发明授权
US3862933A Process for making esters of 6-(alpha-(carboxy)aryla-cetamido)penicillanic acids
失效
制备6-(α-(羧基)芳基 - 鲸蜡基酰氨基)青霉烷酸酯的方法
- 专利标题: Process for making esters of 6-(alpha-(carboxy)aryla-cetamido)penicillanic acids
- 专利标题(中): 制备6-(α-(羧基)芳基 - 鲸蜡基酰氨基)青霉烷酸酯的方法
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申请号: US27116072申请日: 1972-07-12
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公开(公告)号: US3862933A公开(公告)日: 1975-01-28
- 发明人: GOLDMAN IRVING M
- 申请人: PFIZER
- 专利权人: Pfizer
- 当前专利权人: Pfizer
- 优先权: US27116072 1972-07-12
- 主分类号: C07D499/04
- IPC分类号: C07D499/04 ; C07D499/00 ; C07D499/12 ; C07D499/32 ; C07D499/72 ; C07F7/18 ; C07D99/16
摘要:
An improved process for making Alpha -(carboxy)arylacetyl derivatives of 6-aminopenicillanic acid esters useful as antibacterial agents and as intermediates for 6-( Alpha (carboxy)arylacetamido)penicillanic acids which comprises acylation of a 6-aminopenicillanic acid ester with a monacid halide of an arylmalonic acid silyl ester in anhydrous reactioninert solvent.