中国科学技术大学龚流柱、安徽大学宋琎等报道一种优异的可扩展型[4+3]环加成反应用于合成纯度达到光学纯的1,4-苯并二氮杂卓酮、1,4-苯并氮氧杂卓酮。
参考文献
Yang-Yang Li, Shuai Li, Tao Fan, Zi-Jing Zhang, Jin Song*, and Liu-Zhu Gong*, Enantioselective Formal [4+3] Annulations to Access Benzodiazepinones and Benzoxazepinones via NHC/Ir/Urea Catalysis, ACS Catal. 2021, 11, 14388–14394
DOI: 10.1021/acscatal.1c04541
https://pubs.acs.org/doi/10.1021/acscatal.1c04541