title: A new efficient method for conversion of corticosteroid 17 alpha,21-cyclic ortho esters to 17 alpha-acyloxy-21-chloro-21-deoxy derivatives.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000138:chemical synthesis* / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D008297:Male; D011245:Pregnadienes / Q000138:chemical synthesis; D014662:Vasoconstrictor Agents / Q000138:chemical synthesis*
chemical_list: D000305:Adrenal Cortex Hormones; D011245:Pregnadienes; D014662:Vasoconstrictor Agents