Abstract
Isocyanide zinc complexes [ZnX2(CNR)2] (X = Cl, Br, I; R = Xyl, Cy, But) have been prepared via the interaction of the corresponding zinc halides ZnX2 and isocyanide CNR in toluene at 100°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, Сy) have been used as catalysts for the synthesis of formamidines R1N=CHNR2 2 [R1 = Xyl, Сy; R2 2 = Et2, (CH2)4, (CH2CH2)2NMe, Me + CH2Ph] from isocyanides CNR1 and secondary amines HNR2 2 in bulk (yield 92–98%).
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