tert-butyl N-[(3S,12S,15R,19S,28S,31R)-12,28-bis[(1S)-1-[tert-butyl(dimethyl)silyl]oxy-2-(1,3-dioxan-2-yl)ethyl]-3,19-bis(2-hydroxypropan-2-yl)-4,7,20,23-tetramethyl-29-[(2-methylpropan-2-yl)oxycarbonylamino]-2,5,8,11,14,18,21,24,27,30-decaoxo-15,31-bis(2-trimethylsilylethylsulfonylamino)-1,17-dioxa-4,7,10,13,20,23,26,29-octazacyclodotriacont-13-yl]carbamate 在
苯甲醚 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以68%的产率得到[N-SES-D-Ser-L-Htp(OTBS)-Gly-Sar-L-Me-Val(β-OH)]2 (serine hydroxyl) dilactone