Epimerization process

Details Epimerization process Epimerization process

1977-03-31

1978-02-21

Gallagher, R. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260239A, 260343G, 2604482B, 260534M, 560 35, 560 39, 560 22, C07D51304

Patent

active

040752194

ABSTRACT:
A process for preparing the compound represented by the formula ##STR1## wherein the indicated carbon has the D-configuration which comprises dissolution of the compound in the L-configuration or as a mixture of the D and L-configurations in aqueous pyridine from which the compound having the D-configuration selectively crystallizes.

REFERENCES:
patent: 2450784 (1948-10-01), Duffin et al.
patent: 3966752 (1976-01-01), Asinger et al.

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