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Cyanoguanidine as a versatile, eco-friendly and inexpensive reagent for the synthesis of 2-aminobenzoxazoles and 2-guanidinobenzoxazoles
Tetrahedron Letters ( IF 1.8 ) Pub Date : 2018-03-16 , DOI: 10.1016/j.tetlet.2018.03.036
Oleksandr Grytsai , Tetiana Druzhenko , Luc Demange , Cyril Ronco , Rachid Benhida

An effective, easy-to-handle, safe and inexpensive protocol is reported for the synthesis of 2-aminobenzoxazoles under Lewis acid activation, utilising cyanoguanidine as the cyanating reagent. An optimized procedure for the synthesis of 2-guanidinobenzoxazole and novel derivatives is also described.



中文翻译:

氰胍是一种多功能,环保且廉价的试剂,可用于合成2-氨基苯并恶唑和2-胍基苯并恶唑

据报道,在有效的路易斯酸活化下,利用氰基胍作为氰化试剂合成2-氨基苯并恶唑,是一种有效,易于操作,安全且廉价的方案。还描述了合成2-胍基苯并恶唑和新型衍生物的优化方法。

更新日期:2018-03-16
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