METHOD OF PRODUCING 1-PHENYL PROPARGYL ALCOHOL Russian patent published in 2014 - IPC C07C29/42 C07C33/30 

Abstract RU 2515241 C1

FIELD: chemistry.

SUBSTANCE: reaction is carried out at atmospheric pressure and temperature of 0-10°C in the presence of a catalyst system of sodium hydroxide/aliphatic alcohol/DMSO, with molar ratio benzaldehyde:NaOH:aliphatic alcohol of 1:0.5-1.8:0.6-2, and benzaldehyde concentration of 0.86-1.72 mol/l. The end product is separated by vacuum distillation of the reaction mixture after neutralisation thereof with ammonium chloride and separating solid products by filtering.

EFFECT: method enables to obtain a 1-phenyl propargyl alcohol with high output.

3 cl, 9 ex

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RU 2 515 241 C1

Authors

Trofimov Boris Aleksandrovich

Petrova Ol'Ga Vital'Evna

Sobenina Ljubov' Nikolaevna

Mikhaleva Al'Bina Ivanovna

Dates

2014-05-10Published

2012-12-19Filed