New route to pyrido[1,2-b]pyridazinium inner salts. Evidence of a 1,3- dipolar cycloaddition-ring expansion process
- Valenciano, J.
- Cuadro, A.M.
- Vaquero, J.J.
- Alvarez-Builla, J.
ISSN: 0040-4039
Year of publication: 1999
Volume: 40
Issue: 4
Pages: 763-766
Type: Article