Ultrasound-Assisted Green Synthesis of Dialkyl Peroxides under Phase-Transfer Catalysis Conditions.

ABSTRACT: The dialkyl peroxides, which contain a thermally unstable oxygen-oxygen bond, are an important source of radical initiators and cross-linking agents. New efficient and green methods for their synthesis are still being sought. Herein, ultrasound-assisted synthesis of dialkyl peroxides from alkyl hydroperoxides and alkyl bromides in the presence of an aqueous solution of an inorganic base was systematically studied under phase-transfer catalysis (PTC) conditions. The process run in a tri-liquid system in which polyethylene glycol as a phase-transfer catalyst formed a third liquid phase between the organic and inorganic phases. The use of ultrasound provided high yields of organic peroxides (70-99%) in significantly shorter reaction times (1.5 h) in comparison to reaction with magnetic stirri

SUBMITTER: Kopec D 

PROVIDER: S-EPMC6982749 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature