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Crazy rings: Treatment of N-arylallylamine with an aryl or alkenyl halide under palladium catalysis (see scheme; dba=dibenzylideneacetone, SPhos=2-dicyclohexylphosphanyl-2′,6′-dimethoxybiphenyl) resulted in intramolecular cyclization to form the arylmethyl-substituted aziridine with concomitant CC bond formation. The experiments for the elucidation of the reaction mechanism are also described.
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Hayashi et al. (2009) studied this question.
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