An efficient approach to synthesize heteroaromatic 2-amines from one-pot desulfurization/dehydrogenative cyclization of aryl isothiocyanates with ortho-substituted amines in water was developed. This approach tolerated a wide range of functional groups on the aromatic ring, providing a practical and environment-friendly process to synthesize heteroaromatic 2-amines in moderate to excellent yields.
开发了一种在
水中用邻位取代胺一锅法脱
硫/脱氢环化芳基异
硫氰酸酯合成杂芳族 2-胺的有效方法。这种方法在芳环上具有多种官能团,提供了一种实用且环境友好的方法,可以以中等至优异的产率合成杂芳族 2-胺。提出了一种似是而非的机制,并借助 ESI 质谱法提出了 TBAB 和 Cu 2 O 在本策略中的作用。