Acetic acid 1-ethyl-2-methyl-4,7-dioxo-5-[2-(4-trimethylsilanyloxy-phenyl)-ethylamino]-4,7-dihydro-1H-indol-3-ylmethyl ester 在
[双(三氟乙酰氧基)碘]苯 作用下,
以
various solvent(s) 为溶剂,
生成
3-(acetoxymethyl)-1-ethyl-2-methyl-4,5,6,7,8,9-hexahydropyrrolo<2,3-g>quinoline-8-spiro-4'-cyclohexa-2',5'-dien-1'-one