N,N'-bis(3α-O-bromoacetyldeoxycholyl)-pyridine-2,6-diamine 、 dicaesium pyridine-3,5-dicarboxylate 以
N,N-二甲基甲酰胺 为溶剂,
反应 12.0h,
以68%的产率得到(1R,4R,5S,7S,8R,9S,12R,13R,27R,28R,31S,32R,33S,35S,36R,39R,40S,43R,59R,62S)-7,33-dihydroxy-8,13,27,32,40,62-hexamethyl-44,47,55,58-tetraoxa-17,23,51,66-tetrazaundecacyclo[57.3.1.118,22.139,43.149,53.04,9.05,62.08,12.028,32.031,36.035,40]hexahexaconta-18(66),19,21,49,51,53(64)-hexaene-16,24,45,48,54,57-hexone