摘要:
亚烯基配合物反式-[FeBr(C C CRR')(depe)2 ] [Y](R = Me,R'= Ph,1 ; R = R'= Ph,2 ; R = R'= Et,3;; depe = Et 2 PCH 2 CH 2 PEt 2; Y = BF 4,BPh 4)是通过反式-[FeBr 2(depe)2 ]与适当的炔醇HC⋮CCRR'(OH)在MeOH和在Na [BF 4 ]或Na [BPh 4 ]的存在下。去质子化3或亲核γ-除了2导致中性烯基和炔基络合物反式-[FeBr {-C⋮CC(CHMe)Et}(depe)2 ](4)和反式-[FeBr(-C⋮CCPh 2 R'')(depe)2 ] (R′′= CN(5a),MeO(5b))。络合物2(Y = BPh 4)还导致阳离子炔基化合物反式-[Fe(NCMe){-C⋮CCPh 2(X)}(depe)2 ] [BPh 4 ](X = NMe