41524-06-5Relevant academic research and scientific papers
Vitamin D compounds and method of preparing these compounds
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, (2008/06/13)
The invention relates to a new vitamin D compound of the general formula STR1 wherein: R1 is a hydrogen atom or a hydroxy group; R2 is a (C1 -C3)alkyl group, a hydroxy(C1 -C3)alkyl group, a (C1 -C2)alkoxymethyl group or a (C2 -C3)alkenyl or alkynyl group; R3 is a branched or non-branched, saturated or unsaturated aliphatic 3- to 5 -membered hydrocarbon or oxahydrocarbon biradical, having at least 3 atoms in the main chain and being optionally substituted with one or more substituents selected from epoxy, fluoro and hydroxy; R4 is a sec. or tert. (C3 -C6)alkyl group or a (C3 -C6)cycloalkyl group; and A and B are each individually hydrogen atoms or methyl groups, or A and B form together a methylene group. The invention further relates to a method of preparing these compounds and to their use in pharmacotherapy and cosmetics.
