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2010-12-08T12:00:31+01:00
2010-11-12T13:12:13Z
2010-12-08T12:00:31+01:00
Jouve S.A., EPO - Publication - KB, TaggedPDF v1.27
EP-0271310-A2-19880615
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EP-0271310-A2-19880615
A ruthenium-phosphine complex having a 2,2ʹbis(diarylphosphino)-6,6ʹ-dimethylbiphenyl ligand (L) is of the general formula: wherein R represents a hydrogen atom or a methyl or methoxy group; and X represents ClO₄, BF₄ or PF₆.9 specific complexes are shown.Synthesis is by reacting Ru₂Cl₄(L)₂N(C₂H₅)₃ with a salt MX where M is a metal (Na, K, Li, Mg or Ag) in a mixed solvent of water and methylene chloride in a quaternary ammonium or phosphonium salt as phase transfer catalyst.The complex is inexpensive and exhibits excellent performance as a catalyst for various organic syntheses, particularly for asymmetric hydrogenation, e.g. of an α,β-unsaturated carboxylic acid.
A ruthenium-phosphine complex having a 2,2ʹbis(diarylphosphino)-6,6ʹ-dimethylbiphenyl ligand (L) is of the general formula: wherein R represents a hydrogen atom or a methyl or methoxy group; and X represents ClO₄, BF₄ or PF₆.9 specific complexes are shown.Synthesis is by reacting Ru₂Cl₄(L)₂N(C₂H₅)₃ with a salt MX where M is a metal (Na, K, Li, Mg or Ag) in a mixed solvent of water and methylene chloride in a quaternary ammonium or phosphonium salt as phase transfer catalyst.The complex is inexpensive and exhibits excellent performance as a catalyst for various organic syntheses, particularly for asymmetric hydrogenation, e.g. of an α,β-unsaturated carboxylic acid.
en
European Patent Office
EP0271310
EP 0271310
C07F 15/00
C07B 53/00
C07C 51/36
Ruthenium-phosphine complexes
Ruthenium-phosphine complexes - European Patent Office - EP 0271310 A2
Ruthenium-phosphine complexes - European Patent Office - EP 0271310 A2
Adobe PDF Library 8.0
"EP0271310"; "EP 0271310"; "C07F 15/00"; "C07B 53/00"; "C07C 51/36"; "Ruthenium-phosphine complexes"
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0271310
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1988-06-15
87310761
1987-12-08
JP
29307686
1986-12-09
C07F 15/00
C07B 53/00
C07C 51/36
Takasago International Corporation
Sayo, Noboru
Kumobayashi, Hidenori
Taketomi, Takanao
Akutagawa, Susumu
DELETED Diamond, Bryan Clive (GB)R. 102(1), 2. Alternative28.12.1995 et al
Ruthenium-phosphine complexes
Ruthenium-Phosphin-Komplexe
Ruthenium-phosphine complexes
Complexes ruthénium-phosphine
A ruthenium-phosphine complex having a 2,2ʹbis(diarylphosphino)-6,6ʹ-dimethylbiphenyl ligand (L) is of the general formula: wherein R represents a hydrogen atom or a methyl or methoxy group; and X represents ClO₄, BF₄ or PF₆.9 specific complexes are shown.Synthesis is by reacting Ru₂Cl₄(L)₂N(C₂H₅)₃ with a salt MX where M is a metal (Na, K, Li, Mg or Ag) in a mixed solvent of water and methylene chloride in a quaternary ammonium or phosphonium salt as phase transfer catalyst.The complex is inexpensive and exhibits excellent performance as a catalyst for various organic syntheses, particularly for asymmetric hydrogenation, e.g. of an α,β-unsaturated carboxylic acid.
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