Process and intermediates for the preparation of 17 alphahydroxy

Details Process and intermediates for the preparation of 17 alphahydroxy Process and intermediates for the preparation of 17 alphahydroxy

1984-11-01

1986-09-23

Roberts, Elbert L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

26039745, 540 63, 540 64, 540 69, 540 70, 540 88, 540 89, C07J 2100

Patent

active

046134638

ABSTRACT:
This invention discloses an improved process for the production of corticoids from 17.alpha.-hydroxy steroids utilizing peroxymonosulfate.

REFERENCES:
patent: 3822114 (1974-07-01), Montgomery
patent: 3998829 (1976-12-01), Phillips et al.
patent: 4041055 (1977-08-01), Shephard et al.
DiFuria, F., et al., "Mechanism of Oxygen Transfer from Peroxo Species", Pure. & Appl. Chem., vol. 54, No. 10, pp. 1853-1866 (1982);
Montgomery, R. E., et al., "Catalyst of Peroxymonosulfate Reactions by Ketones", JACS, 96, 7820-7821 (1974);
Edwards, J. O., et al., "On the Formation and Reactivity of Dioxirane Intermediates in the Reaction of Peroxoanions with Organic Substrates*", Photochemistry and Photobiology, vol. 30, pp. 63-70 (1979);
Gallopo, A. R., et al., "Kinetics and Mechanism of the Oxidation of Pyridine by Caro's Acid Catalyzed by Ketones", J. Org. Chem. 46, pp. 1684-1688 (1981).
Curci, R., et al., "Epoxidation of Alkenes by Dioxirane Intermediates Generated in the Reaction of Potassium Caroate with Ketones", J. Org. Chem. 45, pp. 4758-4760 (1980);
Suryawanski S. N., et al., "Synthesis of Gamma-Hydroxy Enones via Persulfate Oxidation of Dienyl Ethers", Tetrahedron Letters, 22, pp. 4203-4204 (1981).
Mimoun H., "Oxygen Transfer from Inorganic and Organic Peroxides to Organic Substrates: A Common Mechanism?", Angew. Chem. Int. Ed. Engl., 21, pp. 734-750 (1982).

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