Citation:
	            
		            Marzieh  Mohammadi, Ghasem  Rezanejade Bardajee, Nader  Noroozi Pesyan. Efficient solvent-free synthesis of pyridopyrazine and quinoxaline derivatives using copper-DiAmSar complex anchored on SBA-15 as a reusable catalyst[J]. Chinese Journal of Catalysis,
							;2015, 36(8): 1379-1386.
						
							doi:
								10.1016/S1872-2067(15)60845-2
						
					
				
					
				
	        
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	                	A catalytic system comprising mesoporous silica functionalized with Cu(II)-DiAmSar was synthesized. This was demonstrated as an efficient heterogeneous catalyst for the synthesis of biologically useful pyridopyrazine and quinoxaline heterocycles under solvent-free conditions. X-ray diffraction, transmission electron microscopy, N2 adsorption-desorption, Fourtier transformation infrared spectroscopy, and thermogravimetric analysis were used to characterize the catalyst and investigate the texture of SBA-15 during the grafting process.
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								Keywords:
								
 - DiAmSar,
 - SBA-15,
 - Heterogeneous catalyst,
 - Pyridopyrazine,
 - Quinoxaline
 
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