In-situ preparation of diisopinocamphenyl chloroborane

Details In-situ preparation of diisopinocamphenyl chloroborane In-situ preparation of diisopinocamphenyl chloroborane

1992-03-23

1994-03-08

Killos, Paul J.

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

Organic compounds

Boron halides (i.e., compounds having halogen attached...

560 51, 560 60, C07F 502

Patent

active

052929469

ABSTRACT:
The present invention is directed to in-situ preparation of diisopinocamphenylchloroborane, and the use of same in the reduction of prochiral ketones to optically active alcohols such as those of formula B. ##STR1## The compound of Formula B is useful in the production 2,5-diaryltetrahydrofurans useful as PAF antagonists.

REFERENCES:
J. Org. Chem. 1984, 49, 945-947.
Chemical Abstracts 104(9):69021r, 1985.

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