Acetic Acid → HCID 10657149, compound

Participants

Reaction Steps

A mixture of 2-hydroxy-4-(3-thienylmethoxy)benzaldehyde (7.7 g), nitroethane (4.74 mL), sodium acetate (5.4 g) and glacial acetic acid (6.6 mL) is heated at reflux for 14 hours. The mixture is then cooled, diluted with water (50 mL) and extracted with ethyl acetate (3×50 mL). The combined organic extracts are washed with saturated aqueous sodium bicarbonate solution (3×50 mL), dried over magnesium sulphate, and concentrated in vacuo. The resulting residue is subjected to flash chromatography on silica gel, eluting with a mixture of ethyl acetate and pentane (3:7 v/v), to give 2-hydroxy-4-(3-thienylmethoxy)benzonitrile (7.6 g), in the form of a pale yellow solid.

Provenance & Evidence