Process for the preparation of optically active secondary amines

Details Process for the preparation of optically active secondary amines Process for the preparation of optically active secondary amines

1988-07-19

1991-04-30

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

546147, 548470, 558354, 560 43, 562457, 564303, 564304, C07C20988

Patent

active

050119958

ABSTRACT:
Asymmetric hydrogenation of prochiral N-aliphatic ketimines to give optically active secondary amines at a temperature from -20.degree. to 80.degree. C., a hydrogen pressure of 10.sup.5 to 10.sup.7 Pa, with the addition of catalytic amounts of an iridium compound of the formula III or IIIa

REFERENCES:
patent: 2608583 (1952-08-01), Aschner
patent: 4187313 (1980-02-01), Gschwend et al.
patent: 4556740 (1985-12-01), Hansen et al.
"Organic Chemistry", 3rd Ed. pp. 636-637 (1973), Morrison et al.
Asymmetric Synthesis, vol. 5, pp. 13-23, (Academic Press, Inc.,), N.Y. (1985).
Inorganic Chemica Acta, p. 275 (1983).
J. of Organomet. Chem., 114, pp. 225-232 (1976).
J. Chem. Soc. (A), p. 2334 (1971).
J. of Molecular Catalysis, 22, pp. 283-287 (1984).

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