申请人:Toyama Chemical Co., Ltd.
公开号:US04618606A1
公开(公告)日:1986-10-21
The invention relates to antibiotic compounds of the formula: ##STR1## wherein R.sup.1 represents a hydrogen atom or a carboxyl-protecting group; R.sup.2 represents a group of the formula: ##STR2## R.sup.3 represents a hydrogen atom or an alkoxy group; R.sup.4 represents a hydrogen atom or a halogen atom; R.sup.5 represents a hydrogen atom or a protected or unprotected amino group; A represents a group of the formula, --CH.sub.2 -- or a group of the formula, ##STR3## or a group of the formula, ##STR4## and the bond means that the compound may be a synisomer or an anti-isomer or a mixture thereof.
本发明涉及公式为:##STR1##的抗生素化合物,其中R.sup.1代表氢原子或羧基保护基;R.sup.2代表公式为:##STR2##的基团;R.sup.3代表氢原子或烷氧基;R.sup.4代表氢原子或卤素原子;R.sup.5代表氢原子或受保护或未受保护的氨基基团;A代表公式为--CH.sub.2--的基团或公式为:##STR3##的基团或公式为:##STR4##的基团,其中键表示该化合物可以是同构体或反异构体或其混合物。