Process for the production of optically active 1-benzyl-3,4-bis-

Details Process for the production of optically active 1-benzyl-3,4-bis- Process for the production of optically active 1-benzyl-3,4-bis-

1985-12-04

1987-05-26

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548402, C07F 965

Patent

active

046687955

ABSTRACT:
Optically active 1-benzyl-3,4-bis-(diphenylphosphino)-pyrrolidine is produced in a three-step process from optically active 1-benzyl-2,5-dioxo-3,4-dihydroxy-pyrrolidine. The product is useful as a chiral ligand in rhodium complexes which serve as catalysts for the homogeneous asymmetric hydrogenation of prochiral substrates.

REFERENCES:
patent: 4424312 (1984-01-01), Stille
patent: 4539411 (1985-09-01), Broger et al.
Bourson, et al., J. Organometallic Chem., vol. 229, pp. 77-84 (1982).
Nagel, Angew. Chem. Int. Ed. Engl., vol. 23, No. 6, pp. 435-436 (06/84).

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