Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-16-methyl-, (16α)-
21-Acetyloxy-17-hydroxy-16-methylpregn-4-ene-3,20-dione
CAS: 426-43-7
Molecular Formula: C24H34O5
Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-16-methyl-, (16α)- - Names and Identifiers
Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-16-methyl-, (16α)- - Physico-chemical Properties
| Molecular Formula | C24H34O5 |
| Molar Mass | 402.52 |
| Physical and Chemical Properties | Chemical properties crystallization. Melting point 167-170 ℃. |
| Use | Use an intermediate of dexamethasone acetate. |
Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-16-methyl-, (16α)- - Production method
3 β-hydroxygestrol -5 can be used, 16-Dien-20-keto-3-acetate (that is, gestational dienolone acetate is added and eliminated by (16-position double bond and nitrosomethyl urea) (introduction of 16-position methyl), 16-position double bond epoxidation, (epoxy group) ring opening (formation of 17 α-hydroxyl and 15-position double bond), (15-position double bond) catalytic hydrogenation, hydrolysis (removal of 3-position acetyl, (3-position hydroxyl) oxidation (formation of 3-position ketone group, 5-position double bond to 4-position), (21-position) iodination, (iodine atom with acetoxy) after replacement to make this product.
Last Update：2024-04-10 22:29:15
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Spot supply
Product Name: Clascoterone Impurity 15 Visit Supplier Webpage Request for quotationCAS: 426-43-7
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
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