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1-苯基-1,3-二氢吲哚-2-酮在氯化锌催化下经硼氢化钠还原得1-苯基-1H-吲哚,再在PPA中发生分子内重排得亚氨基芪,总收率约42%。
1-phenyl-1,3-indolin-2-one was reduced by sodium borohydride under the catalysis of zinc chloride to give 1-phenyl-1H-indole, and then intramolecular rearrangement occurred in PPA Amino stilbene, the total yield of about 42%.