Bis(alkoxycarbonyl) complexes of Pt [Pt(COOR)2L] [L = 1,2-bis(diphenylphosphino)ethane (dppe), 1,3-bis(diphenylphosphino)propane (dppp), 1,4-bis(diphenylphosphino)butane (dppb), 1,1'-bis(diphenylphosphino)ferrocene (dppf) or 1,2-bis(diphenylphosphino)benzene (dpb); R = Me, Ph or Et] were obtained by reaction of [PtCl2L] with CO and alkoxides. Pd and Ni complexes gave only carbonyl complexes [M(CO)L] or [M(CO)2L]. The new complexes were characterized by chem. and spectroscopic means. The x-ray structure of [Pt(COOMe)2(dppf)]·MeOH is also reported. The reactivity of some alkoxycarbonyl complexes was also studied.
Bis(alkoxycarbonyl) complexes of platinum: preparation, reactivity and their role in carbonylation reactions
VASAPOLLO, Giuseppe;
1994-01-01
Abstract
Bis(alkoxycarbonyl) complexes of Pt [Pt(COOR)2L] [L = 1,2-bis(diphenylphosphino)ethane (dppe), 1,3-bis(diphenylphosphino)propane (dppp), 1,4-bis(diphenylphosphino)butane (dppb), 1,1'-bis(diphenylphosphino)ferrocene (dppf) or 1,2-bis(diphenylphosphino)benzene (dpb); R = Me, Ph or Et] were obtained by reaction of [PtCl2L] with CO and alkoxides. Pd and Ni complexes gave only carbonyl complexes [M(CO)L] or [M(CO)2L]. The new complexes were characterized by chem. and spectroscopic means. The x-ray structure of [Pt(COOMe)2(dppf)]·MeOH is also reported. The reactivity of some alkoxycarbonyl complexes was also studied.File in questo prodotto:
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