3-((2S,3R)-4-((3S,4aS,8aS)-3-(tert-butylcarbamoyl)octahydroisoquinolin-2(1H)-yl)-3-hydroxy-1-(4-phenylthiophen-2-yl)butan-2-ylcarbamoyl)-2-methylphenyl acetate 在
甲醇 、
sodium 作用下,
以70%的产率得到(-)-(3S,4aS,8aS)-N-tert-butyl-2-((2R,3s)-2-hydroxy-3-(3-hydroxy-2-methylbenzamido)-4-(4-phenylthiophen-2-yl)butyl)decahydroisoquinoline-3-carboxamide