Su Qiu-fang
2004
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Journal
Fine Chemical Intermediates
Abstract
1-Methoxy-2-propanol was synthesized from methanol and 1,2-epoxypropane with triethylamine catalyst.Some influential factors such as reaction temperature,reaction time,propertion of reactants,catalyst amount and beginning pressure of system were discussed.The results showed that triethylamine offered good catalytic activity and selectivity,and the proper technological conditions were established as follows:reaction temperature 80±5?℃,molar ratio of methanol to 1,2-epoxypropane 4∶1,reaction time 3?h,mass ratio of catalyst to 1,2-epoxypropane 4%,beginning pressure of system 0.1?MPa.The coversion of 1,2-exoxypropane was over 95%,and the selectivity of 1-methoxy-2-propanol was up to 91%.The catalyst can be recovered and reused.