ChemicalBook CAS DataBase List Flumethasone Impurity 6 (9-Chloro-Flumethasone)

Flumethasone Impurity 6 (9-Chloro-Flumethasone) synthesis

4synthesis methods

Product Name:Flumethasone Impurity 6 (9-Chloro-Flumethasone)
CAS Number:1355648-15-5
Molecular formula:C22H28ClFO5
Molecular Weight:426.91

6alpha-fluoro-17,21-dihydroxy-16alpha-methylpregna-1,4,9(11)-triene-3,20-dione 21-acetate

19788-77-3
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Flumethasone Impurity 6 (9-Chloro-Flumethasone)

1355648-15-5
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Yield:-

Steps:

Multi-step reaction with 2 steps
1: 1,3-dichloro-5,5-dimethylhydantoin; perchloric acid / water; tetrahydrofuran / 0 - 20 °C
2: potassium hydrogencarbonate; water / 1,4-dioxane; methanol / 72 h / 20 °C

References:

Tomašković, Linda;Komac, Marijana;Makaruha Stegić, Oresta;Munić, Vesna;Ralić, Jovica;Stanić, Barbara;Banjanac, Mihailo;Marković, Stribor;Hrvačić, Boška;Čipčić Paljetak, Hana;Padovan, Jasna;Glojnarić, Ines;Eraković Haber, Vesna;Mesić, Milan;Merćep, Mladen [Bioorganic and Medicinal Chemistry,2013,vol. 21,# 1,p. 321 - 332]

9beta,11beta-epoxy-6alpha-fluoro-17,21-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione

23961-95-7
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1355648-15-5
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References

Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-chloro-6-fluoro-11,17-dihydroxy-16-methyl-, (6α,11β,16α)-

1416690-84-0
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1355648-15-5
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References

9beta,11beta-epoxy-6alpha-fluoro-17,21-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 21-acetate

4571-51-1
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$625.00/10 mg

1355648-15-5
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References