Tang Si-ping
2005
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Journal
Journal of Hengyang Normal University
Abstract
This paper mainly studies the synthesis of 2-Isopropyl-5-Methyl-2-Hexenal from the optimum reaction conditions of from self aldol condensation of Isovaleraldehy,with NaOH solution as the catalyst of the condensation. The optimum conditions were established: reaction temperature 50℃;reaction time 9h;the concentration of NaOH solution is 2mol.L~(-1); OH~-/ Isovaleraldehyde is 1/1(mol/mol),the yield of 2-Isopropyl-5-Methyl-2-Hexenal is up to 92.2% .And the repeated use property of NaOH solution is discussed.And it is found that the catalytic property of NaOH solution is very stable after it is used 9 times.