Silica supported sodium hydrogen sulfate(NaHSO4/SiO2): A mild and efficient reusable catalyst for the synthesis of aryl-14-H-dibenzo[a,j]xanthenes under solvent-free conditions
Shallnaz Rostamizadeh, Nasrin Shadjou, Ali Mohammad Amani, Saeed Balalaie
Silica supported sodium hydrogen sulfate(NaHSO4/SiO2): A mild and efficient reusable catalyst for the synthesis of aryl-14-H-dibenzo[a,j]xanthenes under solvent-free conditions
Shallnaz Rostamizadeh, Nasrin Shadjou, Ali Mohammad Amani, Saeed Balalaie
中国化学快报 . 2008, (10): 1151 -1155 .  DOI: 10.1016/j.cclet.2008.07.026