Perchloric Acid-Catalyzed Synthesis of 9-Aryl Xanthenes-9<i>H</i>-3,6-diol and 1,3,6,8-Tetraol in Water
作者:Nikhil Vidyasagar、Rabindra Nanda、Rajesh Mangal、Muthu K. Kathiravan
DOI:10.1080/00397911.2011.578326
日期:2012.11
Abstract Efficient syntheses of xanthenes have been described using a catalytic amount of perchloricacid in water. The high temperature and lengthy reaction time normally required for formation of xanthenes derivatives are not necessary when using a catalytic amount of perchloricacid. The method is relatively inexpensive, easily available, nonvolatile, nonexplosive, and thermally robust to catalyze the