title: Reaction of  -ketols and other 21-hydroxy steroids with phosgene. II. Structural requirements in the formation of 20-chloro-20,21-cyclic carbonates from 11-deoxycorticosterone and 11-dehydrocorticosterone.
mesh_terms: D002254:Carbonates / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D003345:Corticosterone / Q000138:chemical synthesis*; D003500:Cyclization; D003900:Desoxycorticosterone / Q000138:chemical synthesis*; D006868:Hydrolysis; D010084:Oxidation-Reduction; D010705:Phosgene; D013329:Structure-Activity Relationship
chemical_list: D002254:Carbonates; D010705:Phosgene; D003900:Desoxycorticosterone; D003345:Corticosterone