Divergent application of 5-amino-isoxazoles for the construction of nitrogen heterocycles via the hydride transfer strategy†

Mengzhe Pan , Feng-Wei Guo , Xinjie Sun , Jie Zhang , Wei Lu , Lubin Xu , Fangzhi Hu , Shuai-Shuai Li
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Abstract

The hydride transfer-enabled divergent application of 5-amino-isoxazoles for the controllable construction of diverse tetrahydroquinolines and tetrahydroquinazolines was disclosed unprecedentedly by the process of ring-cleavage/Beckmann rearrangement, dearomative-spirocyclization, or N,N′-dialkylation of the amino group with the employment of different Lewis acids.

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5-氨基异恶唑在氢化物转移策略下构建氮杂环中的不同应用
利用不同的Lewis酸对氨基进行解环/贝克曼重排、脱芳-螺旋环化或N,N ' -二烷基化,从而实现了5-氨基异唑在不同类型四氢喹啉和四氢喹唑类化合物中氢化物转移的分散应用。
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