CN107056630B - 一种茚满类衍生物及其合成方法和在医药上的用途 - Google Patents
一种茚满类衍生物及其合成方法和在医药上的用途 Download PDFInfo
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- CN107056630B CN107056630B CN201710058304.7A CN201710058304A CN107056630B CN 107056630 B CN107056630 B CN 107056630B CN 201710058304 A CN201710058304 A CN 201710058304A CN 107056630 B CN107056630 B CN 107056630B
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/54—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C217/74—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with rings other than six-membered aromatic rings being part of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/16—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
- C07C233/24—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring
- C07C233/25—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/64—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings
- C07C233/67—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
- C07C233/75—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C235/16—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/23—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
- C07C323/31—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
- C07C323/38—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system
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Abstract
本发明公开了一种茚满类衍生物及其合成方法和在医药上的用途,其结构通式为:
Description
技术领域
本发明涉及药物合成技术领域,具体涉及一类新型茚满类衍生物及其合成方法以及作为MAO-B抑制剂的药物用途。
背景技术
帕金森病(Parkinson’s disease,PD)是一种常见的神经系统变性疾病,在老人病中发病率居第二。我国65岁以上人群PD患病率大约是1.7%。医药经济报显示:自2007年以来我国治疗PD的药物销售额一直稳步增长,2009年抗PD药物销售额达到7.62亿元。2015年4月11日(世界帕金森日),国际帕金森运动障碍协会的统计数据显示:中国约有200万PD和运动障碍疾病患者,占世界总数近一半。目前,市场上没有药物能治愈PD,只能缓解。一些药物存在安全性问题和药效问题,迫切需要一个安全、高效、高选择性的药物。多巴胺(dopamine,DA)是去甲基肾上腺素(Noradrenaline,NA)的前体物质,是下丘脑和脑垂体腺中的一种关键神经递质,由多巴胺能神经元合成。研究发现DA对躯体运动有非常重要的调节作用,多巴胺不足会令人失去控制肌肉的能力,严重会令病人的手脚不自主地震颤或导致PD。PD突出的病理改变是中脑黑质多巴胺能神经元的变性死亡,纹状体DA含量显著减少而致病。
单胺氧化酶(monoamine oxidase,MAO),是一种黄素蛋白酶,存在于许多组织的细胞线粒体外膜上,催化单胺的氧化脱氢作用。MAO分为两种亚型,单胺氧化酶A(MAO-A)和单胺氧化酶B(MAO-B)。DA容易被MAO-B诱导生成过氧化氢(H2O2)和其他的活性氧物质,导致氧化应激升高破坏黑胶质中的多巴胺神经元细胞,导致DA减少。MAO-B抑制剂通过抗氧化应激、减少多巴胺能神经元细胞凋亡以及减少DA的氧化来治疗PD。MAO-B的表达水平随着年龄的增长提高,作为一个药物帕金森药物研发的靶点,有着广阔的开发前景。
截止目前,已公开报道了许多MAO-B抑制活性的小分子,例如第一代MAO-B抑制剂司来吉兰(selegiline),第二代MAO-B抑制剂雷沙吉兰(rasagiline)以及2015年欧洲上市的沙芬酰胺(safinamide)。虽然有若干的MAO-B抑制剂被公开,但是目前其应用还受到药代、药动等方面的限制,并未有长效的药物,因此迫切需要开发高效、低毒、药代动力学等性质得到改善的MAO-B抑制剂。
发明内容
为了克服现有技术的不足之处,本发明所要解决的问题在于提供一种对MAO-B具有良好抑制活性和高选择性的茚满类衍生物及其合成方法和用途。
本发明解决技术问题,采用如下技术方案:
一种茚满类衍生物,如式(1)所示:
R2为-H、-F、-Cl、-Br、-I、-CF3、-CH3、-CH2CH3、-CH(CH3)2、-Ph、-NH-CO-R3或-CO-NH-R4。
R5为-H、-CH3或-Cl;R6为-H、-CH3、-Cl、-Br、-OH或-CH2-OH。
本发明茚满类衍生物的合成方法,如下式所示:
其是首先采用偶联反应、光延反应合成茚酮的衍生物,再经亚胺合成以及还原胺化反应得到目标化合物;
所述亚胺合成是将茚酮的衍生物溶解在溶剂中,加入酸催化后再加入炔丙胺,反应后再加入醋酸钠,继续反应合成亚胺中间体;所述还原胺化反应是加入还原剂将亚胺中间体还原成仲胺,然后加入氯化氢甲醇溶液使产物析出,即为目标化合物;
所用酸催化剂选自对苯甲磺酸,醋酸,氯化氢甲醇溶液;
所用溶剂选自二氯甲烷、甲苯、四氢呋喃、甲醇等溶剂;
亚胺合成以及还原胺化的反应温度控制在10℃-40℃,优选20℃-30℃;亚胺合成反应时间优选10~15小时,还原胺化时间优选3~6小时。炔丙胺现用现蒸,二氯甲烷经过除水处理,氯化氢甲醇溶液(甲醇(氯化氢))质量分数在10%-20%。
本发明所得茚满类衍生物可用于作为MAO-B抑制剂。
本发明的有益效果体现在:本发明提供了一类新的茚满类衍生物,其对MAO-B具有良好抑制活性和高选择性。
具体实施方式
以下结合实施例对本发明作进一步说明。
下述实施例中化合物的结构通过核磁共振(NMR)或质谱(MS)来确定。NMR位移以百万分之一(ppm)的单位给出。NMR的测定是用美国安捷伦公司VNMRS600核磁仪,测定溶剂为氘代氯仿(CDCl3)、氘代二甲亚砜、氘代丙酮,内标为四甲基硅烷(TMS)。MS的测定用ACQUITYUPLC LCT Premier XE(ESI)质谱仪。
薄层层析硅胶板使用青岛GF254硅胶板,规格是0.15mm-0.2mm,薄层层析分离纯化产品采用的规格是0.4mm-0.5mm。柱层析分离一般采用200-300目硅胶为载体。
下述实施例的起始原料均从市场购买。
下述实施例中,如无特殊说明,反应的温度为室温、反应溶剂为二氯甲烷。
实施例1、4-(2-苯氧乙氧基)-N-炔丙基-1-氨基茚满
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(2-苯氧乙氧基)-1-茚酮
取4-羟基-1-茚酮1a(5g,33.78mmol)溶解到70mL乙腈中,加入碳酸钾(8g,57.9mmol)滴加苯氧乙基溴(8g,40mmol),85℃搅拌反应4h,反应完全后,反应液冷却至室温,抽滤,减压浓缩滤液,得黑色油状物,再加入100mL乙酸乙酯溶解,旋干拌样,柱层析色谱法(石油醚:乙酸乙酯=10:1)分离提纯得到中间产物1b(6.39g,23.85mmol,白色固体,收率70.6%),直接投入下一步。
1H NMR(600MHz,cdcl3)δ7.38(d,J=7.5Hz,1H),7.34(t,J=7.8Hz,1H),7.31(t,J=7.9Hz,2H),7.09(d,J=7.7Hz,1H),7.00(d,J=7.1Hz,1H),6.97(d,J=8.2Hz,2H),4.44–4.41(m,2H),4.39(dd,J=5.4,3.5Hz,2H),3.06–3.01(m,2H),2.69–2.65(m,2H).
第二步、4-(2-苯氧乙氧基)-N-炔丙基-1-氨基茚满
取中间产物1b(5g,22mmol)和醋酸(1mL)溶于二氯甲烷中,加入炔丙胺(1.4mL,24mmol)反应3h后加入乙酸钠(2g,25mmol)反应11h,将反应液抽滤。在滤液里加入乙酸钠(0.6g,10mmol),冰浴下,将三乙酰氧基硼氢化钠(5.2g,25mmol)分批次加入(1040mg×5),25℃反应4h后,抽滤,向滤液中加入氯化氢甲醇溶液(14mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,dmso)δ10.13(s,2H),7.45–7.13(m,4H),6.99(dd,J=47.1,15.4Hz,4H),4.76(s,1H),4.32(d,J=15.3Hz,4H),3.84(dd,J=38.6,15.8Hz,2H),3.69(d,J=17.7Hz,1H),2.99(s,1H),2.73(s,1H),2.36(s,1H),2.23(s,1H).
