73197-96-3Relevant academic research and scientific papers
Influence of Fluorine and Oxygen Atoms at C-19 on the Previtamin D-Vitamin D Interconversion
Sialom, Bonita,Mazur, Yehuda
, p. 2201 - 2204 (2007/10/02)
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
