[Et3NH][HSO4] catalyzed one-pot synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes under solvent-free conditions

محورهای موضوعی : Iranian Journal of Catalysis

Zhongqiang Zhou ¹ , Xiaocui Deng ² , Xiaoyun Hu ³

1 - College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China.
2 - College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China.
3 - College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, P. R. China.

تاریخ دریافت : 1392/07/13 تاریخ پذیرش : 1392/09/07 تاریخ انتشار : 1392/09/10

کلید واژه: 2-Naphthol, Aldehyde, Solvent-free conditions, 14-Aryl-14H-dibenzo[a, j]xanthenes, [Et3NH][HSO4],

چکیده مقاله :

A simple and environmentally benign procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes by a one-pot condensation of 2-naphthol with aromatic aldehyde in the presence of [Et3NH][HSO4] as an acidic ionic liquid catalyst under solvent-free conditions has been developed. The reaction work-up is very simple and the catalyst can be easily separated from the reaction mixture and reused several times in subsequent reactions.