CN102627633A - 新康唑提纯新方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 12
- VEVFSWCSRVJBSM-HOFKKMOUSA-N ethyl 4-[4-[[(2r,4s)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazine-1-carboxylate Chemical compound C1CN(C(=O)OCC)CCN1C(C=C1)=CC=C1OC[C@@H]1O[C@@](CN2C=NC=C2)(C=2C(=CC(Cl)=CC=2)Cl)OC1 VEVFSWCSRVJBSM-HOFKKMOUSA-N 0.000 title abstract 6
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- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
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- 238000001035 drying Methods 0.000 claims abstract description 7
- 150000003851 azoles Chemical class 0.000 claims description 49
- 238000002156 mixing Methods 0.000 claims description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 15
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- 229930195733 hydrocarbon Natural products 0.000 claims description 12
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- 238000002425 crystallisation Methods 0.000 claims description 9
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- 238000000746 purification Methods 0.000 claims description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 0 CCN=C(C1)CC1NCCOCC(CO)OCC(*C=CC=C([C@]1(C)*2C11)Cl)=C*21Cl Chemical compound CCN=C(C1)CC1NCCOCC(CO)OCC(*C=CC=C([C@]1(C)*2C11)Cl)=C*21Cl 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- KHOWEYYVJZGGIU-UHFFFAOYSA-N ethyl 4-(4-hydroxyphenyl)piperazine-1-carboxylate Chemical compound C1CN(C(=O)OCC)CCN1C1=CC=C(O)C=C1 KHOWEYYVJZGGIU-UHFFFAOYSA-N 0.000 description 2
- 150000002460 imidazoles Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- OILXMJHPFNGGTO-UHFFFAOYSA-N (22E)-(24xi)-24-methylcholesta-5,22-dien-3beta-ol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)C=CC(C)C(C)C)C1(C)CC2 OILXMJHPFNGGTO-UHFFFAOYSA-N 0.000 description 1
- RQOCXCFLRBRBCS-UHFFFAOYSA-N (22E)-cholesta-5,7,22-trien-3beta-ol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CCC(C)C)CCC33)C)C3=CC=C21 RQOCXCFLRBRBCS-UHFFFAOYSA-N 0.000 description 1
- OQMZNAMGEHIHNN-UHFFFAOYSA-N 7-Dehydrostigmasterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CC(CC)C(C)C)CCC33)C)C3=CC=C21 OQMZNAMGEHIHNN-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000228405 Blastomyces dermatitidis Species 0.000 description 1
- 241000222122 Candida albicans Species 0.000 description 1
- 206010007134 Candida infections Diseases 0.000 description 1
- 241000223205 Coccidioides immitis Species 0.000 description 1
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- DNVPQKQSNYMLRS-NXVQYWJNSA-N Ergosterol Natural products CC(C)[C@@H](C)C=C[C@H](C)[C@H]1CC[C@H]2C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@H]3CC[C@]12C DNVPQKQSNYMLRS-NXVQYWJNSA-N 0.000 description 1
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- DNVPQKQSNYMLRS-SOWFXMKYSA-N ergosterol Chemical compound C1[C@@H](O)CC[C@]2(C)[C@H](CC[C@]3([C@H]([C@H](C)/C=C/[C@@H](C)C(C)C)CC[C@H]33)C)C3=CC=C21 DNVPQKQSNYMLRS-SOWFXMKYSA-N 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- PQLFROTZSIMBKR-UHFFFAOYSA-N ethenyl carbonochloridate Chemical compound ClC(=O)OC=C PQLFROTZSIMBKR-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
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Abstract
