A compound of the formula
in which R1 and R2 taken together, and R3 and R4 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 R5 to R8 are independently hydrogen, hydrocarbyl or substituted hydrocarbyl. Typically R1 and R2 and also R3 and R4 complete a trimethylene ring, R5 and R7 are each hydrogen and R6 and R8 are alkyl such as methyl. The compounds have microbiological activity.
式中的化合物
其中 R1 和 R2 以及 R3 和 R4 分别代表具有 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,该链被至少一个具有 1 至 4 个
碳原子的低级烷基取代,R5 至 R8 分别为
氢、烃基或取代的烃基。通常情况下,R1 和 R2 以及 R3 和 R4 组成一个三亚
甲基环,R5 和 R7 分别为
氢,R6 和 R8 为烷基,如
甲基。这些化合物具有微
生物活性。