reported to date for bimetallic compounds. The bimetallic σ-enynyl complex [Ru(C⋮CCHCH(η5-C5H4)Fe(η5-C5H5)(η5-C9H7)(PPh3)2] [(E)-18] was obtained stereoselectively from the alkynyl−phosphonio complex 6, LinBu, and η5-C5H4(CHO)}Fe(η5-C5H5). Protonation of (E)-18 with HBF4 yields the vinylidene derivative [Ru=CC(H)CHCH(η5-C5H4)Fe(η5-C5H5)}(η5-C9H7)(PPh3)2][BF4] (19). Quadratic hyperpolarizabilities for these
σ-炔基复合物的[Ru(C⋮C-C 6 H ^ 4 R-4)(η 5 -C 9 ħ 7)L- 2 ](L = PPH 3,R = NO 2(图3a),C⋮C-C 6 H 4 NO 2 -4(4),N CH-C 6 H 4 NO 2 -4(5); L 2 = 1,2-双(
二苯基膦基)
乙烷(dppe),R = NO 2(3b); L 2 =双(
二苯基膦基)
甲烷(dppm),R = NO 2(3c))已经制备通过将[RuCl(η的反应5 -C 9 ħ 7)L- 2 ](1A - ç与HC⋮C-C)6 ħ 4 R-4和的NaPF 6,经由对应的中间偏二
脱质子衍生品。所述炔基的phosphonio复杂治疗的[Ru C⋮CCH 2(PPH 3)}(η 5 -C 9 ħ 7)(PPH 3)2 ] [PF 6 ](6)与Li Ñ卜和适当的醛或
酮的产率,通过维悌希反应的类型,σ-enynyl络合物的[Ru