Heterocyclic Communications p. 209 - 215 (2009)
Update date:2022-08-05
Topics:
Hammal, Lamouri
Bentarzi, Yamina
Nedjar-Kolli, Bellara
Hoffmann, Pascal
A synthetic route to tetracyclic pyrano[4,3-b]-imidazo[1,2-a][1,5] benzodiazepines is described. The key is the intramolecular cyclization using cyanogen bromide of enaminones, obtained from reaction of pyrone or tetronic acid with o-phenylenediamine deri
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