反应详情

Hydrolysis of 3,3,4-trichloro-5-methoxy-1,3-dihydro-indol-2-one in MeOH-water mixture according to the procedure published in Tetrahedron 27, 3263-70 (1971) provided 4-chloro-5-methoxy-1H-indole-2,3-dione as a deep-brown shiny crystals in 96% Y.