通过末端乙炔与甲基钌配合物的缩合反应,合成了一系列双核和三核,乙炔桥联的钌(II)配合物。双核钌(II)配合物的反式,反式- (RC≡C)的Ru(DMPE)2(μ-C≡CC 6 ħ 4 C≡C)的Ru(C≡CR')(DMPE)2(R = R'= Ph; R = R'= t Bu; R = Ph,R'= t Bu; R = t Bu,R'= 3,5- t Bu 2 -C 6 H 3)是通过反式-( CH 3)Ru(dmpe)2(C≡CR)与所述非对称的双(acetylido)钌(II)配合物的反式- (R'C≡C)的Ru(DMPE)2(C≡CC 6 ħ 4 C≡CH)在环境温度和压力。这些复合物完全表征通过NMR光谱,和反式,反- (吨BuC≡C)的Ru(DMPE)2(μ-C≡CC 6 ħ 4 C≡C)的Ru(DMPE)2(C≡C吨丁基)在结晶学上被表征。对称三核钌(II)配合物的反式,反式,反式-
通过末端乙炔与甲基钌配合物的缩合反应,合成了一系列双核和三核,乙炔桥联的钌(II)配合物。双核钌(II)配合物的反式,反式- (RC≡C)的Ru(DMPE)2(μ-C≡CC 6 ħ 4 C≡C)的Ru(C≡CR')(DMPE)2(R = R'= Ph; R = R'= t Bu; R = Ph,R'= t Bu; R = t Bu,R'= 3,5- t Bu 2 -C 6 H 3)是通过反式-( CH 3)Ru(dmpe)2(C≡CR)与所述非对称的双(acetylido)钌(II)配合物的反式- (R'C≡C)的Ru(DMPE)2(C≡CC 6 ħ 4 C≡CH)在环境温度和压力。这些复合物完全表征通过NMR光谱,和反式,反- (吨BuC≡C)的Ru(DMPE)2(μ-C≡CC 6 ħ 4 C≡C)的Ru(DMPE)2(C≡C吨丁基)在结晶学上被表征。对称三核钌(II)配合物的反式,反式,反式-
Mono- and Bis-acetylidoruthenium(II) Complexes by Controlled Metathesis of Methylruthenium Complexes with Acetylenes
作者:Leslie D. Field、Alison M. Magill、Timothy K. Shearer、Scott J. Dalgarno、Peter Turner
DOI:10.1021/om7004063
日期:2007.9.1
Acetylido methyl ruthenium(II) complexes, trans-Ru(C CR)(CH3)(dmpe)(2), were synthesized in a single metathesis reaction from trans-Ru(CH3)2(dmpe)2 at ambient temperature; at elevated temperatures the reaction yields trans-Ru(C CR)(2)(dmpe)(2). Addition of a second terminal acetylene to a methanol solution of trans-Ru(C CR)(CH3)(dmpe)(2) results in the formation of trans-Ru(C CR)(C CR')(dmpe)(2).