配合物顺式-[M(CO)2(dmpe)2 ](M = Cr或Mo; dmpe为Me 2 PCH 2 CH 2 PMe 2)与卤代烷RX反应[RX为CX 4(X = Cl或Br) ,C 2
氯6,4-YC 6 ħ 4 CH 2 X(Y = H,X =
氯,
溴,或I; Y = NO 2,X = Br的)中,Ph 2
CHBr,R 3 CX(R =苯基,X = Cl; R = Me,X = I)或CH 2 C(R)CH 2 X(R = Me,X = Cl; R = H,X = Br)]形成反式-[M(CO )2(dmpe)2] X(M = Cr或Mo),然后是顺式-[M(CO)2(dmpe)2 X] X或反式-[
MH(CO)2(dmpe)2 ] X(M =仅Mo)。该反应已通过红外,电镜和电子光谱学进行了研究,在某些情况下,已将反应速率作为RX浓度的函数进行了测量。通过esr测量和对自旋阱(亚硝基
脲