Preparation of oxacycloalkenones

Details Preparation of oxacycloalkenones Preparation of oxacycloalkenones

1981-05-11

1983-03-15

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549292, 549275, 549271, C07D31306

Patent

active

043767338

ABSTRACT:
Oxacycloalkenones are prepared by reacting a cycloalkenone with a base in the presence of a dioxygen source in a suitable solvent and isolating the desired product. 1-Hydroxy 2-oxa-3-oxo-.DELTA..sup.4 steroids are convenient synthetic precursors to 2-oxa-3-oxo-.DELTA..sup.4 steroids which find use in modern clinical therapy.

REFERENCES:
patent: 2948740 (1960-08-01), Baran
patent: 3128283 (1964-04-01), Pappo
patent: 3644342 (1972-02-01), Chorvat et al.
Kocor et al., Tetrahedron, vol. 25, pp. 4257-4264, 1969.

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