Transition-metal carbene complexes. Part XII. Substituent and steric effects in aminocarbene complexes of chromium

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Abstract
The preparation of a series of aminocarbenepentacarbonylchromium complexes of the type (CO)5CrC(Me)NR1R2 is reported. The influence of steric and of substituent effects upon the physical properties of the complexes has been investigated. Attention is drawn to elimination reactions which may occur during the preparation of aminocarbene complexes with secondary amines.