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• W1973497295 abstract "The activation of several functional alkynes HCC–CC–Ph (a), HCCCOCHPh2 (b) and HCC–CHOH–CHPh2 (c) with the precursor [RuCl(dppe)2]PF6 [RuCl(dppe)2={Ru}], in situ generated from RuCl2(dppe)2/NaPF6, has been performed. It selectively produces the buta-1,2,3-trienylidene {Ru}CCCCHR]+PF6− intermediates (I) from a, and acylvinylidene complexes {Ru}CCH–COR]+PF6− [R=CH2Ph (3) and R=CHPh2 (5)] from a and b and {Ru}CCH–CHCPh2]+PF6− (10) from c. The deprotonation of 3, 5 and 10, respectively, affords acylalkynyl derivatives {Ru}–CC–CO–R] 4, 6 and {Ru}–CC–CHCPh2] 11. The X-ray diffraction study of trans-[(Cl)(dppe)2RuCCHCOCH2Ph]O3SCF3 3, obtained by reaction of {Ru}–CC–CCPh] with CF3SO3H and water, has been carried out. Crystal data are: a 13.362(4), b 23.669(4), c 42.218(6) Å, orthorhombic space group Pbca, Z=8. The structure shows Ru–C(1) (1.77(1) Å) and C(1)–C(2) (1.36(2) Å) bond distances." @default.
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• W1973497295 date "1998-08-01" @default.
• W1973497295 modified "2023-09-25" @default.
• W1973497295 title "Buta-1,2,3-trienylidene, acylvinylidene and acylalkynyl ruthenium complexes via activation of alkynes with RuCl2(dppe)2. X-ray structure of trans-[Ru(CCHCOCH2Ph)(Cl)(dppe)2]O3SCF3" @default.
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• W1973497295 doi "https://doi.org/10.1016/s0022-328x(98)00443-4" @default.
• W1973497295 hasPublicationYear "1998" @default.
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