A comparative study on basicity based on supported K-salt catalysts for isomerization of 1-methoxy-4- (2-propene-1-yl) benzene
2010
A comparative study on basicity of supported K-salt catalysts has been carried out for the preparation of trans-anethole [1-methoxy-4-(1-propen-1-yl) benzene]. It is observed that strong basic sites facilitated 99% conversion of methyl chavicol [1-methoxy-4-(2-propen-1-yl) benzene] with 89% selectivity of trans-anethole. Activation energy for isomerization of methyl chavicol was found to be in the range of 5.65 -8.67 kJ/mol using 25% K 2 CO 3 loaded on alumina. The catalysts were characterized by CO 2 -TPD and BET surface area.
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