19-Nor-vitamin D compounds

Details 19-Nor-vitamin D compounds 19-Nor-vitamin D compounds

1995-05-23

1997-04-01

Prior, Kimberly J.

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

Organic compounds

9,10-seco-cyclopentanohydrophenanthrene ring system or...

556443, C07C40100

Patent

active

056167440

ABSTRACT:
A 19-nor intermediate compound of the formula ##STR1## where R is the sidechain of a vitamin D derivative and where X.sub.1 and X.sub.2 are hydrogen or a hydroxy protecting group. The compounds are used in the preparation of 19-nor-vitamin D end products.

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