Bisisocyanide complexes of Zn(II) halides: Synthesis, structure, and application in the catalysis of isocyanides reaction with secondary amines

Lavnevich L V; Avdontseva M S; Kinzhalov M A; Bokach N A

doi:10.1134/S1070363217080199

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Bisisocyanide complexes of Zn(II) halides: Synthesis, structure, and application in the catalysis of isocyanides reaction with secondary amines

作者：Lavnevich L V; Avdontseva M S; Kinzhalov M A; Bokach N A

来源：Russian Journal of General Chemistry, 2017, 87(8): 1752-1758.

DOI：10.1134/S1070363217080199

摘要

Isocyanide zinc complexes [ZnX2(CNR)(2)] (X = Cl, Br, I; R = Xyl, Cy, Bu-t) have been prepared via the interaction of the corresponding zinc halides ZnX2 and isocyanide CNR in toluene at 100 degrees C (yield 64-77%) and characterized by the data of elemental analysis, mass spectrometry, IR and NMR spectroscopy, and X-ray diffraction analysis. The zinc complexes [ZnBr2(CNR)(2)] (R = Xyl, Cy) have been used as catalysts for the synthesis of formamidines (RN)-N-1=CHNR2 (2) [R-1 = Xyl, Cy; R-2 (2) = Et-2, (CH2)(4), (CH2CH2)(2)NMe, Me + CH2Ph] from isocyanides CNR1 and secondary amines HNR2 (2) in bulk (yield 92-98%).