ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 16, Number 5
JKCSEZ 16(5)
October 20, 1972 

We have obtained the results of Cannizzaro reaction of furfural, 5-methylfurfural and 5-bromofurfural by using alcoholic potassium hydroxide solution in 95% (V/V) methanol solvent at 0°~ 40℃. The results are as follows: 1) Their Cannizzaro reaction is fourth-order reaction, and the reaction of furfural proceeds 3 times as rapid as that of 5-methylfurfural and 10 times as slow as that of 5-bromofurfural. 2) Their activation energies of furfural, 5-methylfurfural and 5-bromofurfural in the reaction are 10.46Kcal/mole, 16.27Kcal/mole, and 9.62Kcal/mole respectively, and the calculated activation parameters, ΔH≠ and ΔS≠, increase in the order of 5-bromofurfural, furfural and 5-methyl-furfural.