A Bimetallic Complex Spanned by the C4H Ligand: Synthesis of [Cl(CO)2L2RuC⋮CCHCRuL2(η-C5H5)]PF6 (L = PPh3)
摘要:
The synthesis of the first example of a bimetallic complex spanned by the C4H alkynylvinylidene ligand, [Cl(CO)(2)L2RuC equivalent to CCH=C=RuL2(eta-C5H5)]PF6 (L = PPh3), is reported: the reaction of [Ru(CO)(2)L-3] with butadiyne provides [RuH(C equivalent to CC equivalent to CH)(CO)(2)L-2], which is converted to the chloro derivative [RuCl(C equivalent to CC equivalent to CH)(CO)(2)L-2] by N-chlorosuccinimide. Subsequent treatment with [Ru(tht)L-2(eta-C5H5)]PF6 provides [Cl(CO)(2)L2RuC equivalent to CCH equivalent to C equivalent to RuL2(eta-C5H5)]PF6, deprotonation of which affords [Cl(CO)(2)L2RuC equivalent to CC equivalent to CRuL2(eta-C5H5)].
A Bimetallic Complex Spanned by the C4H Ligand: Synthesis of [Cl(CO)2L2RuC⋮CCHCRuL2(η-C5H5)]PF6 (L = PPh3)
摘要:
The synthesis of the first example of a bimetallic complex spanned by the C4H alkynylvinylidene ligand, [Cl(CO)(2)L2RuC equivalent to CCH=C=RuL2(eta-C5H5)]PF6 (L = PPh3), is reported: the reaction of [Ru(CO)(2)L-3] with butadiyne provides [RuH(C equivalent to CC equivalent to CH)(CO)(2)L-2], which is converted to the chloro derivative [RuCl(C equivalent to CC equivalent to CH)(CO)(2)L-2] by N-chlorosuccinimide. Subsequent treatment with [Ru(tht)L-2(eta-C5H5)]PF6 provides [Cl(CO)(2)L2RuC equivalent to CCH equivalent to C equivalent to RuL2(eta-C5H5)]PF6, deprotonation of which affords [Cl(CO)(2)L2RuC equivalent to CC equivalent to CRuL2(eta-C5H5)].