Volume 129, Issue 15 pp. 4384-4387
Zuschrift

Tandem Coupling of Azide with Isonitrile and Boronic Acid: Facile Access to Functionalized Amidines

Zhen Zhang

Zhen Zhang

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Baoliang Huang

Baoliang Huang

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Guanyu Qiao

Guanyu Qiao

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Liu Zhu

Liu Zhu

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Fan Xiao

Fan Xiao

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Feng Chen

Feng Chen

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Prof. Dr. Bin Fu

Prof. Dr. Bin Fu

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
Prof. Dr. Zhenhua Zhang

Corresponding Author

Prof. Dr. Zhenhua Zhang

Department of Applied Chemistry, China Agricultural University, 2 West Yuanmingyuan Road, Beijing, 100193 China

Search for more papers by this author
First published: 20 March 2017
Citations: 14

Abstract

Amidine is a notable nitrogen-containing structural motif found in bioactive natural products and pharmaceuticals. Herein, a novel rhodium(I)-catalyzed tandem reaction of readily accessible azides with isonitriles and boronic acids via a carbodiimide intermediate is achieved. This protocol offers an alternative approach toward N-sulfonyl-, N-acyl-, and N- phosphoryl-functionalized, as well as general N-aryl and N-alkyl amidines with broad substrate scope. In addition, functionalized guanidines can also been synthesized when amines are used instead. The accomplishment of estrone-derived amidine and glibenclamide bioisosteres further reveals the practical utility of this strategy.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.