Tandem Aza-Michael-Condensation-Aldol Cyclization Reaction: Approach to the Construction of DE Synthon of (±)-Camptothecin
Autor: | Uttam R. Kalkote, Subhash P. Chavan, Abasaheb N. Dhawane |
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Rok vydání: | 2008 |
Předmět: | |
Zdroj: | Synlett. 2008:2781-2784 |
ISSN: | 1437-2096 0936-5214 |
DOI: | 10.1055/s-0028-1083539 |
Popis: | An efficient synthesis of the DE ring of camptothecin, employing a Reformatsky and a tandem one-pot, three-step trans- formation involving aza-Michael reaction, condensation with ethyl malonyl chloride followed by intramolecular 'aldol' reaction to fur- nish the dihydropyridone derivative from commercially available starting materials, has been achieved. |
Databáze: | OpenAIRE |
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