spectroscopy and X-ray crystallography. Excess acetophenone reacted with Ru(H2)H2(PPh3)3 to give RuH(o-C6H4C(O)CH3)(PPh3)3 (2), which loses triphenylphosphine upon addition of CO or DMSO to give RuH(o-C6H4C(O)CH3)(CO)(PPh3)2 (3) and RuH(o-C6H4C(O)CH3)(DMSO)(PPh3)2 (4), respectively. The X-ray crystal structures of both of these compounds have been determined. The activity for catalyzing the reaction of
钌络合物Ru(PPh 3)3(CO)(C 2 H 4)(1)和RuH(o -C 6 H 4 C(O)CH 3)(L)(PPh 3)2(2,L = PPh 3 ; 3,L = CO;4,L =
DMSO)已经制备出来,以评估其催化烯烃插入芳族酮的邻羟基键(Murai反应)的活性。在回流
甲苯中用
乙烯处理RuH 2(CO)(PPh 3)3,得到1,已通过多核NMR光谱学和X射线晶体学进行了表征。过量的
苯乙酮与Ru(H 2)H 2(PPh 3)3反应生成RuH(o -C 6 H 4 C(O)CH 3)(PPh 3)3(2),在添加CO或三
氯膦后失去三苯膦
DMSO生成RuH(o -C 6 H 4 C(O)CH 3)(CO)(PPh 3)2(3)和RuH(o -C 6 H 4 C(O)
CH3)(
DMSO)(PPh 3)2(4)。已经确定了这两种化合物的X射线晶体结构。催化2'-甲基
苯乙酮与三乙氧基
乙烯基硅烷反应的活性遵循RuH