Catalytic Coupling of Terminal Alkynes with Isonitriles Promoted by Organoactinide Complexes
作者:Eyal Barnea、Tamer Andrea、Moshe Kapon、Jean-Claude Berthet、Michel Ephritikhine、Moris S. Eisen
DOI:10.1021/ja046604a
日期:2004.9.1
The coupling reaction of terminal alkynes and tert-butylisonitrile to yield substituted alpha,beta-acetylenic aldimines is catalyzed by the organoactinide neutral complexes Cp*2AnMe2 (Cp* = C5Me5, An = Th, U) and the cationic complex [(Et2N)3U][BPh4]. The reaction proceeds by a 1,1-insertion of the isonitrile into the metal-acetylide bond. Additional insertion products can be obtained by altering the catalyst and the reactant ratios. A plausible mechanism for the catalytic reaction is presented, in addition to the crystal structure of Cp*2UMe2
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DOI:——
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