CAS: 38240-21-0; 3-Aminopyridine-2(1H)-Thione

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参考文献:Takahashi; Maki,Yakugaku Zasshi/journal Of The Pharmaceutical Society Of Japan,1958,Vol. 78,P. 417,420
标题:Takahashi; Maki,Yakugaku Zasshi/journal Of The Pharmaceutical Society Of Japan,1958,Vol. 78,P. 417,420

专利信息

专利号:US-4171438-A
优先权日:1975-07-23
标 题:0-2-Isocephem-4-carboxylic acid derivatives as antibacterial agents
发明人：DOUGLAS JAMES L; HORNING DONALD E; MORRIS LEESON R
权利人:BRISTOL MYERS CO
摘要:There is described the stereoselective total synthesis of novel DELTA 2,3-1,4-morpholine-2-carboxylic acids possessing a fused beta -lactam ring in the 1,6-position and carrying a substituent cis to carbon 5 in the 7-position of the fused ring system represented by the general formula I wherein X is acylamino and Z represents optionally substituted C1-C6 alkyl, aryl or aralkyl. Also included in the invention are compounds of the above formula in which the carboxyl group at the 2-position is protected as by an easily cleavable ester group and salts of both the free acids and carboxyl-protected compounds. The compounds are potent antibacterial agents.

专利号:US-4118566-A
优先权日:1975-07-23
标 题:Δ2,3 -1,4-Morpholine-2-carboxylic acid derivatives as antibacterial agents
发明人：HORNING DONALD E; MORRIS LEESON R; DOUGLAS JAMES L
权利人:BRISTOL MYERS CO
摘要:There is described the stereoselective total synthesis of novel DELTA 2,3-1,4-morpholine-2-carboxylic acids possessing a fused beta -lactam ring in the 1,6-position and carrying a substituent cis to carbon 5 in the 7-position of the fused ring system represented by the general formula I wherein X is amino, azido or acylamido and Z represents optionally substituted C1-C6 alkyl, aryl, aralkyl or heterocyclic. Also included in the invention are compounds of formula I in which the carboxyl group at the 2-position is protected as by an easily cleavable ester group and salts of both the free acids and carboxyl-protected compounds of formula I. The compounds of formula I are potent antibacterial agents or are of use as intermediates in the preparation of such antibacterial agents.