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Summary of main observation and conclusion Herein,we developed an Ir/phase-transfer-catalysis cooperatively catalyzed asymmetric cascade allylation/2-aza-Cope rearrangement of aldimine esters to prepare synthetically important homoallylic amines in good yields with excellent enantioselectivities.Compared with the bimetallic catalytic system to realize this transformation,the current cooperative Ir/tetrabutyl ammonium bromide catalytic system provides an altative but more practical approach,which not only simplify the manipulation process but also increase the cost efficiency.