Synlett, Table of Contents

Synlett 2019; 30(14): 1719-1724
DOI: 10.1055/s-0037-1610723

letter

© Georg Thieme Verlag Stuttgart · New York

NHC-Catalyzed Synthesis of Benzazole-Phosphine Ligands under an Air Atmosphere

Wei Ren

^aState Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. of China

,

Qian-Ming Zuo

^aState Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. of China

,

Shang-Dong Yang∗

^aState Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. of China

^bState Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. of China Email: yangshd@lzu.edu.cn

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Abstract

An efficient strategy for the synthesis of benzazole-phosphine ligand precursors via N-heterocyclic carbene catalyzed aerobic oxidative cyclization reaction has been performed. The reaction displays broad functional group tolerance and high atom economy, and the transformation has been further applied to benzazole-phosphine ligand synthesis.

Key words

Key words

N-heterocyclic carbenes - oxidative cyclization - organcocatalysis - benzazoles phosphine ligand

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Supplementary Material

Supplementary Material

Supporting Information