3-amino-1H-pyrazole-4,5-dicarbonitrile synthesis
- Product Name:3-amino-1H-pyrazole-4,5-dicarbonitrile
- CAS Number:54385-49-8
- Molecular formula:C5H3N5
- Molecular Weight:133.11
5745-84-6
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54385-49-8
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Yield:54385-49-8 10.4 g (88%)
Reaction Conditions:
in water;
Steps:
29.b 3-cyano-5-amino-1H-pyrazole-4-carbonitrile
(b) 3-cyano-5-amino-1H-pyrazole-4-carbonitrile 3-cyano-4-cyano-5-amino-1H-pyrazole-1-carboxamide (15.6 g, 0.089 mol) was added in small protions to boiling water (150 ml). Upon completion of the addition, the reaction mixture was stirred at reflux for 5 minutes, cooled and a solid was collected by filtration. The solid was washed with water and air dried to afford 10.4 g (88%) of 3-cyano-5-amino-1H-pyrazole-4-carbonitrile, m.p. 260° C. (dec.).
References:
US5294612,1994,A
