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ChemicalBook CAS DataBase List 3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile
3954-26-5

3,4-diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile synthesis

3synthesis methods
-

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]

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