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Citation: DING Li-Qin, WANG Wei, ZHANG Ai-Qing, SHEN Chang-Hong. Synthesis of 1,5-Bis-(3-nitrophenyl)-1,4-pentadien-3-one under Ultrasound in the Presence of Anhydrous K₂CO₃[J]. Chinese Journal of Applied Chemistry, ;2006, 23(10): 1090-1093. shu

Synthesis of 1,5-Bis-(3-nitrophenyl)-1,4-pentadien-3-one under Ultrasound in the Presence of Anhydrous K₂CO₃

1.
a Hubei Key Laboratory for Catalysis and Material Science, College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074;
2.
b College of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan

Corresponding author: ZHANG Ai-Qing,
Received Date: 11 November 2005
Available Online: 10 January 2006
Fund Project: 国家自然科学基金资助项目(50373052) (50373052)湖北省自然科学基金重点项目(2001ABA009) (2001ABA009)

The synthesis of 1,5-bis-(3-nitrophenyl)-1,4-pentadien-3-one though the Claisen-Schmidt condensation between 3-nitrobenzaldehyde and acetone was performed in methanol under ultrasound in the presence of anhydrous K₂CO₃.The results show that the best reaction conditions are that the molar ratio of 3-nitrobenzaldehyde vs acetone is 2,amount of methanol 3 mL,the molar ratio of anhydrous K₂CO₃ vs 3-nitrobenzaldehyde 0.4,the reaction is performed at 33℃ for 20 min in a 450 W ultrasound cleaner,and the yield is over 88%.Compared with previous methods in the literature,the present procedure has the advaotages of shorter reaction time,easier work-up,milder conditions and higher yields.
- bis-(nitrophenyl)-pentadien-one,
- synthesis,
- ultrasound,
- catalyst
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Synthesis of 1,5-Bis-(3-nitrophenyl)-1,4-pentadien-3-one under Ultrasound in the Presence of Anhydrous K2CO3

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通讯作者: 陈斌, bchen63@163.com

Synthesis of 1,5-Bis-(3-nitrophenyl)-1,4-pentadien-3-one under Ultrasound in the Presence of Anhydrous K₂CO₃