| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing 2-(2-thienyl)pyrrole, which involves reacting 2-acetylthiophene with hydroxylamine, potassium hydroxide and acetylene in a medium of dimethyl sulphoxide; the process is carried out at atmospheric pressure and temperature of 80-120°C for 3-5 hours, with molar ratio 2-acetylthiophene:hydroxylamine chloride:potassium hydroxide of 1:1-1.2:2-2.5, using acetylene as the saturated solution in dimethyl sulphoxide, and hydroxylamine is generated directly in the reaction medium from hydroxylamine chloride and potassium hydroxide.EFFECT: novel selective method of producing said compound, which is simple and environmentally safe.3 cl, 8 ex |
