Ruthenium Tris(pyrazolyl)borate Complexes. Part 20 [1]. Synthesis,Characterization, and Reactivity of Neutral Trispyrazolylborate Ruthenium Vinylidene Complexes期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Ruthenium Tris(pyrazolyl)borate Complexes. Part 20 [1]. Synthesis,Characterization, and Reactivity of Neutral Trispyrazolylborate Ruthenium Vinylidene Complexes

Authors:	Sonja?Pavlik Roland?Schmid Email author" target="_blank">Karl?Kirchner Email author Kurt?Mereiter

Institution:	(1) Institute of Applied Synthetic Chemistry, Vienna University of Technology, A-1060 Vienna, Austria;(2) Institute of Chemical Technologies and Analytics, Vienna University of Technology, A-1060 Vienna, Austria

Abstract:	Summary. The reaction of RuTp(COD)Cl (1) with PPh₂Prⁱ and terminal alkynes HCCR (R=C₆H₅, C₄H₃S, C₆H₄OMe, Fc, C₆H₄–Fc, C₆H₉) affords the neutral vinylidene complexes RuTp(PPh₂Prⁱ) (Cl)(=C=CHR) (2a–2f) in high yields. These complexes do not react with MeOH to give methoxy carbene complexes of the type RuTp(PPh₂Prⁱ)(Cl)(=C(OMe)CH₂R), but react with oxygen to yield the CO complex RuTp(PPh₂R)(Cl)(CO) (3). The structures of 2b, 2f, and 3 have been determined by X-ray crystallography.

Keywords:	, Ruthenium, Hydridotrispyrazolylborate, Acetylenes, Vinylidene complexes, Structure analysis,
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