
Tetrahedron Letters p. 6057 - 6060 (1991)
Update date:2022-08-03
Topics:
Kiegiel
Wovkulich
Uskokovic
Vitamin D3 (6) has been converted to the 1,25-dihydroxy vitamin D3 metabolite (1) and the 1α-fluoro derivative 2 via a new process. The strategy involved the cleavage of the ring A portion from the CD portion in vitamin D3
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