CN107935812A - 钌催化烷基芳酮与二苯乙炔反应制备多芳取代萘衍生物的方法 - Google Patents
钌催化烷基芳酮与二苯乙炔反应制备多芳取代萘衍生物的方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 11
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 title claims abstract description 5
- 229910052707 ruthenium Inorganic materials 0.000 title claims abstract description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 title claims description 10
- 238000006467 substitution reaction Methods 0.000 title claims description 5
- 150000001608 tolans Chemical class 0.000 title claims 4
- 125000000217 alkyl group Chemical group 0.000 title claims 2
- 150000008365 aromatic ketones Chemical class 0.000 claims abstract description 19
- 150000002790 naphthalenes Chemical class 0.000 claims abstract description 19
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 62
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 22
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
- 238000004440 column chromatography Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 239000003495 polar organic solvent Substances 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 229910013594 LiOAc Inorganic materials 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 2
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 claims 4
- UEXCJVNBTNXOEH-UHFFFAOYSA-N Ethynylbenzene Chemical group C#CC1=CC=CC=C1 UEXCJVNBTNXOEH-UHFFFAOYSA-N 0.000 claims 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical class ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 229910000024 caesium carbonate Inorganic materials 0.000 claims 1
- DHCWLIOIJZJFJE-UHFFFAOYSA-L dichlororuthenium Chemical compound Cl[Ru]Cl DHCWLIOIJZJFJE-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910000027 potassium carbonate Inorganic materials 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 125000003944 tolyl group Chemical group 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 12
- 239000007800 oxidant agent Substances 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- BLJLOSJXZCESDI-UHFFFAOYSA-N acetylene toluene Chemical class C#C.CC1=CC=CC=C1 BLJLOSJXZCESDI-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000001308 synthesis method Methods 0.000 abstract description 2
- 150000004983 alkyl aryl ketones Chemical class 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- LAXRNWSASWOFOT-UHFFFAOYSA-J (cymene)ruthenium dichloride dimer Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Ru+2].[Ru+2].CC(C)C1=CC=C(C)C=C1.CC(C)C1=CC=C(C)C=C1 LAXRNWSASWOFOT-UHFFFAOYSA-J 0.000 description 12
- 235000017550 sodium carbonate Nutrition 0.000 description 9
