Vitamin D derivatives
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Abstract
The object of the present invention is to provide vitamin D derivatives that have excellent physiological activities as medicines, particularly as therapeutic agents for skin diseases such as psoriasis, and that have a reduced hypercalcemic effect.
The present invention provides a vitamin D derivative of Formula (1):
-
- wherein
- X represents an oxygen atom or a sulfur atom;
- m represents a number of 1 to 3;
- R1 and R2 each represent a hydrogen atom or an alkyl group;
- R4 and R5 each represent a hydrogen atom or a hydroxyl group, etc.;
- R3 represents —YR8, etc.;
- R6 represents a hydrogen atom, etc.;
- R7 represents a hydrogen atom, etc.
- wherein
-
Citations
6 Claims
- 1. A compound of Formula (1):
-
2. {(1α
- ,3β
-Dihydroxy-9,10-secopregna-5,7,10(19),16-tetraen-20(S)-yl)oxy}-N-(2,2,3,3,3-pentafluoropropyl)acetamide.
- ,3β
Specification