illustrated in the reactivity of 1 toward a variety of reagents. Reactions of 1 with primary silanes RSiH3 (R = Ph, nBu) at 60 °C afforded ethane and the disilyl hydride manganese complexes [(dmpe)2MnH(SiH2R)2] (4a, R = Ph; 4b, R = nBu). Additionally, reaction with H2 at 60 °C afforded ethane and the dihydrogen hydride complex [(dmpe)2MnH(H2)] (5), which has previously been prepared by an alternate route
威尔
金森的
锰(I)氢化
乙烯络合物反式-[(
DMPe)2 MnH(C 2 H 4)](1)作为低配位
锰(I)乙基络合物的来源进行反应。1对多种试剂的反应性说明了这一点。的反应1与伯
硅烷RSiH 3(R = PH,Ñ卜)在60℃下,得到的
乙烷和二甲
硅烷基
氢化物锰配合物[(
DMPE)2 MNH
硅烷(SiH 2 R)2 ](图4a,R = Ph值;图4b, R = n Bu)。另外,与H 2反应在60℃下,得到
乙烷和氢化二氢络合物[(
DMPe)2 MnH(H 2)](5),其先前已通过另一种方法制备。拟议的低配位中间体,[(
DMPe)2 MnEt],在光谱上没有观察到,但可以用异腈
配体捕获。的反应1用CNR(R =吨卜,ö -二
甲苯),得到
锰(I)乙基配合物[(
DMPE)2 MNET(CNR)](图6a,R =吨卜;图6b,R = Õ -二
甲苯)。乙基络合物6a没有与CN t进一步反应Bu在80°