Use of borohydride-salt lanthanide salt reagents for stereo sele

Details Use of borohydride-salt lanthanide salt reagents for stereo sele Use of borohydride-salt lanthanide salt reagents for stereo sele

1984-02-17

1988-04-19

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 60, 546269, C07D30793

Patent

active

047390786

ABSTRACT:
The present invention provides a novel process for reducing 15-keto prostaglandin intermediates. This process stereospecifically reduces these 15-keto intermediates using sodium borohydride and ceriumtrichloride, yielding a predominance of the 15.alpha. epimer.

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patent: 3965116 (1976-06-01), Cram
patent: 4052446 (1977-10-01), Holland et al.
patent: 4301164 (1981-11-01), Ohno et al.
Grieco et al., J. Org. Chem., vol. 44, 1979, pp. 2194-2199.
Gemal et al., J. Amer. Chem. Soc., 103:5454 (1981).
Luche, J. Amer. Chem. Soc., 100:2226 (1978).

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