![](/CAS/20180529/GIF/3954-26-5.gif)
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
![Carbon disulfide](/CAS/GIF/75-15-0.gif)
75-15-0
236 suppliers
$40.00/100g
![Chloroacetonitrile](/CAS/GIF/107-14-2.gif)
107-14-2
276 suppliers
$15.00/25g
![Malononitrile](/CAS/GIF/109-77-3.gif)
109-77-3
427 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]
![Carbon disulfide](/CAS/GIF/75-15-0.gif)
75-15-0
236 suppliers
$40.00/100g
![Malononitrile](/CAS/GIF/109-77-3.gif)
109-77-3
427 suppliers
$10.00/5g
![Bromoacetonitrile](/CAS/GIF/590-17-0.gif)
590-17-0
326 suppliers
$5.00/5g
![3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile](/CAS/20180529/GIF/3954-26-5.gif)
3954-26-5
15 suppliers
inquiry