申请人:Imperial Chemical Industries PLC
公开号:US05224980A1
公开(公告)日:1993-07-06
A compound of the formula ##STR1## in which R.sup.1 and R.sup.2 taken together, and R.sup.3 and R.sup.4 taken together, independently 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 from 1 to 4 carbon atoms, and R.sup.5 to R.sup.8 are independently hydrogen, hydrocarbyl or substituted hydrocarbyl. Typically R.sup.1 and R.sup.2 and also R.sup.3 and R.sup.4 complete a trimethylene ring, R.sup.5 and R.sup.7 are each hydrogen and R.sup.6 and R.sup.8 are alkyl such as methyl. The compounds have microbiological activity.
该化合物的化学式为##STR1## 其中R.sup.1和R.sup.2一起取,R.sup.3和R.sup.4一起取,独立地代表具有3或4个碳原子的聚亚甲基链,或具有3或4个碳原子的聚亚甲基链,其上至少有一个低碳基基团,其碳原子数为1至4,而R.sup.5到R.sup.8独立地代表氢,烃基或取代烃基。通常情况下,R.sup.1和R.sup.2以及R.sup.3和R.sup.4共同构成三亚甲基环,R.sup.5和R.sup.7分别为氢,而R.sup.6和R.sup.8为烷基,例如甲基。这些化合物具有微生物活性。