Process and intermediates for the manufacture of (3aS, 6aR)-1,3-

Details Process and intermediates for the manufacture of (3aS, 6aR)-1,3- Process and intermediates for the manufacture of (3aS, 6aR)-1,3-

1982-11-12

1984-07-31

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548321, 2602395, C07D23340, C07D491048, C07J 0000

Patent

active

044631804

ABSTRACT:
A process for the manufacture of the optically active lactone of the formula ##STR1## wherein R represents the benzyl group, is described. In this process an optically active compound of the formula ##STR2## wherein R has the above significance and R.sup.1 signifies the cholesteryl or the cyclohexyl group,
is reduced with a dialkylaluminium hydride or a complex borohydride.
The compound of formula I is a known, valuable intermediate for, inter alia, (+)-biotin.

REFERENCES:
patent: 3700659 (1972-10-01), Gerecke et al.

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