BF3 ⋅ OEt2 Catalyzed Synthesis of 1,3‐Thiazines/‐Selenazines,Asian Journal of Organic Chemistry

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BF3 ⋅ OEt2 Catalyzed Synthesis of 1,3‐Thiazines/‐Selenazines
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2020-11-24 , DOI: 10.1002/ajoc.202000563
Sengodagounder Muthusamy ₁ , Muthukumar Malarvizhi ₁ , Eringathodi Suresh ₂

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An efficient strategy for the synthesis of 3,4‐dihydro‐2H‐1,3‐thiazines / 3,4‐dihydro‐2H‐1,3‐selenazines from propargylic alcohols and thioamides/thiosemicarbazones/selenamides is described. The reaction is accomplished in moderate to excellent yield under mild conditions that did not require the exclusion of air or moisture and offers an operationally simplistic and convenient route to the synthetically useful six‐membered N,S/Se‐heterocycles.

中文翻译：

BF3⋅OEt2催化合成1,3-噻嗪/硒代嗪

描述了一种从炔丙醇和硫代酰胺/硫代半氨基咔唑/硒代酰胺合成3,4-二氢-2 H -1,3-噻嗪/ 3,4-二氢-2 H -1,3-硒嗪的有效策略。该反应在温和条件下以中等至极好的收率完成，不需要排除空气或湿气，并为合成有用的六元N，S / Se-杂环提供了操作上简单易行的途径。

更新日期：2021-01-18

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