9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate

CAS: 4735-65-3

Ref. TR-B780015

Produktinformation

• Name: 9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate
• Synonyme: Betamethasone Impurity 20
• Marke: TRC

Beschreibung

Applications 9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate is an intermediate used in the preparation of 9α-bromo-11β-hydroxy-substituted steroids and 6-hydroxycorticosteroids.
References Terasawa, T. & Okada, T.: Synth. Comm., 21, 307 (1991);

Chemische Eigenschaften

• Molekulargewicht: 495.403
• Formel: C₂₄H₃₁BrO₆
• Farbe/Form: Neat
• InChl: InChI=1S/C24H31BrO6/c1-13-9-18-17-6-5-15-10-16(27)7-8-21(15,3)23(17,25)19(28)11-22(18,4)24(13,30)20(29)12-31-14(2)26/h7-8,10,13,17-19,28,30H,5-6,9,11-12H2,1-4H3/t13-,17+,18-,19-,21?,22-,23-,24?/m0/s1
• InChI Key: InChIKey=PLVGDQKUTWULDB-ULIBNCJBSA-N
• SMILES: CC(=O)OCC(=O)C1(O)[C@@H](C)C[C@H]2[C@H]3CCC4=CC(=O)C=CC4(C)[C@@]3(Br)[C@@H](O)C[C@@]21C