- 235000011056 potassium acetate Nutrition 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 239000003480 eluent Substances 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- 238000012512 characterization method Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- CIUKUXOFHVWGTG-UHFFFAOYSA-N 1,2-diphenyl-3-(trifluoromethyl)naphthalene Chemical compound C1(=CC=CC=C1)C1=C(C(=CC2=CC=CC=C12)C(F)(F)F)C1=CC=CC=C1 CIUKUXOFHVWGTG-UHFFFAOYSA-N 0.000 description 1
- FFEGFMOHMPSHTK-UHFFFAOYSA-N 1-ethynyl-2-(2-phenylethynyl)benzene Chemical group C#CC1=CC=CC=C1C#CC1=CC=CC=C1 FFEGFMOHMPSHTK-UHFFFAOYSA-N 0.000 description 1
- IHDVJEGJUZMTMK-UHFFFAOYSA-N 3-(2-methylpropyl)-1,2-diphenylnaphthalene Chemical compound C(C(C)C)C=1C(=C(C2=CC=CC=C2C=1)C1=CC=CC=C1)C1=CC=CC=C1 IHDVJEGJUZMTMK-UHFFFAOYSA-N 0.000 description 1
- KTHCFDAQJCYRHP-UHFFFAOYSA-N 3-ethyl-1,2-diphenylnaphthalene Chemical compound C(C)C=1C(=C(C2=CC=CC=C2C=1)C1=CC=CC=C1)C1=CC=CC=C1 KTHCFDAQJCYRHP-UHFFFAOYSA-N 0.000 description 1
- YZCOJEUECSLIAF-UHFFFAOYSA-N 3-methyl-1,2,7-triphenylnaphthalene Chemical compound CC=1C(=C(C2=CC(=CC=C2C=1)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 YZCOJEUECSLIAF-UHFFFAOYSA-N 0.000 description 1
- XFUMZUCIKXHXBO-UHFFFAOYSA-N 7-fluoro-3-methyl-1,2-diphenylnaphthalene Chemical compound FC1=CC=C2C=C(C(=C(C2=C1)C1=CC=CC=C1)C1=CC=CC=C1)C XFUMZUCIKXHXBO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 150000001502 aryl halides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000005483 tyrosine kinase inhibitor Substances 0.000 description 1
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- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
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- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
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Abstract
本分案申请涉及钌催化烷基芳酮与二苯乙炔反应制备多芳取代萘衍生物的方法。本发明使用较廉价的钌作为催化剂,将芳香酮β‑H活化合成六元环即生成多芳取代萘衍生物;反应过程中无需添加剂及氧化剂,仅使用简单的碱,在温和反应条件下进行。本发明提供的合成方法简单易行、科学合理、绿色环保、经济实用,适合规模化生产。
Description
本申请为申请号为2017113298008、申请日为2017年12月13日、发明名称为“一种钌催化芳香酮与二苯乙炔环化反应制备多芳取代萘衍生物的方法及应用”的分案申请。
技术领域
本发明涉及医药技术及光电材料领域,主要涉及多芳取代萘衍生物的制备方法及应用。
背景技术
多芳取代萘衍生物由于其独特的电化学,光化学性能以及它们在n共轭的功能材料上的应用,使其在有机荧光材料、半导体材料等方面的应用越来越广泛,并且多芳取代萘衍生物在药物合成方面也有重要应用。现有技术中已采用的制备方法相比以前的环金属化、芳基卤、芳基酸等比较苛刻的条件有了很大的突破。目前,多采用在温和条件下通过过渡金属催化芳香苯环的C-H键(甚至双C-H键)活化与炔烃发生环化反应制备多芳取代的萘衍生物。但该方法存在缺陷,这些反应需要一定量的配体或者当量的金属盐做氧化剂才能完成催化循环,不仅提高了生产成本,而且金属盐多为对环境污染的重金属(铜、银等)盐类。基于此,本领域需要更加环保、绿色、经济的方法来合成多芳取代萘衍生物。
发明内容
为弥补现有技术的不足,本发明提供了一种无需添加剂及氧化剂在温和条件下以较廉价的钌([RuCl2(p-cymene)]2)作为催化剂合成了多芳取代萘的衍生物的方法。
本发明采用如下技术方案:多芳取代萘的衍生物,具有如通式Ⅰ所示的结构:
其中,R1为-H或-F中的一种,R2为-CH3、-CH2CH3、-CH3、或-CF3中的一种。
优选的,所述多芳取代萘的衍生物为:
