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Citation: WANG Chun, ZHANG Ying-Qun, LI Jing-Ci, LI Gui-Shen, LI Xiao-Lu. Solid Condensation Reactions of Isopropylidene Malonate with Aromatic Aldehydes[J]. Chinese Journal of Applied Chemistry, ;2003, 20(8): 809-810. shu

Solid Condensation Reactions of Isopropylidene Malonate with Aromatic Aldehydes

1.
College of Science, Hebei Agricultural Univercity, Baoding 071001

Corresponding author: LI Gui-Shen,
Received Date: 18 December 2002
Available Online: 10 March 2003
Fund Project: 河北省自然科学基金资助项目(299158) (299158)

The solid condensation of isopropylidene malonate with aromatic aldehydes were carried out by grinding at room temperature or heating at 110~120℃ to give 5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-dione. Both conditions afford the condensation high reaction activity. The yield of the product under grinding for 20 min followed by standing for 48 h at room temperature is 56%~80% and that by heating at 110~120℃ for 12 min is 55%~74%, respectively.
- arylidenedimethyldioxanedione,
- aromatic aldehydes,
- isopropylidene malonate,
- solid condensation
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