Titanium tetrachloride promoted cyclodehydration of aryloxyketones: Facile synthesis of benzofurans and naphthofurans with high regioselectivity

Zhang Qiu; Luo Juan; Wang Bingqiao; Xiao Xiaoqin; Gan Zongjie; Tang Qiang

首页> 外文期刊>Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry >Titanium tetrachloride promoted cyclodehydration of aryloxyketones: Facile synthesis of benzofurans and naphthofurans with high regioselectivity

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Titanium tetrachloride promoted cyclodehydration of aryloxyketones: Facile synthesis of benzofurans and naphthofurans with high regioselectivity

机译：四氯化钛促进了芳氧基酮的环氢化水合物：容易合成苯并呋喃和萘呋喃的高度区域选择性

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摘要

An efficient and facile method for the synthesis of a broad series of benzofurans and naphthofurans is described. The direct intramolecular cyclodehydration of aryloxyketones in the presence of titanium tetrachloride affords the corresponding benzofurans and naphthofurans with good regioselectivity and yields. (C) 2019 Elsevier Ltd. All rights reserved.

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来源
《Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry》 |2019年第19期|共4页
作者
Zhang Qiu; Luo Juan; Wang Bingqiao; Xiao Xiaoqin; Gan Zongjie; Tang Qiang;
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作者单位

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

Chongqing Med Univ Chongqing Res Ctr Pharmaceut Engn Coll Pharm Ctr Lab Teaching &

Management 1 Yixueyuan Rd Chongqing 400016 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类有机化学;
关键词
Naphthofuran; Benzofuran; Titanium tetrachloride; Cyclodehydration;

机译：萘呋喃;苯并呋喃;四氯化钛;环氢化水合;

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专利

1. Titanium tetrachloride promoted cyclodehydration of aryloxyketones: Facile synthesis of benzofurans and naphthofurans with high regioselectivity [J] . Zhang Qiu, Luo Juan, Wang Bingqiao, Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2019,第19期

机译：四氯化钛促进了芳氧基酮的环氢化水合物：容易合成苯并呋喃和萘呋喃的高度区域选择性
2. Clay catalyzed facile cyclodehydration under microwave: Synthesis of 3-substituted benzofurans [J] . Meshram HM., Ganesh YSS., Yadav JS., Synlett . 2000,第9期

机译：微波下粘土催化的简易环脱水：3-取代苯并呋喃的合成
3. A Facile Synthesis of Spiroisoxazolines: Intramolecular Cyclization of 3-Aryl-2-nitroacrylates Promoted by Titanium Tetrachloride [J] . Sdiko Hirotani, Eisuke Kaji Tetrahedron . 1999,第14期

机译：螺异恶唑啉的简便合成：四氯化钛促进的3-芳基-2-硝基丙烯酸酯的分子内环化
4. Modeling of the synthesis of 'core-shell' composite particles based on segregated oxidation of titanium and silicon tetrachlorides in flow-type plasmachemical reactor [C] . S M Aulchenko, E V Kartaev International Conference "Gas Discharge Plasmas and Their Applications" . 2020

机译：基于流动式等离子反应器中的钛和四氯化硅的偏析氧化合成“核心 - 壳”复合粒子的建模
5. Microwave promoted addition of organosiloxanes to hydroxyl containing substrates for facile synthesis of chemical and biological warfare agent reactive polymers. [D] . Owens, Jeffery Ray. 2007

机译：微波促进了将有机硅氧烷添加到含羟基的底物中，以方便地合成化学和生物战剂反应性聚合物。
6. Facile Analytical Methods to Determine the Purity of Titanium Tetrachloride [O] . Dongwook Lim, Sang-Deuk Kim, Hyungseok Kong, 2018

机译：测定四氯化钛纯度的简便分析方法
7. Regioselective Addition Reaction of Lithium Enolates to Thio-Substituted 1,4-Naphthoquinones. Convenient Synthesis of a Naphthofuran-4,9-dione Ring System [O] . Wen-Bing Kang, Seiko Nan’ya, Takeshi Toru, 1988

机译：锂烯醇烯醇酯与硫代取代的1,4-萘醌反应。方便合成萘酚-4,9-二酮环系统

Titanium tetrachloride promoted cyclodehydration of aryloxyketones: Facile synthesis of benzofurans and naphthofurans with high regioselectivity

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