N-异丁基哌嗪 、
在
manganese(IV) oxide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以48 %的产率得到(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17-trihydroxy-32-(4-{4-[2-(1H-imidazol-1-yl)ethyl]piperazin-1-yl}butoxy)-11-methoxy-3,7,12,14,16,18,22-heptamethyl-30-[4-(2-methylpropyl)piperazin-1-yl]-6,23,37-trioxo-8,27,38-trioxa-24,34-diazahexacyclo [23.11.1.1
4,7.0
5,36.0
26,35.0
28'
33]octatriaconta-1(36),2,4,9,19,21,25,28(33),29,31,34-undecaen-13-yl acetate