Influence of Fluorine and Oxygen Atoms at C-19 on the Previtamin D-Vitamin D Interconversion

DOI: 10.1021/jo01299a032

Source and publish data:

Journal of Organic Chemistry p. 2201 - 2204 (1980)

Update date:2022-08-02

Topics:

Authors:

Sialom, Bonita

Mazur, Yehuda

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Article abstract of DOI:10.1021/jo01299a032

19,19-Difluorocholesteryl acetate (6), prepared by fluorination of 19-oxocholesteryl acetate (5), was converted to the respective 5,7-diene (7) which, on irradiation, gave both 19,19-difluoroprevitamin D₃ (8) and 19,19-difluorotachysterol (9).O

Full text of DOI:10.1021/jo01299a032

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