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Citation: WU Peng, CAO Ling-Hua. Syntheses of 3-(3-Acetyl-5-aroxymethylene-2,3-dihydro-1,3,4-oxadiazol-2-yl) Chromones[J]. Chinese Journal of Applied Chemistry, ;2005, 22(8): 848-851. shu

Syntheses of 3-(3-Acetyl-5-aroxymethylene-2,3-dihydro-1,3,4-oxadiazol-2-yl) Chromones

WU Peng ^a ,
CAO Ling-Hua ^a,b,,

1.
a College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046;
2.
b State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071

Corresponding author: CAO Ling-Hua,
Received Date: 12 October 2004
Available Online: 16 January 2005
Fund Project: 国家自然科学基金(29962002,20462006)资助项目 (29962002,20462006)

Reactions of 4 substituted 3-formyl chromones with 4 aroacetohydrazides,catalyzed by ice acetic acid,gave 16 corresponding Schiff Base compounds.Then 3-(3-acetyl-5-aroxymethylene-2,3-dihydro-1,3,4-oxadiazol-2-yl) chromones were prepared by heating and refluxing the Schiff base with Ac₂O.All the target compounds were characterized by means of elemental analysis,IR,LC-MS,and ¹H NMR.
- oxadiazoline,
- chromone,
- synthesis
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