D-cystine dimethyl ester dihydrochloride 、
4-Tert-butyl-2-[5-tert-butyl-3-(chloromethyl)-2-hydroxyphenyl]sulfanyl-6-(chloromethyl)phenol 在
sodium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 10.0h,
以15%的产率得到dimethyl (29S,34S)-5,11,19,25-tetratert-butyl-35,36,37,38-tetrahydroxy-8,22,31,32-tetrathia-1,15-diazahexacyclo[13.13.6.13,7.19,13.117,21.123,27]octatriaconta-3(38),4,6,9,11,13(37),17(36),18,20,23,25,27(35)-dodecaene-29,34-dicarboxylate