Previtamin D3 with a trans-fused decalin CD-ring has pronounced genomic activity.

Abstract

Deletion of C19 in the structure of 1 alpha,25-dihydroxyvitamin D3 [1,25(OH)2D3] does not substantially alter the biological potency but prevents the conversion between the vitamin and the previtamin form. Hence, this modification allows the study of locked previtamin and vitamin forms. The locked 19-nor-1,25(OH)2-previtamin D3 analog (19-nor-previtamin D… (More)

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