3-(7,7-dimethyl-1H-pyrano[2,3-g]indol-3-yl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
水 、
乙腈 为溶剂,
反应 7309.08h,
生成
(3R,8aR)-8a-(3',3'-dimethylallyl)-3-{(7'',7''-dimethyl-1'',7''-dihydropyrano-[2,3-g]indol-3′′-yl)methyl}hexahydropyrrolo[1,2-a]pyrazine-1,4-dione