Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic aci

Details Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic aci Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic aci

1993-08-30

1995-01-10

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

549 39, 562512, C07C 53126, C07C 6736, C07C 5302

Patent

active

053809203

ABSTRACT:
A process for preparing R/S-.gamma.-lipoic acid of the formula I or R/S-.alpha.-lipoic acid of the formula II ##STR1## is disclosed.

REFERENCES:
patent: 2993056 (1961-07-01), Segre et al.
patent: 4705867 (1987-11-01), Giray et al.
Chem. Abst. vol. 95, No. 7, Aug. 17 1981, #61574y. (1981).
Chem. Abst. vol. 63, No. 12, Dec. 6, 1965, #16355e. (1965).
J. Am. Chem. Soc 79 (1957) 3503-05.
J. Chem. Soc. Perkin I (1978) 1182.
CA 51:2795i (1956).

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