
Tetrahedron Letters (2021)
Update date:2022-08-04
Topics:
Zhang, Shiqi
Yi, Dong
Li, Guangxun
Li, Ling
Zhao, Gang
Tang, Zhuo
Given the necessity of sacrificial reductants in various biomimetic aerobic oxygenations, alloxan-catalyzed aerobic redox system for one-pot atom-economic synthesis of sulfinyl-functionalized benzimidazoles was developed by ingeniously binding both the substrate sulfide and sacrificial reductant. This mild and transition-metal-free protocol undergoes two oxidations without additional sacrificial reagents, except for the environmentally benign molecular oxygen.
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