rifamycin P 、
1-苄基哌嗪 以
四氢呋喃 为溶剂,
反应 15.0h,
以20%的产率得到[(9E,19E,21Z)-28-(4-benzylpiperazin-1-yl)-2,15,17,32-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,33-dioxa-27-thia-24,29-diazapentacyclo[23.6.1.14,7.05,31.026,30]tritriaconta-1(31),2,4,9,19,21,25(32),26(30),28-nonaen-13-yl] acetate