Reactions of CpFe(CO)2()+, CpFe(CO)2[C(SMe)2]+ and related carbene complexes with reducing agents and nucleophiles. The structure of {CpFe(CO)2[C(SMe)2]}PF6
作者:George N. Glavee、Yingzhong Su、Robert A. Jacobson、Robert J. Angelici
DOI:10.1016/s0020-1693(00)83426-x
日期:1989.3
Abstract The reduction of CpFe(CO)2( COCH 2 CH 2 O )+ (I) with one equivalent of sodium naphthalenide (NaNp) yields [CpFe(CO)2]2 (II), CO2 and C2H4. The same reduction of CpFe(CO)2[C(SMe)2]+ (X), however, gives II, CpFe(CO)2[C(SMe)3] (XII), CpFe(CO)[C(SMe)(SMe)2] (XIII) and [CpFe(CO)- (SMe)]2. Small amounts (0.1 equivalent) of NaNp catalyze reactions of I and X with phosphines to give a mixture of
摘要用一当量的萘二甲酸钠(NaNp)还原CpFe(CO)2(COCH 2 CH 2 O)+(I)可得到[CpFe(CO)2] 2(II),CO2和C2H4。CpFe(CO)2 [= C(SMe)2] +(X)的相同还原得到II,CpFe(CO)2 [C(SMe)3](XII),CpFe(CO)[C( SMe)(SMe)2](XIII)和[CpFe(CO)-(SMe)] 2。少量(0.1当量)NaNp催化I和X与膦的反应,得到CO-和卡宾取代的产物CpFe(CO)(L)(COCH 2 CH 2 O)+,CpFe(CO)的混合物2(L)+,Cp-Fe(CO)(L)2+和CpFe(CO)(L)[C(SMe)2] +(L = PMePh2);提出了一种涉及自由基中间体的反应机理。配合物I与阴离子(I-,Cl-,MeO-,NCS-,PhCH2S-)反应,得到开环的烷氧羰基配合物CpFe(CO)2-