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The reaction of propargylsilane magnesium bromide with aldimines provides in some cases, an isomeric mixture of three acetylenic amines 1, 2, 3 (1 and 2, as major products). The reaction has great potential and has been exploited for an efficient synthesis of the pure amine 2.doaj:40e2a029b5eb4b9c80352c72ea21b8cf fatcat:532g5jhmnndkloam2qn663s6gy