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11.
公开(公告)号:US4048158A
公开(公告)日:1977-09-13
申请号:US645913
申请日:1975-12-31
IPC分类号: C07D499/04 , C07D499/00 , C07D499/62
CPC分类号: C07D499/00
摘要: Novel d-.alpha.-isobutylsulfobenzylpenicillin hemi-solvate crystals of the formula: ##STR1## (wherein A is a solvent selected from the class consisting of alcohols, ketones, ethers and esters) have excellent antibacterial activities and improved stability in terms of shelf-life.
摘要翻译: 下式的新型d-α-异丁基磺苄青霉素半溶剂化物晶体:其中A是选自醇,酮,醚和酯的溶剂,具有优异的抗菌活性和改善保质期的稳定性 。
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12.
公开(公告)号:US3954826A
公开(公告)日:1976-05-04
申请号:US486835
申请日:1974-07-09
IPC分类号: C07C309/03 , C07C309/73 , C07D207/08 , C07D307/12 , C07D499/62 , C07C143/68
CPC分类号: C07D207/08 , C07C309/00 , C07D307/12
摘要: .alpha.-Sulfophenylacetic acid derivatives of the general formula: ##EQU1## (wherein R is a substituted or unsubsituted primary alcohol, cyclic alcohol or phenol compound residue), which are of value as intermediates of antibacterial agents, are selectively produced in a high yield by bringing a diester compound of the general formula: ##EQU2## (wherein R has the same meaning as defined above) into contact with a strong acid.
摘要翻译: 选择性地以高产率制备具有通式为-CHCOOH | SO 3 R(其中R为取代或未取代的伯醇,环醇或酚化合物残基)的α-磺基苯乙酸衍生物,其为抗菌剂的中间体 通过将具有通式:CH 3 | -CHCOO-C-CH 3 || SO 3 R CH 3(其中R具有与上述相同的含义)的二酯化合物与强酸接触。
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