实施例2、4-氯-N-(3-2-(1-(炔丙基-1-氨基茚满)-4基氧)-乙氧苯基)-苯酰胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-氯-N-(3-(3-羟基)-乙氧苯基)苯酰胺
取化合物对氯苯甲酸(586mg,3.76mmol)、三乙胺(578mL,4.18mmol)和HBTU(1580mg,4.18mmol)溶解于二氯甲烷中,搅拌15min后加入3-氨基苯乙醇2a(286mg,2.09mmol),25℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=3:1)分离提纯得到中间产物2b(282.5mg,0.099mmol,白色固体,收率49.6%)。
1H NMR(600MHz,cdcl3)δ7.83(s,1H),7.80(d,J=8.4Hz,2H),7.54(s,1H),7.46(t,J=10.2Hz,1H),7.31(t,J=7.8Hz,3H),7.03(d,J=7.6Hz,1H),3.88(t,J=6.5Hz,2H),2.87(t,J=6.5Hz,2H).
第二步、4-氯-N-(3-(2-(1-酮-2,3-二氢-1H-茚满)-4-基氧)-乙氧苯基)苯酰胺
取化合物2b(555mg,2.09mmol)、三苯基磷(976mg,3.76mmol)和4-羟基1-茚酮(556mg,3.76mmol)溶解于无水四氢呋喃中,分批加入偶氮二甲酸二叔丁酯(864mg,3.76mmol),25℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=5:1)分离提纯得到中间产物2c(546mg,1.35mmol,白色固体,收率60%)。
1H NMR(600MHz,cdcl3)δ7.81(d,J=8.3Hz,1H),7.74(s,1H),7.47(d,J=8.2Hz,1H),7.39(d,J=8.0Hz,1H),7.31(dt,J=15.6,7.7Hz,1H),7.12(d,J=7.5Hz,1H),7.00(d,J=7.6Hz,1H),4.28(t,J=6.7Hz,1H),3.16(t,J=6.7Hz,1H),3.06–2.96(m,1H),2.68–2.61(m,1H).
第三步、4-氯-N-(3-2-(1-(炔丙基-1-氨基茚满)-4基氧)-乙氧苯基)-苯酰胺
取化合物2c(1g,2.48mmol)和醋酸(0.25mL)溶于二氯甲烷中,加入炔丙胺(0.45mL,2.5mmol)反应13h,反应结束后将反应液抽滤,向滤液加入乙酸钠(0.9g,15mmol),和三乙酰氧基硼氢化钠(496g,2.48mmol),搅拌反应3h后,抽滤,向滤液中加入甲醇(氯化氢)(4mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,dmso)δ9.85(s,2H),7.98(d,J=8.3Hz,2H),7.75(s,1H),7.59(t,J=10.2Hz,3H),7.29–7.21(m,3H),7.06(d,J=7.5Hz,1H),7.02–6.95(m,1H),4.75(s,2H),4.21(t,J=6.4Hz,4H),3.71(s,1H),2.98–2.91(m,2H),2.77–2.68(m,1H),2.36(dd,J=14.2,6.9Hz,1H),2.23–2.13(m,1H).
实施例3、4-2-(萘基-1-基氧)-乙氧基-N-炔丙基1-氨基茚满
本实施例目标产物的结构式如下:
合成路线如下:
第一步、取化合物溴萘(2mL,20.9mmol)、无水氯化酮(100mg,0.75mmol)和碳酸钾(3588mg,26mmol)溶解于乙二醇(40mL)中,100℃反应12小时,反应结束后冷却至室温,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=5:1)分离提纯得到中间产物3a(950mg,12mmol,浅黄色液体,收率60%)。
1H NMR(600MHz,cdcl3)δ8.39(t,J=8.2Hz,1H),7.86(dd,J=15.6,8.6Hz,1H),7.53(ddd,J=11.1,10.0,5.6Hz,3H),7.40(t,J=7.9Hz,1H),6.75(d,J=7.6Hz,1H),4.17–4.13(m,2H),4.08–4.04(m,2H),3.25(s,1H).
第二步、取化合物3a(600mg,7.5mmol)、三苯基磷(2360mg,9mmol)和4-羟基1-茚酮(1332mg,9mmol)溶解于无水四氢呋喃中,分批加入偶氮二甲酸二叔丁酯(2070mg,9mmol),25℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=8:1)分离提纯得到中间产物3b(1025mg,3.8mmol,白色固体,收率49.6%)。
1H NMR(600MHz,cdcl3)δ8.21(d,J=8.4Hz,1H),7.81(d,J=8.1Hz,1H),7.46(ddd,J=22.5,15.2,7.1Hz,3H),7.41–7.34(m,3H),7.16(d,J=7.2Hz,1H),6.90(d,J=7.6Hz,1H),4.57(s,4H),3.15–2.84(m,2H),2.73–2.52(m,2H).
第三步、取化合物3b(2g,6.67mmol)和醋酸(0.3mL)溶于二氯甲烷中,加入炔丙胺(0.8mL,8mmol)和乙酸钠(0.9g,15mmol)反应13h,反应结束后将反应液抽滤,向滤液加入三乙酰氧基硼氢化钠(1.65g,8mmol),搅拌反应3.5h后,抽滤,向滤液中加入甲醇(氯化氢)(6mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,dmso)δ10.24(s,2H),7.93(dd,J=16.8,8.2Hz,1H),7.93–7.86(m,3H),7.55(d,J=8.4Hz,1H),7.53–7.44(m,2H),7.36–7.27(m,1H),7.25–7.16(m,1H),7.07(d,J=8.1Hz,1H),4.77(dd,J=7.5,4.3Hz,1H),4.57(s,4H),3.91–3.81(m,2H),3.72(d,J=0.7Hz,1H),3.14–3.07(m,1H),2.91–2.77(m,1H),2.39(td,J=14.5,7.9Hz,1H),2.31–2.23(m,1H).
实施例4、4-苄氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-苄氧基-2,3-二氢-1H-茚满-1-酮
取化合物4-羟基1-茚酮(1g,6.75mmol)、溴化苄(1.18g,7.42mmol)和碳酸钾(1.2g,8mmol)溶解于丙酮中,85℃反应5h,反应结束后冷却至室温,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=12:1)分离提纯得到中间产物4a(1.2g,5.4mmol,白色固体,收率80%)。
1H NMR(600MHz,dmso)δ7.47(d,J=7.5Hz,2H),7.38(dd,J=14.0,6.4Hz,2H),7.35(d,J=7.6Hz,1H),7.32(t,J=7.4Hz,1H),7.29(d,J=7.9Hz,1H),7.20(d,J=7.5Hz,1H),5.22(s,2H),3.07–2.90(m,2H),2.66–2.54(m,2H).
第二步、4-苄氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
取化合物4a(0.95g,4mmol)和醋酸(0.2mL)溶于二氯甲烷中,加入炔丙胺(0.35mL,3.1mmol),反应2h后,加入乙酸钠(0.6g,10mmol)反应12h。将反应液抽滤,在滤液里加入乙酸钠(0.2g,3.3mmol),冰浴下,将三乙酰氧基硼氢化钠(1g,3mmol)分批次加入(200mg×5),25℃反应4h后,抽滤,向滤液中加入甲醇(氯化氢)(10mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,dmso)δ8.73(s,2H),7.44(d,J=7.4Hz,2H),7.41–7.34(m,3H),7.32(t,J=7.3Hz,1H),7.26–7.18(m,1H),7.04(d,J=8.1Hz,1H),5.15(s,2H),4.78(dd,J=7.7,4.3Hz,1H),3.92–3.79(m,2H),3.74(t,J=2.4Hz,1H),3.12–3.01(m,1H),2.84–2.75(m,1H),2.40(td,J=14.2,8.3Hz,1H),2.27(dq,J=8.7,4.6Hz,1H).
实施例5、4-((4-甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((4-甲基苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成4-甲基苄溴,其他条件不变。
1H NMR(600MHz,dmso)δ7.25(d,J=7.3Hz,3H),7.18(dd,J=16.9,9.2Hz,1H),7.06(d,J=7.5Hz,2H),7.01(d,J=8.0Hz,1H),5.07(s,2H),3.07–2.68(m,2H),2.70–2.52(m,2H).
