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Issue 11, 2020
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Access to cyano-substituted pyrazolines through copper-catalyzed cascade cyanation/cyclization of unactivated olefins

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Abstract

A novel and efficient copper-catalyzed domino cyanation/cyclization of hydrazone-tethered unactivated olefins has been developed. A range of cyano-containing pyrazolines have been easily obtained in good yields under mild conditions. This method provides a facile, practical, and rapid access to valuable pyrazolines with the important cyano functionality, and it is amenable for gram scale synthesis. The simultaneous formation of C(sp3)–CN and C–N bonds can be achieved in a single step.

Graphical abstract: Access to cyano-substituted pyrazolines through copper-catalyzed cascade cyanation/cyclization of unactivated olefins

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Supplementary files

Article information


Submitted
04 Mar 2020
Accepted
20 Apr 2020
First published
22 Apr 2020

Org. Chem. Front., 2020,7, 1358-1364
Article type
Research Article

Access to cyano-substituted pyrazolines through copper-catalyzed cascade cyanation/cyclization of unactivated olefins

F. Meng, Q. Fang, W. Yuan, N. Xu, S. Cao, J. Chun, J. Li, H. Zhang and Y. Zhu, Org. Chem. Front., 2020, 7, 1358
DOI: 10.1039/D0QO00282H

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