申请人:Gist-Brocades N.V.
公开号:US04347358A1
公开(公告)日:1982-08-31
Novel bromo-substituted deacetoxycephalosporins of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of benzamido, formamido, phenylacetamido and phenoxyacetamido, R.sub.2 is selected from the group consisting of hydrogen and bromine and R.sub.3 is a silyl group of the formula ##STR2## wherein R', R" and R'" are individually selected from the group consisting of alkyl of 1 to 6 carbon atoms, a halogen-substituted alkyl of 1 to 6 carbon atoms and aryl, which are suitable intermediates in processes for the preparation of antibiotics and their preparation.
化合物的中文翻译:新型溴代去乙酰头霉素类化合物的结构式为##STR1##其中R.sub.1选自苯甲酰胺基、甲酰胺基、苯乙酰胺基和苯氧乙酰胺基组成的群,R.sub.2选自氢和溴组成的群,R.sub.3是结构式##STR2##中的硅基团,其中R'、R"和R'"分别选自1至6个碳原子的烷基、1至6个碳原子的卤代烷基和芳基组成的群,这些化合物是抗生素制备过程中的合适中间体及其制备方法。