第二步、4-((4-甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物5a,其他条件不变。
1H NMR(600MHz,dmso)δ10.09(s,2H),7.30(d,J=7.4Hz,3H),7.21(dd,J=16.9,9.2Hz,1H),7.16(d,J=7.5Hz,2H),7.01(d,J=8.0Hz,1H),5.07(s,2H),4.76(s,1H),3.84(dd,J=38.9,16.5Hz,2H),3.69(d,J=26.3Hz,1H),3.06–2.97(m,1H),2.76(dd,J=14.9,6.3Hz,1H),2.27(s,3H),2.25–2.19(m,1H).
实施例6、4-((3-氯苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((3-氯苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成3-氯苄溴,其他条件不变。
1H NMR(600MHz,dmso)δ7.52(s,1H),7.44–7.31(m,4H),7.26(d,J=7.9Hz,1H),7.21(t,J=10.7Hz,1H),5.23(s,2H),3.07–2.68(m,2H),2.70–2.52(m,2H).
第二步、4-((3-氯苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物6a,其他条件不变。
1H NMR(600MHz,dmso)δ10.00(d,J=140.2Hz,2H),7.48(s,1H),7.44–7.21(m,5H),7.01(dd,J=7.8,3.7Hz,1H),5.16(d,J=2.0Hz,2H),4.78(dd,J=7.4,4.2Hz,1H),3.95–3.77(m,2H),3.71(t,J=2.5Hz,1H),3.05(dd,J=15.8,7.1Hz,1H),2.87–2.73(m,1H),2.44–2.34(m,1H),2.24(s,1H).
实施例7、4-((3-氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((3-氟苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成3-氟苄溴,其他条件不变。
1H NMR(600MHz,dmso)δ7.52(s,1H),7.44–7.31(m,4H),7.26(d,J=7.9Hz,1H),7.21(t,J=10.7Hz,1H),5.23(s,2H),3.07–2.68(m,2H),2.70–2.52(m,2H).
第二步、4-((3-氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物7a,其他条件不变。
1H NMR(600MHz,dmso)δ9.99(s,2H),7.47–7.37(m,1H),7.32–7.21(m,4H),7.13(td,J=8.8,2.4Hz,1H),7.01(d,J=8.0Hz,1H),5.17(s,2H),4.78(dd,J=7.6,4.2Hz,1H),3.87(q,J=16.6Hz,2H),3.75–3.66(m,1H),3.13–2.93(m,1H),2.88–2.76(m,1H),2.41(td,J=14.6,7.9Hz,1H),2.28–2.14(m,1H).
实施例8、4-((3,4-二氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((3,4-二氟苄基)氧基))-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成3,4-二氟苄溴,其他条件不变。
1H NMR(600MHz,dmso)δ7.52–7.41(m,2H),7.29(dd,J=6.8,2.4Hz,2H),7.24(t,J=7.8Hz,1H),7.01(d,J=8.0Hz,1H),5.13(s,2H),3.07–2.68(m,2H),2.70–2.52(m,2H).
第二步、4-((3,4-二氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物8a,其他条件不变。
1H NMR(600MHz,dmso)δ9.94(s,2H),7.52–7.41(m,2H),7.29(dd,J=6.8,2.4Hz,2H),7.24(t,J=7.8Hz,1H),7.01(d,J=8.0Hz,1H),5.13(s,2H),4.77(s,1H),3.88(q,J=16.6Hz,2H),3.72(s,1H),3.09–2.96(m,1H),2.81(ddd,J=16.2,8.8,4.8Hz,1H),2.40(td,J=14.2,8.4Hz,1H),2.29–2.17(m,1H).
实施例9、4-(萘-2-基甲氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(萘-2-基甲氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成2-溴甲基萘,其他条件不变。
1H NMR(600MHz,dmso)δ7.93(dd,J=16.8,8.2Hz,1H),7.93–7.86(m,3H),7.55(d,J=8.4Hz,1H),7.53–7.44(m,2H),7.36–7.27(m,1H),7.25–7.16(m,1H),7.07(d,J=8.1Hz,1H),5.23(s,2H),3.07–2.68(m,2H),2.70–2.52(m,2H).
第二步、4-(萘-2-基甲氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物9a,其他条件不变。
1H NMR(600MHz,dmso)δ10.24(s,2H),7.93(dd,J=16.8,8.2Hz,1H),7.93–7.86(m,3H),7.55(d,J=8.4Hz,1H),7.53–7.44(m,2H),7.36–7.27(m,1H),7.25–7.16(m,1H),7.07(d,J=8.1Hz,1H),5.29(s,2H),4.77(dd,J=7.5,4.3Hz,1H),3.91–3.81(m,2H),3.72(d,J=0.7Hz,1H),3.14–3.07(m,1H),2.91–2.77(m,1H),2.39(td,J=14.5,7.9Hz,1H),2.31–2.23(m,1H).
实施例10、4-((4-氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((4-氟苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成4-氟苄溴,其他条件不变。
1H NMR(600MHz,dmso)δ7.41(d,J=7.4Hz,2H),7.38–7.31(m,3H),7.29(t,J=7.3Hz,1H),7.21(t,J=7.8Hz,1H),7.01(d,J=8.1Hz,1H),5.12(s,2H),3.14–3.07(m,2H),2.73–2.65(m,2H).
第二步、4-((4-氟苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物10a,其他条件不变。
1H NMR(600MHz,dmso)δ9.21–8.04(m,2H),7.41(d,J=7.4Hz,2H),7.38–7.31(m,3H),7.29(t,J=7.3Hz,1H),7.21(t,J=7.8Hz,1H),7.01(d,J=8.1Hz,1H),5.12(s,2H),4.75(dd,J=7.7,4.3Hz,1H),3.81(tt,J=23.4,4.3Hz,2H),3.71(t,J=2.4Hz,1H),3.08–2.99(m,1H),2.82–2.71(m,1H),2.37(td,J=14.2,8.3Hz,1H),2.24(dq,J=8.7,4.6Hz,1H).
实施例11、4-((4-三氟甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((4-三氟甲基苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴换成4-三氟甲基苄溴,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.66(d,J=8.1Hz,2H),7.57(d,J=8.0Hz,2H),7.38(d,J=7.6Hz,1H),7.32(t,J=7.7Hz,1H),7.05(d,J=7.8Hz,1H),5.22(s,2H),3.14–3.07(m,2H),2.73–2.65(m,2H).
第二步、4-((4-三氟甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物11a,其他条件不变。
1H NMR(600MHz,dmso)δ8.76(s,2H),7.50–7.43(m,2H),7.32(d,J=7.6Hz,1H),7.27–7.12(m,3H),7.01(d,J=8.1Hz,1H),5.15–4.96(m,2H),4.75(dd,J=7.7,4.4Hz,1H),3.88–3.73(m,2H),3.67(d,J=2.3Hz,1H),3.09–2.95(m,1H),2.76(ddd,J=13.5,8.4,4.6Hz,1H),2.37(td,J=14.3,7.6Hz,1H),2.29–2.17(m,1H).
实施例12、4-((3-溴苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((3-溴苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴(1.18g,7.42mmol)换成3-溴苄溴(1.28g,7.42mmol),其他条件不变。
1H NMR(600MHz,dmso)δ7.66(s,1H),7.50(d,J=7.9Hz,1H),7.46(d,J=7.6Hz,1H),7.34(ddd,J=7.7,5.2,2.8Hz,2H),7.25(dd,J=7.9,2.6Hz,1H),7.20(d,J=7.5Hz,1H),5.21(d,J=3.2Hz,2H),2.97(d,J=5.1Hz,2H),2.62–2.55(m,2H).
第二步、4-((3-溴苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物12a,其他条件不变。
1H NMR(600MHz,dmso)δ10.07(s,2H),7.62(s,1H),7.50(d,J=7.9Hz,1H),7.43(d,J=7.6Hz,1H),7.36–7.29(m,2H),7.22(dd,J=23.1,15.3Hz,1H),7.00(d,J=8.1Hz,1H),5.15(s,J=13.3Hz,2H),4.77(dd,J=7.4,4.3Hz,1H),3.85(dd,J=37.7,16.7Hz,2H),3.74(d,J=25.1Hz,1H),3.13–2.90(m,1H),2.86–2.69(m,1H),2.39(td,J=14.4,8.2Hz,1H),2.29–2.19(m,1H).
