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Citation: XU Ren-Shun, GUO Xin-Wen, WANG Gui-Ru, LIU Jing, ZHANG Zhu-Xia. A Highly Effective Method for the Synthesis of 2-Ethylanthraquinone[J]. Chinese Journal of Applied Chemistry, ;2006, 23(7): 812-814. shu

A Highly Effective Method for the Synthesis of 2-Ethylanthraquinone

1.
State Key Laboratory of Fine Chemicals, Dalian Univesity of Technology, Dalian 116012

Corresponding author: GUO Xin-Wen,
Received Date: 13 August 2005
Available Online: 9 December 2005
Fund Project: 教育部新世纪优秀人才支持计划资助项目(NCET-04-0268) (NCET-04-0268)

The dehydration of 2-(4'-ethylbenzoyl) benzoic acid(BE acid) into 2-ethylanthraquinone(2-EAQ) was investigated over H-Beta catalyst modified by citric acid.Different feed-in methods and the reaction conditions were studied in detail.Under optimized conditions,the conversion of BE acid could reach 99.5%,and the selectivity to 2-EAQ was up to 99.0%.The results show that the H-Beta zeolite can be considered as an efficient catalyst for the substitute of concentrate H₂SO₄ or oleum catalyst for the dehydration of BE acid to 2-ethylanthraquinone.
- H-Beta zeolite,
- (ethylbenzoyl) benzoic acid,
- ethylanthraquinone,
- citric acid-modified
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