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Citation: MA Xin-Bin, HUANG Zong-Liang, NA Ping, LI Liang-Long, YU Yan-Dong. Catalytic Synthesis of 2-Methyl-3-(3,4-methylenedioxyphenyl)acraldehyde over KF/Al₂O₃[J]. Chinese Journal of Applied Chemistry, ;2002, 19(10): 989-993. shu

Catalytic Synthesis of 2-Methyl-3-(3,4-methylenedioxyphenyl)acraldehyde over KF/Al₂O₃

1.
a State Key Laboratory of C1 Chemical Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072;
2.
b Perfumery of Jianzhong Chemicals, Yibin

Corresponding author: MA Xin-Bin,
Received Date: 5 February 2002
Available Online: 10 June 2002

2-Methyl-3-(3,4-methylenedioxyphenyl)acraldehyde was synthesized through Claisen-Schmidt condensation reaction of the heliotropin and propanal with KF/Al₂O₃ as a catalyst, in yield over 80%. The catalytic activity of KF/Al₂O₃ was much higher than that of the common alkali catalysts. The catalyst KF/Al₂O₃ was characterized by BET, TPD, XRD and XPS. The existence of F^- and [Al-O^-] on KF/Al₂O₃ catalyst and their synergetic effects make KF/Al₂O₃ a good catalyst for Claisen-Schmidt condensation reaction.
- methyl(methylenedioxyphenyl)acraldehyde,
- Claisen-Schmidt condensation,
- KF/Al₂O₃,
- Heliotropin
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Catalytic Synthesis of 2-Methyl-3-(3,4-methylenedioxyphenyl)acraldehyde over KF/Al2O3

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Catalytic Synthesis of 2-Methyl-3-(3,4-methylenedioxyphenyl)acraldehyde over KF/Al₂O₃