实施例13、4-((3-甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-((3-甲基苄基)氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例4,将苄溴(1.18g,7.42mmol)换成3-甲基苄溴(1.28g,7.42mmol),其他条件不变。
1H NMR(600MHz,dmso)δ7.66(s,1H),7.50(d,J=7.9Hz,1H),7.46(d,J=7.6Hz,1H),7.34(ddd,J=7.7,5.2,2.8Hz,2H),7.25(dd,J=7.9,2.6Hz,1H),7.20(d,J=7.5Hz,1H),5.21(d,J=3.2Hz,2H),2.97(d,J=5.1Hz,2H),2.62–2.55(m,2H),2.1(s,3H).
第二步、4-((3-甲基苄基)氧基)-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成化合物13a,其他条件不变。
1H NMR(600MHz,dmso)δ8.73(s,2H),7.44(d,J=7.4Hz,2H),7.41–7.34(m,3H),7.32(t,J=7.3Hz,1H),7.26–7.18(m,1H),7.04(d,J=8.1Hz,1H),5.15(s,2H),4.78(dd,J=7.7,4.3Hz,1H),3.92–3.79(m,2H),3.74(t,J=2.4Hz,1H),3.12–3.01(m,1H),2.84–2.75(m,1H),2.40(td,J=14.2,8.3Hz,1H),2.27(dq,J=8.7,4.6Hz,1H).
实施例14、4-苯乙氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-苯乙氧基-2,3-二氢-1H-茚满-1-酮
取化合物4-羟基-1-茚酮(1g,6.75mmol)、苯乙醇(893.8mg,8.78mmol)和三苯基磷(2.28g,8.78mmol)溶解于四氢呋喃中,再加入偶氮二甲酸二叔丁酯(2.02g,8.78mmol),30℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=8:1)分离提纯得到中间产物14a(1.02g,4.44mmol,白色固体,收率65.8%)。
1H NMR(600MHz,cdcl3)δ7.32(dq,J=15.3,7.6Hz,6H),7.26(t,J=7.0Hz,1H),7.00(d,J=7.7Hz,1H),7.00(d,J=7.7Hz,1H),4.26(t,J=6.8Hz,2H),3.15(t,J=6.8Hz,2H),3.02(dd,J=14.7,9.2Hz,2H),2.73–2.54(m,2H).
第二步、4-苯乙氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
取化合物14a(1.42g,4.4mmol)和醋酸(0.2mL)溶于二氯甲烷中,加入炔丙胺(0.25mL,4.6mmol),反应1h后,加入乙酸钠(0.6g,10mmol)反应13h。将反应液抽滤,在滤液里加入乙酸钠(0.2g,3.3mmol),冰浴下,将三乙酰氧基硼氢化钠(1g,3mmol)分批次加入(200mg×5),25℃反应4h后,抽滤,向滤液中加入甲醇(氯化氢)(6mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,dmso)δ10.08(d,J=50.4Hz,2H),7.34–7.24(m,5H),7.20(ddd,J=9.9,8.3,4.9Hz,2H),6.96(dd,J=8.0,3.5Hz,1H),4.74(dd,J=7.5,4.1Hz,1H),4.18(t,J=6.6Hz,2H),3.91–3.75(m,2H),3.74–3.65(m,1H),3.00(t,J=6.6Hz,2H),2.98–2.90(m,1H),2.69(ddd,J=13.8,8.6,4.5Hz,1H),2.41–2.27(m,1H),2.21(ddd,J=18.2,8.5,4.4Hz,1H).
实施例15、4-(3-氯苯乙基)氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3-氯苯乙基)氧基-2,3-二氢-1H-茚满-1-酮
参照实施例14,将苯乙醇换成3-氯苯乙醇,其他条件不变。
1H NMR(600MHz,dmso)δ7.41(s,1H),7.36–7.22(m,5H),7.17(d,J=7.5Hz,1H),4.27(t,J=6.5Hz,1H),3.06(t,J=6.5Hz,1H),2.87–2.80(m,1H),2.61–2.52(m,1H).
第二步、4-(3-氯苯乙基)氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例14,将14a换成15a,其他条件不变。
1H NMR(600MHz,dmso)δ10.08(d,J=4.4Hz,2H),7.39(s,1H),7.32(d,J=7.7Hz,1H),7.30(d,J=3.2Hz,1H),7.28(d,J=6.6Hz,1H),7.27–7.25(m,1H),7.24–7.20(m,1H),6.97(t,J=6.9Hz,1H),4.73(d,J=28.8Hz,1H),4.19(t,J=6.5Hz,2H),3.90–3.77(m,2H),3.69(dd,J=7.2,4.8Hz,1H),3.02(t,J=6.4Hz,2H),3.00–2.89(m,1H),2.68(ddd,J=16.2,8.8,4.6Hz,1H),2.37(td,J=14.4,8.3Hz,1H),2.27–2.19(m,1H).
实施例16、4-(4-氯苯乙基)氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(4-氯苯乙基)氧基-2,3-二氢-1H-茚满-1-酮
参照实施例14,将苯乙醇换成4-氯苯乙醇,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(d,J=7.4Hz,1H),7.32–7.27(m,1H),7.23(d,J=8.4Hz,1H),6.98(s,1H),4.22(t,J=6.5Hz,1H),3.11(t,J=6.5Hz,1H),3.03–2.88(m,1H),2.72–2.55(m,1H).
第二步、4-(4-氯苯乙基)氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例14,将14a换成16a,其他条件不变。
1H NMR(600MHz,dmso)δ9.87(s,2H),7.37–7.34(m,2H),7.33(d,J=8.7Hz,2H),7.24(q,J=7.3Hz,2H),7.04–6.92(m,1H),4.75(dd,J=7.6,3.9Hz,1H),4.19(t,J=6.4Hz,2H),3.95–3.81(m,2H),3.71(s,1H),3.01(t,J=6.4Hz,2H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H).
实施例17、N-(3-(2-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、间醋氨酚
将醋酸(0.28mL,4.87mmol)、苯并三氮唑-N,N,N',N'-四甲基脲六氟磷酸盐(HBTU)(2.4g,6.33mmol)、三乙胺(0.88mL,6.33mmol)溶于二氯甲烷中搅拌20min,加入化合物间氨基苯酚(955.8mg,6.33mmol),室温反应12h。反应结束后,浓缩反应液。加入水,用乙酸乙酯萃取,合并有机相,用饱和食盐水洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=2:1)分离提纯得到中间产物(0.64g,3.2mmol,白色固体,收率65.8%)。
1H NMR(600MHz,dmso)δ9.76(s,1H),9.31(d,J=2.0Hz,1H),7.16(d,J=1.7Hz,1H),7.02(t,J=8.0Hz,1H),6.89(d,J=8.0Hz,1H),6.39(d,J=8.0Hz,1H),1.99(s,3H).
第二步、4-(2-羟基乙氧基)-2,3-二氢-1H-茚满-1-酮
取化合物4-羟基1-茚酮(1g,6.75mmol)、2-溴乙醇(1.18g,7.42mmol)和碳酸钾(1.6g,12mmol)溶解于乙腈中,85℃反应7h,反应结束后冷却至室温,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=4:1)分离提纯得到中间产物17b(1.1g,5.4mmol,白色固体,收率80%)。
1H NMR(600MHz,dmso)δ7.37(t,J=7.7Hz,1H),7.24(d,J=6.7Hz,1H),7.20(d,J=7.5Hz,1H),4.90(t,J=5.5Hz,1H),4.11(t,J=4.9Hz,1H),3.76(q,J=5.1Hz,1H),3.00–2.94(m,1H),2.61(dd,J=15.9,10.4Hz,1H).
第三步、N-(3-(2-((1-酮-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
取化合物17a(1.3g,6.75mmol)、17b(1.73g,8.78mmol)和三苯基磷(2.28g,8.78mmol)溶解于四氢呋喃中,反应10min中,加入偶氮二甲酸二叔丁酯(2.02g,8.78mmol),30℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL*2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=4:1)分离提纯得到中间产物17c(1.6g,4.91mmol,白色固体,收率72.8%)。
1H NMR(300MHz,DMSO)δ9.92(s,1H),7.37(dt,J=13.5,7.7Hz,3H),7.21(dd,J=14.5,7.5Hz,2H),7.13–7.03(m,1H),6.68(dd,J=8.0,2.0Hz,1H),4.44(dd,J=5.6,3.0Hz,2H),4.32(dd,J=5.5,3.0Hz,2H),2.99–2.88(m,2H),2.61(dd,J=6.7,4.5Hz,2H),2.03(s,3H).
