Process for the preparation of 7-acylamino-3-hydroxycephem-4-carboxylic acids and 7-acylamino-3-hydroxy-1-dethia-1-oxacephem-4-carboxylic acids
摘要
The invention relates to a multi-step process for the preparation of oxacephems and cephalosporins of the general formula (1) <IMAGE> starting from compounds of the general formula (4) <IMAGE> Original abstract incomplete.
申请公布号
DE3328707(A1)
申请公布日期
1985.02.28
申请号
DE19833328707
申请日期
1983.08.09
申请人
BAYER AG, 5090 LEVERKUSEN, DE
发明人
HAEBICH, DIETER, DIPL.-CHEM. DR.;HARTWIG, WOLFGANG, DIPL.-CHEM. DR., 5600 WUPPERTAL, DE
