tert-butyl (3R,4S,4aS,5R)-4-(2,3-bis((benzyloxy)carbonyl)guanidino)-1-((tert-butoxycarbonyl)imino)-5-hydroxy-3-(((4-methoxybenzyl)oxy)methyl)hexahydropyrrolo[1,2-c]pyrimidine-2(1H)-carboxylate 在
sodium methylate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 5.0h,
以65%的产率得到tert-butyl (3R,4S,4aS,5R)-4-(2-((benzyloxy)carbonyl)guanidino)-1-((tert-butoxycarbonyl)imino)-5-hydroxy-3-(((4-methoxybenzyl)oxy)methyl)hexahydropyrrolo[1,2-c]pyrimidine-2(1H)-carboxylate