Water → (E)-3-(2-nitrothien-5-yl)-2-[(pyridin-2-yl)sulfonyl]acrylonitrile

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Reaction Steps

2-Nitrothiophen-5-carboxaldehyde (0.157 g) and 2-pyridinesulphonylacetonitrile (0.2 g) were stirred in 2 mL of ethanol containing 0.01 mL piperidine for four hours at 100 C. The mixture was cooled to room temperature and water was added for crystalization. The crude product was filtered and recrystalized from ethanol and water to give 0.15 g of (E)-3-(2-nitrothien-5-yl)-2-[(pyridin-2-yl)sulfonyl]acrylonitrile.

Provenance & Evidence