932210-11-2Relevant articles and documents
Preparation and characterization of copper/polysulfonamide complex immobilized on geraphene oxide as a novel catalyst for the synthesis of pyrimido[1,2-a]benzimidazoles
Shekarlab, Nayereh,Ghorbani-Vaghei, Ramin,Alavinia, Sedigheh
, (2020)
Copper–polysulfonamide complex immobilized on geraphene oxide as a novel heterogeneous catalyst (GO@PSA-Cu) was synthesized and the structure and morphology of catalyst were characterized with various analytical techniques such as Fourier-transform infrar
One-pot synthesis of pyrimido[1,2-a]benzimidazoles under solvent-free conditions
Ghorbani-Vaghei, Ramin,Toghraei-Semiromi, Zahra,Karimi-Nami, Rahman,Salimi, Zahra
, p. 979 - 984 (2014/08/05)
A series of pyrimido[1,2-a]benzimidazoles were obtained from aldehydes, 2-aminobenzimidazole and ethyl acetoacetate in good-to-excellent yields by a simple, mild, and efficient procedure utilizing N,N,N′,N′- tetrabromobenzene-1,3-disulfonamide (TBBDA) and