在
5% rhodium on activated aluminium oxide 、
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 24.0h,
以385 mg的产率得到methyl (1R,18R,19S,21S,23R,27S,30S)-27-tert-butyl-7-chloro-11,25,28-trioxo-2,24-dioxa-4,12,26,29-tetrazahexacyclo[27.2.1.03,12.05,10.018,23.019,21]dotriaconta-3,5(10),6,8-tetraene-30-carboxylate