Divergent synthesis of 5- and 4-(2,1-azaborine) substituted isoxazoles via regioselective [3 + 2] cycloadditions of nitrile oxides and B-ethynyl-1,2-azaborines

Author:

He Yong1,Wang Hao1,Zhou Yao2ORCID,Yang Kai1,Song Qiuling134ORCID

Affiliation:

1. Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China

2. Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China

3. Institute of Next Generation Matter Transformation, College of Materials Science Engineering at Huaqiao University 668 Jimei Boulevard, Xiamen, Fujian, 361021, China

4. School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China

Abstract

A new class of terminal alkyne reagents was developed and applied to the divergent synthesis of 5- and 4-(2,1-azaborine) substituted isoxazoles with excellent regioselectivities.

Funder

Henan Normal University

National Natural Science Foundation of China

Natural Science Foundation of Fujian Province

Fuzhou University

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry

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