第四步、N-(3-(2-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
取化合物17c(1g,3mmol)和醋酸(0.15mL)溶于二氯甲烷中,加入炔丙胺(0.21mL,3.6mmol)反应5h,加入乙酸钠(0.49g,6mmol),继续反应10h,反应结束后抽滤,二氯甲烷洗涤滤饼,浓缩滤液,向滤液里加入乙酸钠(0.49g,6mmol),冰浴下分批加入三乙酰氧基硼氢化钠(1g,3mmol),搅拌反应3h后,抽滤,向滤液中加入甲醇(氯化氢)(6mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体。
1H NMR(300MHz,DMSO)δ9.87(s,2H),9.92(s,1H),7.37(dt,J=13.5,7.7Hz,3H),7.21(dd,J=14.5,7.5Hz,2H),7.13–7.03(m,1H),6.68(dd,J=8.0,2.0Hz,1H),4.44(dd,J=5.6,3.0Hz,2H),4.32(dd,J=5.5,3.0Hz,2H),4.19(t,J=6.4Hz,2H),3.95–3.81(m,2H),3.71(s,1H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),2.03(s,3H).
实施例18、2-氯-N-(3-(2-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、3-(2-((1-酮--2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯胺
取化合物17c(4g,12.3mmol)溶于20%盐酸中,95℃回流5h,反应结束后冷却至室温,氢氧化钠水溶液调Ph=8-9,乙酸乙酯萃取(60mL×4),合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=3:1)分离提纯得到中间产物18a(2.23g,7.84mmol,白色固体,收率63.8%)。
1H NMR(300MHz,DMSO)δ7.40(t,J=7.7Hz,1H),7.36–7.27(m,1H),7.23(d,J=7.4Hz,1H),6.91(t,J=8.1Hz,1H),6.29–6.01(m,1H),5.07(s,1H),4.40(dd,J=5.4,3.2Hz,1H),4.25(dd,J=5.3,3.3Hz,1H),3.04–2.88(m,1H),2.61(dd,J=6.7,4.6Hz,1H).
第二步、2-氯-N-(3-(2-((1-酮-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
取18a(2g,7mmol)溶于二氯甲烷中,加入碳酸钾搅拌后,冰浴下缓慢加入氯乙酰氯(0.75mL,10mmol),室温反应6h,反应结束后抽滤,二氯甲烷洗涤滤饼。合并有机相,饱和食盐水洗涤有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=6:1)分离提纯得到中间产物18b(1.91g,5.32mmol,白色固体,收率76%)。
1H NMR(600MHz,cdcl3)δ8.22(s,1H),7.40(t,J=2.2Hz,1H),7.38(d,J=7.2Hz,1H),7.34(t,J=7.7Hz,1H),7.29–7.26(m,1H),7.11–7.06(m,1H),7.02(dd,J=8.0,1.3Hz,1H),6.78(dd,J=8.2,2.1Hz,1H),4.43–4.38(m,4H),4.19(s,2H),3.05–3.02(m,2H),2.68–2.65(m,2H).
第三步、2-氯-N-(3-(2-((1-((丙基-2-炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
取化合物18b(1.3g,3.6mmol)和醋酸(0.1mL)溶于二氯甲烷中,加入炔丙胺(0.25mL,4.6mmol),反应2h后,加入乙酸钠(0.5g,6.3mmol)反应13h。将反应液抽滤,在滤液里加入乙酸钠(0.5g,6.3mmol),冰浴下,将三乙酰氧基硼氢化钠(1g,3mmol)分批次加入(200mg×5),25℃反应4h后,抽滤,向滤液中加入甲醇(氯化氢)(6mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,cdcl3)δ9.87(s,2H),8.22(s,1H),7.40(t,J=2.2Hz,1H),7.38(d,J=7.2Hz,1H),7.34(t,J=7.7Hz,1H),7.29–7.26(m,1H),7.11–7.06(m,1H),7.02(dd,J=8.0,1.3Hz,1H),6.78(dd,J=8.2,2.1Hz,1H),4.43–4.38(m,2H),4.19(m,3H),3.95–3.81(m,2H),3.71(s,1H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(m,1H).
实施例19、4-(3-苯氧基丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3-溴丙氧基)-2,3-二氢-1H-茚满-1-酮
取化合物4-羟基-1-茚酮1a(1g,6.75mmol)、1,3二溴丙烷(2g,11.7mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应8h,反应结束后,反应液抽滤,乙酸乙酯洗涤滤饼,将滤液旋干后加入乙酸乙酯溶解,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=15:1)分离提纯得到中间产物19a(1.08g,4.05mmol),白色固体,收率60%。
1H NMR(400MHz,CDCl3)δ7.35(q,J=7.7Hz,2H),7.05(d,J=7.3Hz,1H),4.21(t,J=5.7Hz,2H),3.64(t,J=6.3Hz,2H),3.11–3.00(m,2H),2.74–2.63(m,2H),2.38(dd,J=12.0,6.0Hz,2H).
第二步、4-(3-苯氧基丙基氧基)-2,3-二氢-1H-茚满-1-酮
取化合物19a(1.8g,6.75mmol)、苯酚(1.5g,8.78mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应5h,反应结束后,反应液抽滤,乙酸乙酯洗涤滤饼,将滤液浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=10:1)分离提纯得到中间产物19b(1.29g,4.38mmol,白色固体,收率65%。
1H NMR(600MHz,cdcl3)δ7.35–7.26(m,3H),7.05(d,J=7.5Hz,2H),6.95(t,J=7.3Hz,1H),6.93–6.89(m,2H),4.26(t,J=6.1Hz,2H),4.19(t,J=6.0Hz,2H),3.05–3.01(m,2H),2.72–2.59(m,2H),2.32(dd,J=12.1,6.1Hz,2H).
第三步、4-(3-苯氧基丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
将19b(0.8g,2.7mmol)和醋酸4滴溶于二氯甲烷(25mL)中,加入炔丙胺(0.25mL,4.6mmol)反应10h。加入乙酸钠(0.3g,5mmol)和三乙酰氧基硼氢化钠(0.8g,2.4mmol),搅拌反应3h后,抽滤,向滤液中加入甲醇(氯化氢)(3mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,DMSO)δ9.87(s,2H),7.35–7.26(m,3H),7.05(d,J=7.5Hz,2H),6.95(t,J=7.3Hz,1H),6.93–6.89(m,2H),4.26(t,J=6.1Hz,2H),4.19(m,3H),3.95–3.81(m,2H),3.71(s,1H),3.05–3.01(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(m,1H).
实施例20、4-(3-萘-1-基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3-萘-1-基氧基)丙基氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例19,将苯酚换成萘酚,其他条件不变。
1H NMR(600MHz,cdcl3)δ8.24(t,J=12.0Hz,1H),7.73(dd,J=80.5,8.2Hz,1H),7.46(ddd,J=11.6,11.1,5.8Hz,3H),7.40–7.29(m,3H),7.06(t,J=12.0Hz,1H),6.83(dd,J=32.0,7.7Hz,1H),4.38(dt,J=10.0,6.0Hz,4H),3.07–2.95(m,2H),2.73–2.62(m,2H),2.48(p,J=6.0Hz,2H).
第二步、4-(3-萘-1-基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将19a换成20a,其他条件不变。
1H NMR(600MHz,DMSO)δ9.87(s,2H),8.24(t,J=12.0Hz,1H),7.73(dd,J=80.5,8.2Hz,1H),7.46(ddd,J=11.6,11.1,5.8Hz,3H),7.40–7.29(m,3H),7.06(t,J=12.0Hz,1H),6.83(dd,J=32.0,7.7Hz,1H),4.38(dt,J=10.0,6.0Hz,4H),4.19(m,1H),3.71(s,1H),3.07–2.95(m,4H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H).
