18,20-Lactone of 3β-Acetoxy-20β-Hydroxy-5-Pregnene-18-Oic Acid
Autor: | Ch. Meystre, K. Heusler, P. Wieland |
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Rok vydání: | 2003 |
Předmět: | |
Zdroj: | Organic Syntheses |
Popis: | 18,20-Lactone of 3β-acetoxy-20β-hydroxy-5-pregnene-18-oic acid intermediate: 3β-Acetoxy-20β-hydroxy-5-pregnene reactant: 71.7 g. (0.2 mole) of pregnenolone acetate intermediate: 3β-Acetoxy-18-iodo- and 18-hydroxy-18,20β-oxido-5-pregnene product: 18,20-lactone of 3β-acetoxy-20β-hydroxy-5-pregnene-18-oic acid Keywords: annulation, heterocyclic-[5]; cyclization, oxidative cyclization; reduction, CO CHOH; tetrahydrofuran, removal of peroxides |
Databáze: | OpenAIRE |
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