Tandem ring expansion/aldol cyclization of bicyclo[5.4.01,7]undecanediones
Autor: | Dora Carrico, Sasan Karimi, Sadia Anwar |
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Rok vydání: | 2002 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 43:33-35 |
ISSN: | 0040-4039 |
DOI: | 10.1016/s0040-4039(01)02072-x |
Popis: | Diazomethane ring expansion of 3 followed by deketalization, led to the formation of bicyclodione intermediates 6 and 8. These intermediates underwent internal aldol cyclization to give the tricyclic adducts 7 and 9 in a 1:1 ratio, respectively. |
Databáze: | OpenAIRE |
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