申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04731443A1
公开(公告)日:1988-03-15
The invention relates to novel intermediates for the preparation of antimicrobial compounds, the intermediate being a compound of the formula: ##STR1## in which R.sup.2 is carboxy or a protected carboxy group, R.sup.8 is 2-hydroxyphenyl and Z is a group of the formula: --CH.dbd.CH.sub.2, --CH.sub.2 --X.sup.2, --CH.sub.2 P.sup.+ (R.sup.7).sub.3.X.sup.3-, --CH.dbd.P(R.sup.7).sub.3 OR--CH.sub.2 OH, wherein X.sup.2 and X.sup.3 are each halogen and R.sup.7 is selected from the group consisting of phenyl, tolyl, xylyl and naphthyl, or a salt thereof.
本发明涉及一种用于制备抗微生物化合物的新型中间体,该中间体是式子:##STR1## 其中R.sup.2是羧基或保护羧基,R.sup.8是2-羟基苯基,Z是式子:--CH.dbd.CH.sub.2,--CH.sub.2--X.sup.2,--CH.sub.2P.sup.+ (R.sup.7).sub.3.X.sup.3-,--CH.dbd.P(R.sup.7).sub.3OR--CH.sub.2OH,其中X.sup.2和X.sup.3都是卤素,R.sup.7选自苯基,甲苯基,二甲苯基和萘基,或其盐。