实施例21、4-(3(3-碘苯基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3(3-碘苯基氧基)丙基氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例19,将苯酚换成间碘苯酚,其他条件不变。
1H NMR(400MHz,CDCl3)δ7.39–7.31(m,2H),7.28(dd,J=12.9,4.9Hz,2H),7.04(d,J=7.2Hz,1H),6.99(t,J=8.0Hz,1H),6.88(d,J=8.6Hz,1H),4.24(t,J=6.0Hz,2H),4.16(t,J=6.0Hz,2H),3.08–2.99(m,2H),2.74–2.62(m,2H),2.31(p,J=6.0Hz,2H).
第二步、4-(3(3-碘苯基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将19a换成21a,其他条件不变。
1H NMR(400MHz,DMSO)δ9.87(s,2H),7.39–7.31(m,2H),7.28(dd,J=12.9,4.9Hz,2H),7.04(d,J=7.2Hz,1H),6.99(t,J=8.0Hz,1H),6.88(d,J=8.6Hz,1H),4.24(t,J=6.0Hz,2H),4.19(m,1H),4.16(m,4H),3.71(s,1H),3.08–2.99(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H).
实施例22、4-(3(3,5-二甲基-4氯-苯基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、5-(3-溴丙氧基)-2-氯-1,3-二甲基苯
取化合物3,5-二甲基-4-氯苯酚22a(1.05g,6.75mmol)、1,3二溴丙烷(1.5g,8.78mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应6小时,反应结束后,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=15:1)分离提纯得到中间产物22b(黄色油状物),直接投入下一步。
第二步、4-(3(3,5-二甲基-4氯-苯基氧基)丙基氧基)-2,3-二氢-1H-茚满-1-酮
取化合物22b、4-羟基-1-茚酮(1g,6.75mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应4小时,反应结束后,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=10:1)分离提纯得到中间产物22c(1.6g,5.1mmol,白色固体,收率75.8%)。
1H NMR(300MHz,CDCl3)δ7.37–7.29(m,2H),7.03(dd,J=8.2,6.6Hz,1H),6.65(s,2H),4.24(t,J=6.0Hz,2H),4.14(t,J=6.0Hz,2H),3.08–2.98(m,2H),2.72–2.62(m,2H),2.36–2.23(m,8H).
第三步、4-(3(3,5-二甲基-4氯-苯基氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成22a,其他条件不变。
实施例23、4-(3(4-乙基苯基)氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3(4-乙基苯基)氧基)丙基氧基)-2,3-二氢-1H-茚满-1-酮
参照化合物19a,将原料苯酚换成4-乙基苯酚,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.4Hz,2H),7.11(d,J=8.4Hz,2H),7.08–7.01(m,1H),6.85(d,J=8.5Hz,2H),4.25(t,J=6.0Hz,2H),4.17(t,J=6.0Hz,2H),3.04–2.99(m,2H),2.69–2.65(m,2H),2.59(q,J=7.6Hz,2H),2.31(p,J=6.0Hz,2H),1.20(t,J=7.6Hz,3H).
第二步、4-(3(4-乙基苯基)氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成23a,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.4Hz,2H),7.11(d,J=8.4Hz,2H),7.08–7.01(m,1H),6.85(d,J=8.5Hz,2H),4.25(t,J=6.0Hz,2H),4.18(m,3H),3.85(dd,J=37.7,16.7Hz,2H),3.74(d,J=25.1Hz,1H),3.04–2.99(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.68(m,3H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),1.20(t,J=7.6Hz,3H).
实施例24、4-(3(4-异丙基苯基)氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(3(4-异丙基苯基)氧基))丙基氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例19,将化合物苯酚换成4-异丙基苯酚,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.5Hz,2H),7.15(d,J=8.5Hz,2H),7.05(d,J=7.5Hz,1H),6.86(d,J=8.6Hz,2H),4.25(t,J=6.0Hz,2H),4.17(t,J=6.0Hz,2H),3.07–2.97(m,2H),2.86(hept,J=6.9Hz,1H),2.67(dd,J=6.8,4.7Hz,2H),2.31(p,J=6.0Hz,2H),1.22(d,J=6.9Hz,6H).
第二步、4-(3(4-异丙基苯基)氧基)丙基氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成24a,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.5Hz,2H),7.15(d,J=8.5Hz,2H),7.05(d,J=7.5Hz,1H),6.86(d,J=8.6Hz,2H),4.77(dd,J=7.4,4.3Hz,1H),4.25(t,J=6.0Hz,2H),4.18(m,3H),3.85(dd,J=37.7,16.7Hz,2H),3.74(d,J=25.1Hz,1H),3.07–2.97(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.86(hept,J=6.9Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),1.22(d,J=6.9Hz,6H).
实施例25、2-羟基-N-(3-(2-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、2-羟基N-(3-(2-((1-酮--2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
将羟基乙酸(371mg,4.87mmol)、苯并三氮唑-N,N,N',N'-四甲基脲六氟磷酸盐(HBTU)(2.4g,6.33mmol)、三乙胺(0.88mL,6.33mmol)溶于二氯甲烷(30mL)中搅拌20min,加入化合物18a(1804mg,6.33mmol),室温反应12h。反应结束后,浓缩反应液。加入水,用乙酸乙酯萃取,合并有机相,用饱和食盐水洗涤,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=1:3)分离提纯得到中间产物25a(761mg,2.23mmol,白色固体,收率45.8%)。
1H NMR(600MHz,cdcl3)δ8.22(s,1H),7.40(t,J=2.2Hz,1H),7.38(d,J=7.2Hz,1H),7.34(t,J=7.7Hz,1H),7.29–7.26(m,1H),7.11–7.06(m,1H),7.02(dd,J=8.0,1.3Hz,1H),6.78(dd,J=8.2,2.1Hz,1H),4.43–4.38(m,4H),4.19(s,2H),3.4(m,1H),3.05–3.02(m,2H),2.68–2.65(m,2H).
第二步、2-羟基-N-(3-(2-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)乙氧基)苯基)乙酰胺
将化合物25a(2g,5.8mmol)和醋酸(0.3mL)溶于二氯甲烷(40mL)中,30℃反应3小时,加入炔丙胺(0.41mL,7.6mmol)反应23h,加入乙酸钠(1g,12.2mmol)反应11h。反应结束后将反应液抽滤,二氯甲烷洗涤,合并滤液,将滤液浓缩,加入乙酸钠(0.5g,6.1mmol),分批加入三乙酰氧基硼氢化钠(1.27g,6mmol),搅拌反应5h后,抽滤,向滤液中加入甲醇(氯化氢)(8mL)调pH<2,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(600MHz,cdcl3)δ9.87(s,2H),8.22(s,1H),7.40(t,J=2.2Hz,1H),7.38(d,J=7.2Hz,1H),7.34(t,J=7.7Hz,1H),7.29–7.26(m,1H),7.11–7.06(m,1H),7.02(dd,J=8.0,1.3Hz,1H),6.78(dd,J=8.2,2.1Hz,1H),4.43–4.38(m,2H),4.19(m,3H),3.95–3.81(m,2H),3.71(s,1H),3.4(m,1H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(m,1H).
实施例26、4-苄氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-苄氧基-2,3-二氢-1H-茚满-1-酮
取化合物4-溴-1-茚酮(1g,4.74mmol)、苄硫醇(0.77g,6.11mmol)、Pd2(dba)3(0.522g,0.57mmol)、配体(cas:161265-03-8,0.549g,0.95mmol)和碳酸铯(2.3g,7.1mmol)溶解于1,4-二氧六环(30mL)中,100℃反应13h,反应结束后冷却至室温,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=25:1)分离提纯得到中间产物26a(625mg,2.49mmol,白色固体,收率52.65%)。
1H NMR(600MHz,dmso)δ7.47(d,J=7.5Hz,2H),7.38(dd,J=14.0,6.4Hz,2H),7.35(d,J=7.6Hz,1H),7.32(t,J=7.4Hz,1H),7.29(d,J=7.9Hz,1H),7.20(d,J=7.5Hz,1H),4.3(s,2H),3.07–2.90(m,2H),2.66–2.54(m,2H).
