New Bis-biphosphole−Transition-Metal Complexes:  Spontaneous Isomerization of trans- m eso- into cis-(±)-[Ru(trifluoroacetate)2(1,1‘-diphenyl-3,3‘,4,4‘- tetramethyl-2,2‘-biphosphole)2]

The reaction of [Ru2(O2CCF3)2(μ-O2CCF3)2(COD)2(μ-H2O)] with 1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole (1) provides trans-meso-[Ru(trifluoroacetate)2(1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole)2] complex 3, which spontaneously isomerizes in solution into cis-(±)-[Ru(trifluoroacet...

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Bibliographic Details
Published in:Organometallics 1998-12, Vol.17 (26), p.5927-5930
Main Authors: Tissot, Olivier, Gouygou, Maryse, Daran, Jean-Claude, Balavoine, Gilbert G. A
Format: Article
Language:English
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Summary:The reaction of [Ru2(O2CCF3)2(μ-O2CCF3)2(COD)2(μ-H2O)] with 1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole (1) provides trans-meso-[Ru(trifluoroacetate)2(1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole)2] complex 3, which spontaneously isomerizes in solution into cis-(±)-[Ru(trifluoroacetate)2(1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole)2] complex 4. These new bis-biphosphole−ruthenium complexes have been characterized by X-ray diffraction.
ISSN:0276-7333
1520-6041
DOI:10.1021/om980667i