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公开(公告)号:US5449828A
公开(公告)日:1995-09-12
申请号:US353816
申请日:1994-12-09
申请人: Zsuzsanna Nad , Tamas Kallay , Maria Sziladi , Tibor Montay
发明人: Zsuzsanna Nad , Tamas Kallay , Maria Sziladi , Tibor Montay
IPC分类号: C07C211/63 , C07C209/06 , C07C209/08 , C07C209/68 , C07C211/27 , C07C211/29 , C07C209/02
CPC分类号: C07C209/08 , C07C211/27 , C07C211/29
摘要: The present invention relates to a process for the preparation of L-isomer of propargyl-ammonium-chloride derivatives of the formula (I) ##STR1## by decomposing D-tartarte of L-isomer of the amine of the general ##STR2## wherein y is hydrogen or fluoro and by reacting the obtained L-issomer amine of the formula (II) in the presence of a base with a halide of the formula (V), X--CH.sub.2 --C.ident.CCH wherein X is halogen and by reacting the so obtained L-isomer of the Formula (III) ##STR3## with hydrogen-chloride in an organic solvent, wherein x is a halogen atom,y is a hydrogen or fluorine atom.
摘要翻译: 本发明涉及通过将通用化合物(I)的胺的L-异构体的D-异构体分解而制备式(I)的炔丙基氯化铵衍生物的L-异构体的方法 (II)其中y是氢或氟,并且通过使式(II)所得的L-取代的胺在碱的存在下与式(V)的卤化物反应,X-CH 2 -C = CCH,其中X 是通过使所得到的式(III)的III型异构体在有机溶剂中与氯化氢反应,其中x是卤素原子,y是氢或氟原子。
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公开(公告)号:US4820838A
公开(公告)日:1989-04-11
申请号:US912997
申请日:1986-09-26
申请人: Antal Friesz , Zsuzsanna Nad , Lajos Nagy , Tamas Kallay
发明人: Antal Friesz , Zsuzsanna Nad , Lajos Nagy , Tamas Kallay
IPC分类号: C07D217/10 , C07D217/20 , C07D473/08 , A61K31/52
CPC分类号: C07D217/20 , C07D473/08
摘要: The invention relates to a process for the preparation of a new crystalline monohydrate of 1-(3', 4'-diethoxy-benzyl-6, 7-diethoxy-3,4-dihydro-isoquinolinium-theophylline-7-acetate and if desired of pure 1-(3', 4'-diethoxy-benzyl)-6,7-diethoxy-3, 4-dihydro-isoquinolinium-theophylline-7-acetate free of contaminating oxidation products which comprises reacting 1-(3',4'-diethoxy-benzyl)-6,7-diethoxy-3,4-dihydro-isoquinolinium with theophylline-7-acetate acid in the presence of water and one or more organic solvent(s) and if desired dehydrating the 1-(3',4'-diethoxy-benzyl) 6,7-diethoxy-3,4-dihydro-isoquinolinium-theophylline-7-acetate-monohydrate thus obtained.
摘要翻译: 本发明涉及一种制备1-(3',4'-二乙氧基 - 苄基-6,7-二乙氧基-3,4-二氢 - 异喹啉 - 茶碱-7-乙酸酯的新结晶一水合物的方法,如果需要 纯的1-(3',4'-二乙氧基 - 苄基)-6,7-二乙氧基-3,4-二氢 - 异喹啉鎓 - 茶碱-7-乙酸酯不含污染的氧化产物,其包括使1-(3',4 N'-二乙氧基 - 苄基)-6,7-二乙氧基-3,4-二氢 - 异喹啉与茶碱-7-乙酸在水和一种或多种有机溶剂的存在下反应,如果需要,将1-(3 ',4'-二乙氧基 - 苄基)6,7-二乙氧基-3,4-二氢 - 异喹啉鎓 - 茶碱-7-乙酸酯一水合速率。
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公开(公告)号:US4960913A
公开(公告)日:1990-10-02
申请号:US353657
申请日:1989-05-05
申请人: Erzsebet Szalay , Gyorgy Lugosi , Tamas U. Kallay , Zsuzsanna Nad , Istvan Jelinek , Vilmos Simonidesz , Peter Gyory , Lajos Nagy , Marta Lugosi , Ilona Santa nee Singola , Gabor Besenyei , Laszlo Simandi
发明人: Erzsebet Szalay , Gyorgy Lugosi , Tamas U. Kallay , Zsuzsanna Nad , Istvan Jelinek , Vilmos Simonidesz , Peter Gyory , Lajos Nagy , Marta Lugosi , Ilona Santa nee Singola , Gabor Besenyei , Laszlo Simandi
IPC分类号: B01J27/057 , C07B61/00 , C07C231/12 , C07C233/00 , C07C237/26 , C07D237/26
CPC分类号: C07C233/00
摘要: The invention relates to a process for the preparation of tetracycline derivatives of the formula ##STR1## and acid addition salts thereof --wherein R stands for --CH.sub.3 or .dbd.CH.sub.2 --by dehalogenating and hydrogenating chloromethacycline or acid addition salt thereof of the formula ##STR2## or by hydrating methacycline or acid addition salts thereof of the formula ##STR3## by treatment with hydrogen gas in the presence of a noble metal alloy catalyst on carrier and organic solvent which comprises performing, hydrogenating under pressure of 0.1-1.0 MPa with an alloy catalyst consisting of the alloy palladium or platinum and selenium and/or tellurium used at a ratio of 1:0.01-0.5 related to the amount of the starting tetracycline and carrying out, if desired dehalogenation and hydrogenation in one step.
摘要翻译: PCT No.PCT / HU88 / 00063 Sec。 371日期1989年5月5日 102(e)日期1989年5月5日PCT提交1988年9月16日PCT公布。 公开号WO89 / 02429 1989年3月23日。本发明涉及一种制备式I的四环素衍生物及其酸加成盐的方法,其中R代表-CH 3或= CH 2 - 通过脱氯和氢化氯代甲环素或酸 其加成盐具有式
II。 或通过水合式(III)的甲卡环素或其酸加成盐。 在贵金属合金催化剂存在下,在载体和有机溶剂的存在下,通过氢气处理,其中包括在合金催化剂组成的合金催化剂的作用下,在0.1-1.0MPa的压力下,用合金催化剂和硒和/或碲 与起始四环素的量相关的1:0.01-0.5的比例,如果需要,在一步中进行脱卤和氢化。
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