1.
Molecules
; 14(6): 2147-59, 2009 Jun 12.
Artículo
en Inglés
| MEDLINE
| ID: mdl-19553888
RESUMEN
Cyclization of hydrazones derived from 2-acetyl-1-naphthol and 1-acetyl-2-naphthol with triphosgene gave naphtho[1,2-e]-1,3-oxazines, naphtho[2,1-e]-1,3-oxazines or their spiro dimers depending on the molar ratio of triphosgene used for the cyclization.