- PREPARATION AND CATALYTIC PROPERTIES OF CATIONIC RHODIUM(I) COMPLEXES CONTAINING 2,2'-BIS(DIPHENYLPHOSPHINO)BIPHENYL
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Complexes of the type X (cod is 1,5-cyclooctadiene, bpbp is 2,2'-bis(diphenylphosphino)biphenyl, and X is Cl-, d-α-bromocamphor-?-sulfonate -, PF6- or B(C6H5)4-) are discussed, was obtained in optically active form.The catalytic activities of these complexes were evaluated through the hydrogenation in 2-acetamidoacrylic acid (AAA) and α-acetamidocinnamic acid (ACA).They are so active that in their presence hydrogenation takes place at ambient temperatures and pressures.Hydrogenations by the use of the (+)589-forms gave optically active N-acetyl-(R)-alanine and N-acetyl-(R)-phenylalanine.
- Uehara, Akira,Bailar, John C.
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