本发明另一个目的是请求保护上述多芳取代萘的衍生物的制备方法,即:将二苯乙炔与芳香酮作为原料,加入[RuCl2(p-cymene)]2、碱和非极性有机溶剂,在氮气环境下加热至80-100℃反应12-24h,经柱层析分离得到多芳取代萘的衍生物;所述的二苯乙炔与芳香酮摩尔比为1:2,[RuCl2(p-cymene)]2占二苯乙炔的15mol%,碱与芳香酮的摩尔比为1:1。
优选的,所述的芳香酮为:其中R1为-H或-F中的一种,R2为-CH3、-CH2CH3、-CH3、或-CF3中的一种。
优选的,芳香酮为 中的一种。
进一步的,所述非极性有机溶剂为苯、甲苯、二氯乙烷、氯仿、苯乙烯、环乙烷或己烷中任一种。优选甲苯。
进一步的,所述的碱为KOAc、Na2CO3、Cs2CO3、K2CO3、Li2CO3、NaOAc、LiOAc中的一种或一种以上。优选KOAc和Na2CO3。
作为本发明优选的实施方案,该多芳取代萘衍生物的制备方法为:将芳香酮和二苯乙炔置于封管中,加入[RuCl2(p-cymene)]2和甲苯,同时加入干燥的碳酸钠和醋酸钾在氮气环境下加热至100℃反应24小时,经柱层析分离得到多芳取代萘的衍生物。
本发明第三个目的是请求保护上述多芳取代萘的衍生物在药物制备及光电材料领域上的应用。
比如用于新型酪氨酸蛋白激酶抑制剂或蓝光材料的制备。
与现有技术相比,本发明的有益效果是:
本发明使用较廉价的钌([RuCl2(p-cymene)]2)作为催化剂,将芳香酮β-H活化合成六元环即生成多芳取代萘衍生物;反应过程中无需添加剂及氧化剂,仅使用简单的碱,在温和反应条件下进行。本发明提供的合成方法简单易行、科学合理、绿色环保、经济实用,适合规模化生产。
具体实施方式
下面通过具体实施例详述本发明,但不限制本发明的保护范围。如无特殊说明,本发明所采用的实验方法均为常规方法,所用实验器材、材料、试剂等均可从化学公司购买。
实施例1
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
4,5-二苯基-6-(噻吩-2-亚甲基)苯并[b]噻吩:产率:40%。1H NMR(CDCl3,400MHz)δ7.81(s,1H),7.33(d,J=5.2Hz,1H),7.10-7.18(m,9H),7.00-7.02(m,3H),6.87(dd,J1=3.6Hz;J2=5.2Hz,1H),6.59-6.60(m,1H),4.07(s,2H).13C NMR(CDCl3,100MHz)δ144.1,139.7,139.4,135.7,130.8,130.4,127.5,126.7,126.5,126.4,125.9,124.2,123.8,122.1,34.5.HRMS(EI-TOF)calcd for C25H18S2(M+):382.0850,found:382.0847.
实施例2
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
3-甲基-1,2,7-三苯基萘:产率:65%。熔点:163-165℃。1H NMR(CDCl3,400MHz)δ7.91(d,J=8.4Hz,1H),7.79(s,1H),7.69-7.73(m,2H),7.52(d,J=7.2Hz,2H),7.37(t,J=8.0Hz,2H),7.29(d,J=7.2Hz,1H),7.10-7.23(m,8H),7.02-7.05(m,2H),2.26(s,3H).13CNMR(CDCl3,100MHz)δ141.5,140.6,140.4,139.2,139.0,137.9,134.7,132.1,131.5,131.1,130.1,128.8,127.7,127.6,127.5,127.4,127.2,127.1,126.4,126.2,125.5,124.9,22.0.HRMS(EI-TOF)calcdfor C29H22(M+):370.1722,found:370.1723.
实施例3
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
3-乙基-1,2-二苯基萘:产率:25%。熔点:124-125℃。1H NMR(CDCl3,400MHz)δ7.79-7.81(m,1H),7.72(s,1H),7.37-7.40(m,2H),7.22-7.26(m,1H),7.01-7.14(m,8H),6.96-6.98(m,2H),2.51(dd,J1=7.6Hz;J2=14.8Hz,2H),1.08(t,J=7.6Hz,3H).13C NMR(CDCl3,100MHz)δ140.4,140.3,139.6,139.5,138.8,133.0,131.2,131.0,130.4,127.4,127.4,126.8,126.3,126.1,125.8,125.7,125.3,27.4,15.1.HRMS(EI-TOF)calcd forC24H20(M+):308.1565,found:308.1567.
实施例4
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
7-氟-3-甲基-1,2-二苯基萘:产率:30%。熔点:139-140℃。1H NMR(CDCl3,400MHz)δ7.81(dd,J1=6.0Hz;J2=8.8Hz,1H),7.75(s,1H),7.06-7.23(m,10H),7.01-7.03(m,2H),2.24(s,3H).13C NMR(CDCl3,100MHz)δ161.6,159.2,140.8,140.3,138.9,138.2(d,JC-F=5.6Hz),133.7(d,JC-F=2.3Hz),132.3,132.2,130.9,129.9(d,JC-F=5.6Hz),129.4(d,JC-F=8.6Hz),127.6(d,JC-F=4.9Hz),127.3,126.6,126.3,116.2,115.9,110.3,110.1,21.8.HRMS(EI-TOF)calcdfor C23H17F(M+):312.1314,found:312.1312.