第二步、4-苄氧基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例4,将化合物4a换成16a,其他条件不变。
1H NMR(600MHz,dmso)δ8.73(s,2H),7.44(d,J=7.4Hz,2H),7.41–7.34(m,3H),7.32(t,J=7.3Hz,1H),7.26–7.18(m,1H),7.04(d,J=8.1Hz,1H),4.78(dd,J=7.7,4.3Hz,1H),4.32(s,2H),3.92–3.79(m,2H),3.74(t,J=2.4Hz,1H),3.12–3.01(m,1H),2.84–2.75(m,1H),2.40(td,J=14.2,8.3Hz,1H),2.27(dq,J=8.7,4.6Hz,1H).
实施例27、4-(3(3-碘苯基氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(2-溴乙氧基)-1-茚酮
取化合物4-羟基1-茚酮(3g,20.27mmol)、2-溴乙醇(3.3g,26.35mmol)和三苯基磷(6.84g,26.35mmol)溶解于四氢呋喃中,反应10min中,加入偶氮二甲酸二叔丁酯(6.06g,26.35mmol),30℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=12:1)分离提纯得到中间产物27a(4.16g,16.37mmol,黄色粘稠物,收率80.8%)。
1H NMR(400MHz,CDCl3)δ7.35(q,J=7.7Hz,2H),7.05(d,J=7.3Hz,1H),4.21(t,J=5.7Hz,2H),3.64(t,J=6.3Hz,2H),3.11–3.00(m,2H),2.74–2.63(m,2H).
第二步、4-(2(3-碘苯基氧基)乙氧基)-2,3-二氢-1H-茚满-1-酮
取化合物27a(1.75g,6.75mmol)、间碘苯酚(1.8g,8.78mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=15:1)分离提纯得到中间产物27b(0.99g,4.44mmol,白色固体,收率65.8%)。
1H NMR(400MHz,CDCl3)δ7.39–7.31(m,2H),7.28(dd,J=12.9,4.9Hz,2H),7.04(d,J=7.2Hz,1H),6.99(t,J=8.0Hz,1H),6.88(d,J=8.6Hz,1H),4.24(t,J=6.0Hz,2H),4.16(t,J=6.0Hz,2H),3.08–2.99(m,2H),2.31(p,J=6.0Hz,2H).
第三步、4-(3(3-碘苯基氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成27b,其他条件不变。
1H NMR(400MHz,DMSO)δ9.87(s,2H),7.39–7.31(m,2H),7.28(dd,J=12.9,4.9Hz,2H),7.04(d,J=7.2Hz,1H),6.99(t,J=8.0Hz,1H),6.88(d,J=8.6Hz,1H),4.24(t,J=6.0Hz,2H),4.19(m,1H),4.16(m,4H),3.71(s,1H),2.91(dd,J=37.2,29.0Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H).
实施例28、4-(2(3,5二甲基-4氯-苯基氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、5-(2-乙氧基)-2-氯-1,3-二甲基苯
取化合物3,5-二甲基-4-氯苯酚22a(1.02g,6.75mmol)、1,2二溴乙烷(1.65g,8.78mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应12小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=15:1)分离提纯得到中间产物黄色油状物28a,直接投入下一步。
第二步、4-(3(3,5-二甲基-4氯-苯基氧基)丙基氧基)-2,3-二氢-1H-茚满-1-酮
取化合物28a、4-羟基-1-茚酮(1g,6.75mmol)和碳酸钾(1.28g,8.78mmol)溶解于乙腈中,80℃反应7小时,反应结束后,反应液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=10:1)分离提纯得到中间产物(1.4g,4.44mmol,白色固体,收率65.8%)。
1H NMR(300MHz,CDCl3)δ7.37–7.29(m,2H),7.03(dd,J=8.2,6.6Hz,1H),6.65(s,2H),4.24(t,J=6.0Hz,2H),4.14(t,J=6.0Hz,2H),3.08–2.98(m,2H),2.72–2.62(m,2H),2.36–2.23(m,6H).
第三步、4-(2(3,5-二甲基-4氯-苯基氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成28b,其他条件不变。
1H NMR(300MHz,CDCl3)δ9.87(s,2H),7.37–7.29(m,2H),7.03(dd,J=8.2,6.6Hz,1H),6.65(s,2H),4.24(t,J=6.0Hz,2H),4.19(m,1H),4.13(m,4H),3.71(s,1H),3.08–2.98(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.72–2.62(m,3H),2.38(td,J=14.9,7.8Hz,1H),2.36–2.23(m,7H).
实施例29、4-(2(4-乙基苯基)氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(2(4-乙基苯基)氧基)乙氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例27,将原料间碘苯酚换成4-乙基苯酚,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.4Hz,2H),7.11(d,J=8.4Hz,2H),7.08–7.01(m,1H),6.85(d,J=8.5Hz,2H),4.25(t,J=6.0Hz,2H),4.17(t,J=6.0Hz,2H),3.04–2.99(m,2H),2.69–2.65(m,2H),2.59(q,J=7.6Hz,2H),1.20(t,J=7.6Hz,3H).
第二步、4-(2(4-乙基苯基)氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成29a,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.4Hz,2H),7.11(d,J=8.4Hz,2H),7.08–7.01(m,1H),6.85(d,J=8.5Hz,2H),4.25(t,J=6.0Hz,2H),4.18(m,3H),3.85(dd,J=37.7,16.7Hz,2H),3.74(d,J=25.1Hz,1H),3.04–2.99(m,2H),2.91(dd,J=37.2,29.0Hz,1H),2.68(m,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),1.20(t,J=7.6Hz,3H).
实施例30、4-(2(4-异丙基苯基)氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、4-(2(4-异丙基苯基)氧基))乙氧基)-2,3-二氢-1H-茚满-1-酮
参照实施例27,将原料间碘苯酚换成4-异丙基基苯酚,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.5Hz,2H),7.15(d,J=8.5Hz,2H),7.05(d,J=7.5Hz,1H),6.86(d,J=8.6Hz,2H),4.25(t,J=6.0Hz,2H),4.17(t,J=6.0Hz,2H),3.07–2.97(m,2H),2.86(hept,J=6.9Hz,1H),2.67(dd,J=6.8,4.7Hz,2H),1.22(d,J=6.9Hz,6H).
第二步、4-(2(4-异丙基苯基)氧基)乙氧基)-N-(丙基-2-炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例19,将化合物19a换成30a,其他条件不变。
1H NMR(600MHz,cdcl3)δ7.33(dt,J=15.1,7.5Hz,2H),7.15(d,J=8.5Hz,2H),7.05(d,J=7.5Hz,1H),6.86(d,J=8.6Hz,2H),4.77(dd,J=7.4,4.3Hz,1H),4.25(t,J=6.0Hz,2H),4.18(m,3H),3.85(dd,J=37.7,16.7Hz,2H),3.74(d,J=25.1Hz,1H),2.91(dd,J=37.2,29.0Hz,1H),2.86(hept,J=6.9Hz,1H),2.68(ddd,J=59.7,28.3,24.0Hz,1H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),1.22(d,J=6.9Hz,6H).
实施例31、N-(3-(3-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)丙基氧基)苯基)乙酰胺
本实施例目标产物的结构式如下:
合成路线如下:
第一步、N-(3-(3-溴丙氧基)苯基)乙酰胺
取化合物17a(0.85g,6.75mmol)、1,3二溴乙烷(1.84g,12.78mmol)加入乙腈中,850℃反应6小时,反应结束后,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=12:1)分离提纯得到中间产物,黄色油状物。
第二步、N-(3-(3-((1-酮-2,3-二氢-1H-茚满-4-基)氧基)丙基氧基)苯基)乙酰胺
取化合物31a(1g,6.75mmol)、4-羟基-1-茚酮(1g,6.75mmol)加入乙腈中,850℃反应6小时,反应结束后,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=12:1)分离提纯得到中间产物(1.22g,4.44mmol,白色固体,收率55.8%)。
1H NMR(300MHz,DMSO)δ9.92(s,1H),7.37(dt,J=13.5,7.7Hz,3H),7.21(dd,J=14.5,7.5Hz,2H),7.13–7.03(m,1H),6.68(dd,J=8.0,2.0Hz,1H),4.44(dd,J=5.6,3.0Hz,2H),4.32(dd,J=5.5,3.0Hz,2H),2.99–2.88(m,2H),2.61(dd,J=6.7,4.5Hz,2H),2.61(m,2H),2.03(s,3H).
