Chinese Journal of Organic Chemistry >
Research Progress in the Synthesis of 1,3-Benzoxazine via Radical Cascade Reaction
Received date: 2025-11-11
Revised date: 2026-01-28
Online published: 2026-02-28
Supported by
Natural Science Foundation of Hunan Province(2023JJ40528)
As an important structural unit containing nitrogen-oxygen heterocycles, benzoxazine widely exists in drug molecules and functional materials. Especially in the field of drug research and development, it exhibits diverse biological activities such as anti-inflammatory and antifungal properties, becoming a highly potential active molecular skeleton. Unsaturated aromatic hydrocarbon derivatives (such as N-acyl-2-alkenylanilines), due to the synergistic reactivity between unsaturated their unsaturated bonds and heteroatomic sites, are excellent raw materials for constructing benzoxazine skeletons via radical cascade reactions, showing broad academic research value and industrial application prospects. Focusing on three core directions: photo-mediated radical cascade reactions, electrochemical radical cascade reactions, and transition metal-mediated radical cascade reactions, the progress in the synthesis of such compounds via radical cascade reactions over the past 10 years is systematically reviewed. Special attention is paid to such scientific issues as the reaction mechanisms and substrate scopes of different synthetic strategies. Finally, the existing challenges in current research are summarized, and the development directions of the synthetic strategies are prospected.
Dong Yan , Weibao He , Yucai Tang , Cui Xin , Zi Yang , Xiang Chen . Research Progress in the Synthesis of 1,3-Benzoxazine via Radical Cascade Reaction[J]. Chinese Journal of Organic Chemistry, 2026 , 46(6) : 2327 -2336 . DOI: 10.6023/cjoc202511006
感谢南华大学对本文的支持, 感谢南华大学何卫民在本文撰写过程中提供宝贵意见.
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