申请人:Imperial Chemical Industries PLC
公开号:US05290810A1
公开(公告)日:1994-03-01
A compound of the formula ##STR1## in which R.sup.1 and R.sup.2 taken together represent a polymethylene chain having 3 or 4 carbon atoms, or a polymethylene chain having 3 or 4 carbon atoms substituted by at least one lower alkyl radical having 1 to 4 carbon atoms, R.sup.3 is hydrogen, hydrocarbyl or substituted hydrocarbyl and X represents cyano, a group --SO.sub.3 M or a group --S--R.sup.4 where M is hydrogen or an alkali metal such as sodium and R.sup.4 is hydrocarbyl or substituted hydrocarbyl. Typically R.sup.1 and R.sup.2 complete a cyclopentene ring, R.sup.3 is alkyl such as methyl and X is a group --SO.sub.3 Na. The compounds have microbiological activity.
该化合物的化学式为##STR1##其中R.sup.1和R.sup.2在一起表示具有3或4个碳原子的多亚甲基链,或具有3或4个碳原子的多亚甲基链被至少一个低级烷基基团替代,其碳原子数为1到4,R.sup.3为氢,烃基或取代烃基,X表示氰基,--SO.sub.3 M基团或--S--R.sup.4基团,其中M为氢或碱金属如钠,R.sup.4为烃基或取代烃基。通常,R.sup.1和R.sup.2形成一个环戊烯环,R.sup.3为烷基如甲基,X为--SO.sub.3 Na基团。该化合物具有微生物活性。