Tandem ring expansion/aldol cyclization of bicyclo[5.4.01,7]undecanediones

Autor: Dora Carrico, Sasan Karimi, Sadia Anwar
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