Synthesis and characterisation of the aminocarbene complexes [(η5-C5H5)Fe(CO)(PPh3){[double bond, length half m-dash]C(NHR2)(CH2R1)}]+BF4 [R1 = H, Me or Pr; R2 = H, Me, Et, CHMe2, CH2Ph, CH(Me)Ph, CH2CH[double bond, length half m-dash]CH2 or CH2CH2OH]

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Stephen G. Davies, Alison J. Edwards, Simon Jones, Michael R. Metzler, Kazuo Yanada and Reiko Yanada


Abstract

A number of secondary aminocarbenes of the type (RS[hair space])-[(η5-C5H5)Fe(CO)(PPh3){[double bond, length half m-dash]C(CH2R1)(NHR2)}]+BF4 were synthesised in very good yield [66–99%, R1 = H, Me or Pr; R2 = H, Me, Et, CHMe2, CH2Ph, CH(Me)Ph, CH2CH[double bond, length half m-dash]CH2 or CH2CH2OH]. The absolute configuration of one of the carbenes was established by a single-crystal X-ray diffraction experiment. The chemistry of the carbene complexes was investigated.


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