在
N-羟基-7-氮杂苯并三氮唑 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 0.67h,
以33%的产率得到(1S,7R,9S,11S,12S,14R,16R,22S,24S,26R,28S,29S,31R,33R)-11,12-bis[[tert-butyl(diphenyl)silyl]oxymethyl]-28,29-dimethoxy-28,29-dimethyl-6,17,27,30-tetraoxa-3,20-diazahexacyclo[20.12.0.07,16.09,14.024,33.026,31]tetratriacontane-4,19-dione