C
69H
98N
6O
21P
2 在
四(三苯基膦)钯 5,5-二甲基-1,3-环己二酮 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以8%的产率得到[4-[[2-[2-[[2-[(7S,9E,11S,12R,13S,14R,15R,16S,17S,18S,19E,21Z)-13-acetyloxy-2,15-dihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-1'-(2-methylpropyl)-6,23,32-trioxospiro[8,33-dioxa-24,27,29-triazapentacyclo[23.6.1.14,7.05,31.026,30]tritriaconta-1(31),2,4,9,19,21,25,29-octaene-28,4'-piperidine]-17-yl]oxy-2-oxoethyl]-methylamino]ethoxy]-2-oxoethyl]amino]-4-oxo-1-phosphonobutyl]phosphonic acid