Synthesis of isoindolo[1,3]benzoxazine derivatives through intramolecular arylation of<i>N-</i>acyliminium ions
作者:Nicolas Hucher、Adam Daïch、Bernard Decroix
DOI:10.1002/jhet.5570350644
日期:1998.11
[1,3]Benzoxazines annulated to isoindole as 3 and 4 have been synthesized in three steps from N-chloromethylphthalimide 5 and substituted phenols 6. The key step was the acid-catalyzed cyclization of ω-carbinol lactams 8 and 9.