| Name | 3-Acetyloxy-17-hydroxy-16-methylpregn-5-en-20-one |
| Synonyms | 3-Acetyloxy-17-hydroxy-16-methylpregn-5-en-20-one 3,17-Dihydroxy-16-methylpregn-5-en-20-one 3-acetate |
| CAS | 1249-66-7 |
| Physical and Chemical Properties | Chemical properties crystallization (ethanol). Melting point> 190 ℃. |
| Use | Use an intermediate of dexamethasone acetate. |
3 β-hydroxygestrol -5 can be used, 16-diene-20-keto-3-acetate is gestational dienolone acetate by (16-position double bond and nitrosomethyl urea) addition and elimination (introduction of 16 β-methyl), (16-position double bond) epoxidation, (epoxy) ring opening (formation of 17 α-hydroxyl, 15-position double bond), (15-position double bond) catalytic hydrogenation to prepare the product.