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- W2072576123 abstract "Reactions between alkenylruthenium complexes of the type [Ru(CO)Cl(R′ CCHR)(PPh3)2] (R′ = R = H, Me, Ph; R′ = H, R = C3H7, CMe3, Ph) with dimethylacetylenedicarboxylate give mixed bis-insertion complexes of formula [Ru(CO)Cl{MeOOCCC(CO2Me)CR′ CHR}(PPh3)2], which have been isolated and characterized only in the case of terminal alkyne derivatives (R′ = H). This reaction is competitive with the simple displacement reaction of the non-activated acetylene by dimethyl acetylene-dicarboxylate. The complexes were characterized by elemental analysis and 1H NMR and IR spectroscopy. The molecular structure of [Ru(CO)Cl{MeOOCCC(CO2Me)CHCHCMe3})2], determined by X-ray diffraction, can be regarded as a distorted octahedral species, in which the butadienyl ligand acts as bidentate through an additional CO Ru bond involving a carboxylate oxygen atom, the atom pairs (P,P), (Cl,C) and (O,C) being in trans positions." @default.
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- W2072576123 date "1987-06-01" @default.
- W2072576123 modified "2023-09-27" @default.
- W2072576123 title "Insertion reactions of dimethyl acetylenedicarboxylate with alkenylruthenium complexes of the type [Ru(CO)Cl(R′CCHR)(PPh3)2]. The crystal structure of [RCCC(CO2Me)-CHCHCMe3}(PPh3)2]" @default.
- W2072576123 cites W2023177859 @default.
- W2072576123 doi "https://doi.org/10.1016/0022-328x(87)87013-4" @default.
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