Application of dithianylidene anions to the synthesis of de-ab-8-carbomethoxycholestan-9-one: a steroid and vitamin D synthon
Autor: | James J. Mencel, Frederick E. Ziegler |
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Rok vydání: | 1983 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 24:1859-1862 |
ISSN: | 0040-4039 |
DOI: | 10.1016/s0040-4039(00)81790-6 |
Popis: | The lithium anion of 2-(1-E-propenyl)-1,3-dithiane adds to 2-methyl cyclopent-2-en-1-one and produces, after alkylation, a useful steroid and vitamin D intermediate. The synthesis of de-AB-8-carbomethoxycholestan-9-one is detailed. |
Databáze: | OpenAIRE |
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