Abstract

The kinetics for dichlorocyclopropanation of 1,7-octadiene with an excess of chloroform has been studied under phase-transfer catalysts and ultrasound irradiation conditions using aqueous sodium hydroxide as the base. The reaction was carried out at 30 °C and a pseudo-first order rate is used to describe the reaction rate at high alkaline concentration (>50 wt.%). Kinetics of the reaction including the effects of the reaction conditions on the conversion of 1,7-octadiene was investigated. A rational explanation was made for a peculiar phenomenon that the conversion of 1,7-octadiene was increased and then decreased with an increase in the amount of sodium hydroxide and the amount of phase-transfer catalyst, benzyltriethylammonium chloride (BTEAC).

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