Catalyst-free synthesis of 3,1-benzoxathiin-4-ones/1,3-benzodioxin-4-ones,Organic & Biomolecular Chemistry

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Catalyst-free synthesis of 3,1-benzoxathiin-4-ones/1,3-benzodioxin-4-ones
Organic & Biomolecular Chemistry ( IF 2.9 ) Pub Date : 2021-1-27 , DOI: 10.1039/d0ob02543g
Sengodagounder Muthusamy _{1,

2,

3,

4} , Muthukumar Malarvizhi _{1,

2,

3,

4} , Eringathodi Suresh _{4,

5,

6,

7}

Affiliation

An unambiguous and precise method for the synthesis of 3,1-benzoxathiin-4-ones/1,3-benzodioxin-4-ones by the reaction of propargylic alcohols and salicylic/thiosalicylic acids under a catalyst-free and open-air atmosphere is described. This strategy is found to be quite general using various 2-mercapto and 2-hydroxybenzoic acids providing benzoxathiinones/benzodioxinones in good yields.

中文翻译：

无催化剂合成3,1-苯并恶臭素-4-酮/ 1,3-苯并二恶英-4-酮

在无催化剂的露天气氛下，通过炔丙醇与水杨酸/硫代水杨酸的反应，合成3,1-苯并沙硫辛-4-酮/ 1,3-苯并二恶英-4-酮的准确而精确的方法是描述。发现该策略使用各种2-巯基和2-羟基苯甲酸以提供高收率的苯并二氢噻吩酮/苯并二恶英酮是相当普遍的。

更新日期：2021-02-04

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