17-Ethinyl-3-methoxy-18-methylestra-2,5(10)-diene-17-ol
17-Ethinyl-3,17-dihydroxy-18-methylestra-2,5(10)-diene3-methylether
CAS: 24377-29-5
Molecular Formula: C22H30O2
17-Ethinyl-3-methoxy-18-methylestra-2,5(10)-diene-17-ol - Names and Identifiers
17-Ethinyl-3-methoxy-18-methylestra-2,5(10)-diene-17-ol - Physico-chemical Properties
| Molecular Formula | C22H30O2 |
| Molar Mass | 326.48 |
| Physical and Chemical Properties | Crystallization. Melting point 140-150 ℃. |
17-Ethinyl-3-methoxy-18-methylestra-2,5(10)-diene-17-ol - References
| Use | an intermediate of norgestrel -18-methyl, triproterone. |
| production method | β-naphthol can be used for etherification, catalytic hydrogenation, oxidation of 6-methoxy-naphthalenone, however, (with vinyl magnesium bromide) addition, (with 1-ethyl-2, 5-cyclopentanedione) condensation, cyclization, the formation of 3-methoxy-18-methylestran-1, 3,5(10),8,14-penten-17-one, and then catalytic hydrogenation (14-position double bond), reduction (17-position ketone, 3-position double bond), oxidation (17-hydroxyl), (17-position ketone) the product was prepared by alkynylation. |
Last Update：2024-04-09 21:11:58
