methyl 2-((5R,7R)-8-(tert-butoxycarbonyl)-7-isopropyl-11,11-dimethyl-9-oxo-2,4,10-trioxa-8-azadodecan-5-yl)thiazolidine-4-carboxylate 在
manganese(IV) oxide 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以76%的产率得到methyl 2-((5R,7R)-8-(tert-butoxycarbonyl)-7-isopropyl-11,11-dimethyl-9-oxo-2,4,10-trioxa-8-azadodecan-5-yl)thiazole-4-carboxylate