Optically active borane complex and a method for producing an op

Details Optically active borane complex and a method for producing an op Optically active borane complex and a method for producing an op

1985-07-01

1988-06-07

Hollrah, Glennon H.

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

Organic compounds

Nitriles

548262, 548341, 558354, 558422, 560 42, 564 9, C07F 502, C07D24908, C07D23360

Patent

active

047498099

ABSTRACT:
The present invention relates to an optically active borane complex represented by the general formula, ##STR1## wherein R.sup.1 represents an aryl group, R.sup.2 represents an alkyl group and a mark * means an asymmetric carbon, and a method for producing optically active alcohol derivatives by the reduction of prochiral ketones with said borane complex. The optically active alcohol derivative is useful for fungicides, herbicides or plant growth regulators.

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Itsuno et al, I, JCS Chem Comm, 469 (1983).
Itsuno et al II, "Asymmetric Synthesis, etc.", (1983), CA 100: 22184y, 1984.
Itsuno et al III, "Asymmetric Reduction, etc.", (1984), CA 100: 67806u, 1984.
Ferbes, M., "Some 1,1-Dimethyl-1,2-Azoboracyclo-, etc.", Index Chemicus 31, 102214 (1968).
Hawthorne, M. F., "Amine Boranes, IX. Dialkyamino, etc.", JACS 83 2671 (1961).
J.C.S. Perkin I, pp. 231-235 (1981), Grundon et al, "Asymmetric Induction. Part 3..sup.1,2 Asymmetric Reduction of Ketones with Amine-Boranes in . . . ".
Chemical Abstracts, 97, p. 733, 97: 127690h (1982).

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