KF/Al2O3 as a highly efficient reagent for the synthesis of N-aryl derivatives of pyrimidine and purine nucleobases oleh Abdolkarim Zare, Alireza Hasaninejad, Ahmad Reza Moosavi-Zare, Mohammad Hassan Beyzavi, Ali Khalafi-Nezhad, Nasrin Pishahang, Zahra Parsaee, Parvin Mahdavinasab, Nahid Hayati