Method for making hydroxy-25-ene-vitamin D compounds
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United States of America Patent
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Issued Date -
Jan 9, 2003
app pub date -
Aug 26, 2002
filing date -
May 29, 1998
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method for preparing a novel class of vitamin D compounds in which the C-25 or equivalent position has a double bond. In addition, the side chain is optionally extended by one or two methylene or methyne groups. The compounds prepared by the method of the present invention are of value as prodrugs for active 1.alpha., 24-dihydroxylated vitamin D compounds.
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