本发明公开了一种新康唑提纯新方法,现有的新康唑重结晶都用到2-甲基-2-戊酮,不但价格高、不经济,且酮类化学品残留在产品中,对人体健康不利的。本发明通过以下步骤:(1).用水和低链烷烃醇的混合溶液,在温度为50-85℃下溶解新康唑粗品;(2).在溶解了新康唑粗品的混合溶液中,添加活性炭脱色,过滤除碳后,冷却到一定温度结晶;然后再次过滤并干燥,获得的新康唑精品含量在99.0%以上,HPLC纯度在99.5%以上,熔点在127.6-130℃之间。本发明方法简洁、成本低廉、提纯后得到的产品的稳定性好,且反应总摩尔收率在89-91%。
Description
技术领域
本发明属于化学化工技术领域,尤其涉及一种新康唑提纯新方法。
背景技术
新康唑为酮康唑(II)的衍生物,化学名为:顺式-4-[4-[[2-(2,4-二氯苯基)-2-(1H-咪唑-1-基甲基)-1,3-二氧戊环-4-基]甲氧基]苯基]-1-哌嗪羧酸乙酯(I),结构式如下:
新康唑与传统的咪唑类抗菌产品酮康唑一样,是一种咪唑类新型广谱抗真菌产品,可抑制真菌麦角甾醇生物合成,并改变细胞膜其它脂类化合物的组成。对念珠菌、新型隐球菌、荚膜组织胞浆菌、皮炎芽生菌以及球孢子菌等均有拮抗作用,但与酮康唑相比,后者不能用于个人护理品中,而新康唑水溶性比酮康唑好,适合个人护理品领域使用,已列入欧洲个人护理品使用范围,市场前景非常广阔。
新康唑的合成,在美国专利US4335125中,以顺-[2-(2,4-二氯苯基)-2-(1H-咪唑-1-基甲基)-1,3-二氧戊环-4-基] 甲醇对甲苯磺酸酯(Ⅲ,活性酯型式)为原料,与4-(4-羟基苯基)-1-哌嗪羧酸乙酯(IV)缩合而得,具体如下:
在US4335125中,新康唑用2-甲基-2-戊酮重结晶,得到的新康唑熔点为112.2℃
在世界专利WO93/18743中,新康唑合成是以酮康唑为起始原料,经水解、酰化后,精制及转晶型得到I型新康唑,具体如下:
其提纯是用2-甲基-2-戊酮结晶,反应与结晶收率为84.9%,后用丙酮转型至I型,转型的收率为82.1%,得到I型的总收率69.7%,I型的新康唑熔点127.6℃。
在WO93/18743中,还提及了新康唑的I型和II型性状,高熔点的I型的DSC最大峰在127.6℃,而低熔点的II型的DSC最大峰在110.9℃,I型比II型更稳定,优先用于人体用的化妆品中。
在上述两专利中,重结晶都用到2-甲基-2-戊酮,不但价格高、不经济,且酮类化学品残留在产品中,对人体健康不利的。
在中国专利公开说明书CN101665490A中,提到用乙酸乙酯重结晶,重结晶收率69.8%84.5%,用到乙酸乙酯有机物重结晶,但收率不高,且未提到产品的熔点。
发明内容
本发明的目的是针对现有技术的不足,提供一种新康唑提纯新方法。
本发明解决其技术问题所采用的技术方案步骤如下:
步骤(2).在溶解了新康唑粗品的混合溶液中,添加活性炭脱色,过滤除碳后,冷却到-515℃结晶;然后再次过滤并干燥,获得的新康唑精品含量在99.0%以上,HPLC纯度在99.5%以上,熔点在127.6130℃之间;
本发明有益效果如下:
具体实施方式
下面结合实施例对本发明作进一步说明。
实施例1
步骤(1).用水和乙醇的混合溶液,在温度为50℃下溶解新康唑粗品,混合溶液中水和乙醇的比例为3:7,
所述的水和乙醇的混合溶液与新康唑粗品的的重量比为10:1;
实施例2
步骤(1).用水和乙醇的混合溶液,在温度为75℃下溶解新康唑粗品,混合溶液中水和乙醇的比例为3:10;
所述的水和乙醇的混合溶液与新康唑粗品的的重量比为7:2;
步骤(2).在溶解了新康唑粗品的混合溶液中,添加活性炭脱色,过滤除碳后,冷却到3℃后结晶;然后再次过滤并干燥,获得的新康唑精品含量为99.8%,HPLC纯度为99.9%,熔点在128.5130℃。
实施例3
步骤(1).用水和乙醇的混合溶液,在温度为85℃下溶解新康唑粗品,混合溶液中水和乙醇的比例为1:19;
所述的水和乙醇的混合溶液与新康唑粗品的的重量比为2:1;
步骤(2).在溶解了新康唑粗品的混合溶液中,添加活性炭脱色,过滤除碳后,冷却到5℃后结晶;然后再次过滤并干燥,获得的新康唑精品含量为99.1%,HPLC纯度为99.6%,熔点在128129℃。
实施例4
步骤(1).用水和甲醇的混合溶液,在温度为85℃下溶解新康唑粗品,混合溶液中水和甲醇的比例为1:4;
所述的水和甲醇的混合溶液与新康唑粗品的的重量比为2:1;
实施例5
步骤(1).在反应釜中,投入100KG酮康唑和110KG的10%盐酸,在85℃下反应20小时,冷却至室温;然后加入400L的甲苯,再缓慢加入96.5KG的50%氢氧化钠溶液,析出结晶固体,离心,用40KG水洗涤滤并,甩干,烘干,得92.1KG水解物,HPLC纯度99.5%以上,收率100%。
步骤(2).将步骤(1)得到的92.1KG水解物投入反应釜中,再投入520KG二氯甲烷和36KG碳酸钾,室温下滴加25KG氯甲酸乙酯,然后搅拌反应3小时,加水300KG,分层取有机相,减压蒸馏回收二氯甲烷至干,得新康唑粗品。
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144346A (en) * | 1977-01-31 | 1979-03-13 | Janssen Pharmaceutica N.V. | Novel 1-(1,3-dioxolan-2-ylmethyl)-1H-imidazoles |
| WO1993018743A1 (en) * | 1992-03-20 | 1993-09-30 | Janssen Pharmaceutica N.V. | Agent for regulating the greasiness of the skin |
| CN101665490A (zh) * | 2008-09-01 | 2010-03-10 | 浙江东亚药业有限公司 | 酮康唑衍生物的制备方法 |
| CN102070620A (zh) * | 2011-01-25 | 2011-05-25 | 南京白敬宇制药有限责任公司 | 一种抑菌酯的制备方法 |
-
2012
- 2012-03-21 CN CN2012100758937A patent/CN102627633A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144346A (en) * | 1977-01-31 | 1979-03-13 | Janssen Pharmaceutica N.V. | Novel 1-(1,3-dioxolan-2-ylmethyl)-1H-imidazoles |
| WO1993018743A1 (en) * | 1992-03-20 | 1993-09-30 | Janssen Pharmaceutica N.V. | Agent for regulating the greasiness of the skin |
| CN101665490A (zh) * | 2008-09-01 | 2010-03-10 | 浙江东亚药业有限公司 | 酮康唑衍生物的制备方法 |
| CN102070620A (zh) * | 2011-01-25 | 2011-05-25 | 南京白敬宇制药有限责任公司 | 一种抑菌酯的制备方法 |
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