 
            3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile synthesis
- Product Name:3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile
- CAS Number:3954-26-5
- Molecular formula:C8H4N4S2
- Molecular Weight:220.27
 
                        
                        75-15-0
                        
                        
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                        107-14-2
                        
                        
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                        109-77-3
                        
                        
                        455 suppliers
                        
                        
                        
                        $10.00/5g
                        
                    
![3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile](/CAS/20180529/GIF/3954-26-5.gif) 
                        
                        3954-26-5
                        
                        
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Yield:3954-26-5 87%
Reaction Conditions:
Stage #1: carbon disulfide;malononitrilewith potassium carbonate in N,N-dimethyl-formamide; for 0.5 h;
Stage #2: chloroacetonitrile in N,N-dimethyl-formamide at 0 - 20;
References:
Comel;Kirsch [Journal of Heterocyclic Chemistry,2001,vol. 38,# 5,p. 1167 - 1171]
 
                        
                        75-15-0
                        
                        
                        268 suppliers
                        
                        
                        
                        $40.00/100g
                        
                    
 
                        
                        109-77-3
                        
                        
                        455 suppliers
                        
                        
                        
                        $10.00/5g
                        
                    
 
                        
                        590-17-0
                        
                        
                        342 suppliers
                        
                        
                        
                        $5.00/5g
                        
                    
![3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile](/CAS/20180529/GIF/3954-26-5.gif) 
                        
                        3954-26-5
                        
                        
                        14 suppliers
                        
                        
                        inquiry
                        
                    

 
          


 
                        