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US 7,402,688 B2Granted
2,2-Di-substituted 1alpha,25-dihydroxy-19-norvitamin D derivative
AssigneeWisconsin Alumni Research Foundation
InventorsSachiko Yamada, Masato Shimizu, Yukiko Miyamoto
Life of this patent
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Abstract
A novel 2,2-di-substituted 19-norvitamin D derivative. It is a compound represented by the general formula (I) wherein R1 and R2 are the same or different and each represents hydroxy and A represents hydrogen, or an unsubstituted linear or branched alkyl.
Claims4
A compound having the formula:
- where Z may be the same or different and represents a hydrogen atom or a hydroxy protecting group.
24,26,27-trihomo-1α,25-dihydroxy2β,2′-epoxy-22,24-dien-19-norvitamin D3 having the formula:
24,26,27-trihomo-1α,25-dihydroxy2α,2′-epoxy-22,24-dien-19-norvitamin D3 having the formula:
Dependencies are inferred from the claim text.