实施例5
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
3-异丁基-1,2-二苯基萘:产率:35%。熔点:107-108℃。1H NMR(CDCl3,400MHz)δ7.85-7.87(m,1H),7.73(s,1H),7.43-7.47(m,2H),7.29-7.33(m,1H),7.07-7.21(m,8H),7.01-7.03(m,2H),2.48(d,J=7.2Hz,2H),1.66-1.73(m,1H),0.76-0.78(d,J=6.4Hz,6H).13C NMR(CDCl3,100MHz)δ140.3,140.0,139.6,138.9,137.9,132.7,131.3,131.1,130.7,127.7,127.4,127.4,127.2,126.8,126.3,126.1,125.6,125.3,43.5,29.8,29.1,22.6.HRMS(EI-TOF)calcd for C26H24(M+):336.1878,found:336.1882.
实施例6
向带有磁子的25mL封管中加入二苯乙炔(18mg,0.1mmol),相应的芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]2(9mg,15%mol),0.5mL甲苯,之后加入干燥的碳酸钠(21mg,0.2mmol)和醋酸钾(19mg,0.2mmol),抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物。表征如下。
1,2-二苯基-3-(三氟甲基)萘:产率:45%。熔点:118-119℃。1H NMR(CDCl3,400MHz)δ8.34(s,1H),8.02(d,J=8.0Hz,1H),7.57-7.60(m,1H),7.94-7.50(m,2H),7.18-7.24(m,3H),7.13-7.16(m,3H),7.05-7.11(m,4H).13C NMR(CDCl3,100MHz)δ141.6,138.1,137.7,135.9,134.0,131.4,130.8(d,JC-F=5.8Hz),129.4,128.9,128.4,128.3,128.2,127.6,127.1,126.9,126.9,126.8,126.2,126.2.HRMS(EI-TOF)calcd for C23H15F3(M+):348.1126,found:348.1124.
对比例:
向带有磁子的25mL封管中加入二苯乙炔0.1mmol,芳香酮(0.2mmol),催化剂[RuCl2(p-cymene)]20.01mol,之后加入0.5mL有机溶剂和与芳香酮等摩尔的干燥的碱,抽换氮气三次,100℃下反应24小时,然后经柱色谱分离(洗脱剂为:石油醚)从而得到目标化合物计算产率,结果如表1所示。
表1
*催化剂为0.015mmol时的产率
由表1数据和对实施例1-6产率对比可知,当有机溶剂选择甲苯,碱为碳酸钠和醋酸钾时,催化剂用量为15mol%时,产率最高。故而,在实验过程中均采用此最佳反应条件进行。
以上所述,仅为本发明创造较佳的具体实施方式,但本发明创造的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明创造披露的技术范围内,根据本发明创造的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明创造的保护范围之内。
Claims (6)
1.钌催化烷基芳酮与二苯乙炔反应制备多芳取代萘衍生物的方法,其特征在于,将二苯乙炔与芳香酮作为原料,加入[RuCl2(p-cymene)]2、碱和非极性有机溶剂,在氮气环境下加热至80-100℃反应12-24h,经柱层析分离得到多芳取代萘的衍生物;所述的二苯乙炔与芳香酮摩尔比为1:2,[RuCl2(p-cymene)]2占二苯乙炔的15mol%,碱与芳香酮的摩尔比为1:1。
2.根据权利要求1所述的方法,其特征在于,所述非极性有机溶剂为苯、甲苯、二氯乙烷、氯仿、苯乙烯、环乙烷或己烷中任一种。
3.根据权利要求2所述的方法,其特征在于,有机溶剂为甲苯。
4.根据权利要求1所述的方法,其特征在于,所述的碱为KOAc、Na2CO3、Cs2CO3、K2CO3、Li2CO3、NaOAc、LiOAc中的一种或一种以上。
5.根据权利要求4所述的方法,其特征在于所述的碱为KOAc和Na2CO3。
6.一种如权利要求1所述多芳取代萘的衍生物在药物制备及光电材料领域上的应用。
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