An efficient synthesis for pyrimido[4′,5′:4,5]-thieno[2,3-c]pyridazine derivatives via intramolecular AZA-wittig reaction-heterocyclization strategy
- Quintela, J.M.
- Alvarez-Sarandés, R.
- Veiga, M.C.
- Peinador, C.
ISSN: 0385-5414
Year of publication: 1997
Volume: 45
Issue: 7
Pages: 1319-1336
Type: Article