95969-12-3Relevant articles and documents
Selective halogenation of 4-oxo-4,5,6,7-tetrahydroindoles to 5-halo-4-oxo-4,5,6,7-tetrahydroindoles with copper(II) halides
Matsumoto, Masakatsu,Ishida, Yasuko,Watanabe, Nobuko
, p. 165 - 170 (2007/10/02)
Halogenation of 4-oxo-4,5,6,7-tetrahydroindoles with copper(II) bromide or copper(II) chloride gave selectively 5-halo-4-oxo-4,5,6,7-tetrahydroindoles, which were easily transformed to 4-hydroxyindoles by the action of lithium halide/lithium carbonate in