Copper Nanoparticle-Doped Silica Cuprous Sulfate as a Highly Efficient and Reusable Heterogeneous Catalysis for N-Arylation of Nucleobases and N-Heterocyclic Compounds - Soltani Rad, Mohammad Navid; Behrouz, Somayeh; Doroodmand, Mohammad Mahdi; Moghtaderi, Noushin (Synthesis, 2011)