(Ξ)-2-((3a
S)-4
c-hydroxy-2,2-dimethyl-(3a
r,8a
t,8b
c)-3a,4,5,6,8a,8b-hexahydro-[1,3]dioxolo[4,5-
e]indazol-5a
t-yl)-oxiranecarboxylic acid methylamide 、
甲烷磺酸 在
吡啶 作用下,
生成
(Ξ)-2-((4R)-7-methanesulfonyl-2,2-dimethyl-(3ac,8at,8bc)-octahydro-4r,8c-epioxido-[1,3]dioxolo[4,5-e]indazol-5at-yl)-oxiranecarboxylic acid methylamide