第三步、N-(3-(3-((1-((丙基-2炔-1-基)胺)-2,3-二氢-1H-茚满-4-基)氧基)丙基氧基)苯基)乙酰胺
将化合物31b(1.3g,4.4mmol)和醋酸(0.2mL)溶于二氯甲烷中,加入炔丙胺(0.25mL,4.6mmol)反应12h-35h。加入乙酸钠(0.3g,5mmol)和三乙酰氧基硼氢化钠(1g,3mmol),搅拌反应10h后,抽滤,向滤液中加入甲醇(氯化氢)(8mL)调pH=2-3,有白色固体析出,将白色固体重结晶,用甲醇溶解,浓缩后加入乙酸乙酯有白色固体析出,抽滤,真空干燥得到白色固体,即为目标产物。
1H NMR(300MHz,DMSO)δ9.87(s,2H),9.92(s,1H),7.37(dt,J=13.5,7.7Hz,3H),7.21(dd,J=14.5,7.5Hz,2H),7.13–7.03(m,1H),6.68(dd,J=8.0,2.0Hz,1H),4.44(dd,J=5.6,3.0Hz,2H),4.32(dd,J=5.5,3.0Hz,2H),4.19(t,J=6.4Hz,2H),3.95–3.81(m,2H),3.71(s,1H),2.91(dd,J=37.2,29.0Hz,1H),2.68(m,3H),2.38(td,J=14.9,7.8Hz,1H),2.19(s,1H),2.03(s,3H).
实施例32、4-苯乙硫基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
本实施例目标产物的结构式如下:
合成路线如下:
具体合成步骤为:
第一步、4-苯乙硫基-2,3-二氢-1H-茚满-1-酮
取化合物4-溴-1-茚酮(1g,4.74mmol)、苯乙硫醇(0.87g,6.11mmol)、Pd2(dba)3(0.522g,0.57mmol)、配体(cas:161265-03-8,0.549g,0.95mmol)和碳酸铯(2.3g,7.1mmol)溶解于1,4-二氧六环(20mL)中,95℃-100℃反应10h-22h,反应结束后冷却至室温,反应液抽滤,滤液减压浓缩,加入蒸馏水,乙酸乙酯萃取(50mL×2),饱和食盐水洗涤,合并有机相,无水硫酸钠干燥,过滤,滤液减压浓缩用柱层析色谱法(石油醚:乙酸乙酯=25:1)分离提纯得到中间产物(503mg,1.87mmol,白色固体,收率39.65%)。
1H NMR(600MHz,cdcl3)δ7.32(dq,J=15.3,7.6Hz,6H),7.26(t,J=7.0Hz,1H),7.00(d,J=7.7Hz,1H),7.00(d,J=7.7Hz,1H),4.26(t,J=6.8Hz,2H),3.15(t,J=6.8Hz,2H),3.02(dd,J=14.7,9.2Hz,2H),2.73–2.54(m,2H).
第二步、4-苯乙硫基-N-(丙基-2炔-1-基)-2,3-二氢-1H-茚满-1-胺
参照实施例14,将化合物14a换成32a,其他条件不变。
1H NMR(600MHz,dmso)δ10.08(d,J=50.4Hz,2H),7.34–7.24(m,5H),7.20(ddd,J=9.9,8.3,4.9Hz,2H),6.96(dd,J=8.0,3.5Hz,1H),4.74(dd,J=7.5,4.1Hz,1H),4.18(t,J=6.6Hz,2H),3.91–3.75(m,2H),3.74–3.65(m,1H),3.00(t,J=6.6Hz,2H),2.98–2.90(m,1H),2.69(ddd,J=13.8,8.6,4.5Hz,1H),2.41–2.27(m,1H),2.21(ddd,J=18.2,8.5,4.4Hz,1H).
对上述实施例所得化合物对MAO-B的抑制活性按如下方法进行测定:
以苄胺为MAO-B的底物,将100mmol/L磷酸钾缓冲液(pH 7.6)、MAO抑制药物和MAO75μL,于37℃孵育20min后,加入底物苄胺100μL,使总体积800μL的MAO和苄胺终浓度分别为0.15mg/mL和2mmol/L,反应60min,加入200μL 10%HClO4终止反应,然后再加3mL环己烷,旋涡2min,提取产物苯甲醛,离心5min,242nm波长下测定其A值。每个MAO抑制药物选取1.00×10-5mmol/L、3.33×10-6mmol/L、1.11×10-6mmol/L、3.70×10-7mmol/L、1.23×10- 7mmol/L、4.12×10-8mmol/L、1.37×10-8mmol/L、4.57×10-9mmol/L、1.52×10-9mmol/L、5.08×10-10mmol/L 10组梯度浓度进行测试。
空白对照在加入MAO后,立即加入10%HClO4 200μL灭活,其余操作相同。
各实施例样品及阳性对照物雷沙吉兰、司来吉兰和氯吉兰的测试见表1。可以看出本发明化合物测得的IC50值在10~2000nM之间,大部分处于30~400nM之间,部分化合物对MAO-B的抑制活性超越了阳性对照物雷沙吉兰、司来吉兰和氯吉兰,它们的MAO家族内部的选择性分别得到了大幅度的提高。
表1
**表示IC50测试值>100μM。
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| US11426412B2 (en) | 2017-10-18 | 2022-08-30 | Jubilant Epipad LLC | Imidazo-pyridine compounds as PAD inhibitors |
| US11459338B2 (en) | 2017-11-24 | 2022-10-04 | Jubilant Episcribe Llc | Heterocyclic compounds as PRMT5 inhibitors |
| US11529341B2 (en) | 2018-03-13 | 2022-12-20 | Jubilant Prodel LLC | Bicyclic compounds as inhibitors of PD1/PD-L1 interaction/activation |
| US11629135B2 (en) | 2017-11-06 | 2023-04-18 | Jubilant Prodell Llc | Pyrimidine derivatives as inhibitors of PD1/PD-L1 activation |
| US11833156B2 (en) | 2017-09-22 | 2023-12-05 | Jubilant Epipad LLC | Heterocyclic compounds as pad inhibitors |
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| CN110776429B (zh) * | 2018-07-30 | 2022-12-02 | 齐鲁制药有限公司 | 一种雷沙吉兰消旋中间体的改进制备方法 |
| CN109966276A (zh) * | 2019-02-28 | 2019-07-05 | 合肥工业大学 | 茚满类化合物在预防和/或治疗与单胺氧化酶a相关疾病的药物中的应用 |
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| CN101121702A (zh) * | 2007-07-30 | 2008-02-13 | 浙江大学 | 含烷胺基侧链的苯氧茚酮类衍生物及制备方法和用途 |
| CN105884626A (zh) * | 2016-05-04 | 2016-08-24 | 龙曦宁(上海)医药科技有限公司 | 一种2-氨基茚满衍生物的合成方法及其产品 |
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| NZ564130A (en) * | 2005-06-02 | 2009-12-24 | Jenrin Discovery | N-propargyl-1-aminoindan compounds useful for treating obesity |
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| CN105884626A (zh) * | 2016-05-04 | 2016-08-24 | 龙曦宁(上海)医药科技有限公司 | 一种2-氨基茚满衍生物的合成方法及其产品 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11833156B2 (en) | 2017-09-22 | 2023-12-05 | Jubilant Epipad LLC | Heterocyclic compounds as pad inhibitors |
| US12357639B2 (en) | 2017-09-22 | 2025-07-15 | Jubilant Epipad LLC | Heterocyclic compounds as pad inhibitors |
| US11426412B2 (en) | 2017-10-18 | 2022-08-30 | Jubilant Epipad LLC | Imidazo-pyridine compounds as PAD inhibitors |
| US11629135B2 (en) | 2017-11-06 | 2023-04-18 | Jubilant Prodell Llc | Pyrimidine derivatives as inhibitors of PD1/PD-L1 activation |
| US11459338B2 (en) | 2017-11-24 | 2022-10-04 | Jubilant Episcribe Llc | Heterocyclic compounds as PRMT5 inhibitors |
| US11529341B2 (en) | 2018-03-13 | 2022-12-20 | Jubilant Prodel LLC | Bicyclic compounds as inhibitors of PD1/PD-L1 interaction/activation |
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