Asymmetrically modified boron hydride type compound, a productio

Details Asymmetrically modified boron hydride type compound, a productio Asymmetrically modified boron hydride type compound, a productio

1985-09-30

1988-07-26

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548341, 564 8, 564 9, C07D24908

Patent

active

047601493

ABSTRACT:
The present invention relates to an asymmetrically modified borohydride type compound obtained by reacting an optically active amino alcohol represented by the formula, ##STR1## or its salt with an acid with a borohydride compound; its production method; and a method for producing an optically active alcohol derivative useful as fungicides, herbicides or plant growth regulators and represented by the formula, ##STR2## which comprises asymmetrically reducing a ketone compound represented by the formula, ##STR3## with the asymmetrically modified borohydride type compound.

REFERENCES:
patent: 4435203 (1984-03-01), Funaki et al.
patent: 4554007 (1985-11-01), Funaki et al.
Borch, JOC 37 (1972) 2347.
Itsuno et al. I, JCS Chem. Comm. (1983) 469.
Itsuno et al II, "Asymmetric Synthesis, etc" 1983 CA 100:22184y 1983.
Itsuno et al. III, "Asymmetric Reduction, etc" 1984 CA 100:67806u 1984.
J. Chem. Soc. Perkin I, 1981, pp. 231-235, London, GB; M. F. Grundon et al. "Asymmetric Induction. Part 3. 1,2 Asymmetric Reduction of Ketones . . . ".

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