Bimetallic copper and zinc-catalyzed oxidative cycloaddition of 3-aminopyridazines and nitriles: A direct synthesis of 1,2,4-triazolo[1,5-: B] pyridazines via C-N and N-N bond-forming process

Qiu Chao Mu; Ji Yuan Lv; Mu Yi Chen; Xing Feng Bai; Jing Chen; Chun Gu Xia; Li Wen Xu

Journal ArticleOPEN ACCESS

Bimetallic copper and zinc-catalyzed oxidative cycloaddition of 3-aminopyridazines and nitriles: A direct synthesis of 1,2,4-triazolo[1,5-: B] pyridazines via C-N and N-N bond-forming process

Mu Q
Lv J
Chen M
et al.

RSC Advances (2017) 7(59) 37208-37213

DOI: 10.1039/c7ra06727e

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Abstract

One-pot formation of the 1,2,4-triazolo[1,5-b]pyridazine nucleus and its derivatives is presented in this manuscript, in which the desired targets are offered easily via cooperative Cu(i) and Zn(ii)-catalyzed tandem C-N addition and subsequent I2/KI-mediated intramolecular oxidative N-N bond formation.

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Mu, Q. C., Lv, J. Y., Chen, M. Y., Bai, X. F., Chen, J., Xia, C. G., & Xu, L. W. (2017). Bimetallic copper and zinc-catalyzed oxidative cycloaddition of 3-aminopyridazines and nitriles: A direct synthesis of 1,2,4-triazolo[1,5-: B] pyridazines via C-N and N-N bond-forming process. RSC Advances, 7(59), 37208–37213. https://doi.org/10.1039/c7ra06727e

Bimetallic copper and zinc-catalyzed oxidative cycloaddition of 3-aminopyridazines and nitriles: A direct synthesis of 1,2,4-triazolo[1,5-: B] pyridazines via C-N and N-N bond-forming process

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