分子内和分子间供体稳定的硅烷二基配合物(C 6 H 4 CH 2 NMe 2 -2)(Cl)Si的合成与化学行为ML n(4,ML n = Cr(CO)5 5,ML n = Fe(CO)4),(C 6 H 5 HC CH)(Cl)Si = ML n ·OP(NMe 2)3(21,ML n = Cr(CO)5 ; 22,ML n = Fe(CO)4)和(C 6讨论了H 5 HC CH)(C 6 H 5)Si Fe(CO)4 ·OP(NMe 2)3(23)。化合物4和5中的氯原子被不同的亲核试剂进行亲核取代,导致产生了更多种类的(C 6 H 4 CH 2 NMe 2 -2)(R)Si ML n(ML n = Cr) (CO)5: 7, R = CH 3;9,R = C 6。高5 ; 11,R = P(C 6 H 5)2;R = P(C 6 H 5)2。13,R = CH CH 2。ML n=
The synthesis of the inter- and intra-molecular donor-stabilized 1-metalla-2-sila-1,3-dienes Cl(H2C=CH)Si=ML(n) . OP(NMe(2))(3) [ML(n) = Fe(CO)(4) 3a, Cr(CO)(5) 3b], Ph(PhHC=CH)Si=Fe(CO)(4) . OP(NMe(2))(3) 3c and (C(6)H(4)CH(2)NMe(2)-2)(H2C=CH)Si=ML(n) [ML(n) = Fe(CO)(4) 6a, Cr(CO)(5) 6b] is described; the X-ray structures of compounds 3c and 6b are reported.