- Syntheses of [1,2,4]triazolo[1,5-: A] benzazoles enabled by the transition-metal-free oxidative N-N bond formation
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A transition-metal-free oxidative N-N bond formation strategy was developed to generate various structurally interesting [1,2,4]triazolo[1,5-a]benzazoles efficiently. The mechanism of the key oxidative N-N bond formation was investigated by using an intramolecular competition reaction. Notably, the first single crystal structure was also obtained to confirm the structure of 2-aryl[1,2,4]triazolo[1,5-a]benzimidazole.
- Shang, Erchang,Zhang, Junzhi,Bai, Jinyi,Wang, Zhan,Li, Xiang,Zhu, Bing,Lei, Xiaoguang
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supporting information
p. 7028 - 7031
(2016/06/09)
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- Synthesis of 2-Aryltriazolobenzoxazoles by Oxidative Cyclization of N-(Benzoxazol-2-yl)benzamidines
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The reaction of 2-aminobenzoxazoles with benzonitriles in the presence of anhydrous tin(IV) chloride gives N-(benzoxazol-2-yl)benzamidines in high yields.Cyclodehydrogenation of these compounds with lead(IV) acetate affords 2-aryltriazoloben
- Sambaiah, T.,Reddy, K. Kondal
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p. 422 - 424
(2007/10/02)
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