申请人:Burroughs Wellcome Co.
公开号:US03991050A1
公开(公告)日:1976-11-09
Compounds and methods of making compounds of the formula ##SPC1## Where X is a diloweralkylsulphone or diloweralkyl sulphoxide group and R.sup.1 -R.sup.4 is hydrogen, loweralkyl, loweralkoxyl, halogen, benzyloxy or methylenedioxy provided that one of R.sup.1 -R.sup.4 is a substituent other than hydrogen, and where R.sup.7 and R.sup.8 are hydrogen atoms or together represent an additional bond between the carbon and oxygen atoms. The compounds are useful as intermediates in the method of preparing other valuable intermediates which are useful in preparing antibacterial agents.
该文献介绍的是一种化合物及其制备方法,化合物的化学式为##SPC1##其中X为二甲基亚磺酰基或二甲基亚磺醇基,R.sup.1-R.sup.4为氢、低碳基、低碳氧基、卤素、苄氧基或甲烯二氧基,其中至少一个R.sup.1-R.sup.4为氢以外的取代基,而R.sup.7和R.sup.8为氢原子或共同代表碳和氧原子之间的额外键。这些化合物可用作制备其他有用中间体的中间体,并可用于制备抗菌剂。