Benzyl 2,3,5,6,7,8-Hexahydro-2-<(methylsulfonyl)oxy>-1-methoxy-6-methyl-8-oxo-1H-pyrrolo<1,2-a>indole-9-carboxylate 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
生成 (1S,2R)-8-Hydroxy-2-methanesulfonyloxy-1-methoxy-6-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indole-9-carboxylic acid benzyl ester