Chemical modifications of androsta-1,4-diene-3,17-dione. II. Synthesis of 17-nor-vitamin D analogues having a hydroxy group at 1alpha-or 2beta-position and biological activity of 1alpha-hydroxy-17- nor-17,17-ethylenedioxyvitamin D.
D000818:Animals; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D007413:Intestinal Mucosa / Q000378:metabolism; D008297:Male; D008722:Methods; D051381:Rats; D013329:Structure-Activity Relationship; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000378:metabolism
D014807:Vitamin D; D002118:Calcium