期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 86, 期 1, 页码 199-206出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.0c02015
关键词
-
资金
- National Natural Science Foundation of China [21971138, 21472107]
A general and efficient synthesis of fully substituted 4-aminodixazoles was developed using amide activation and umpolung reaction strategies. 1,4,2-dioxazol-5-ones were introduced as a rare type of umpolung reagent with a nucleophilic N-atom, allowing smooth reaction under convenient conditions.
A general and efficient synthesis of fully substituted 4-aminodixazoles was developed based on the strategies of amide activation and umpolung reaction. In this method, 1,4,2-dioxazol-5-ones were introduced as a rare type of umpolung reagent bearing a nucleophilic N-atom that could be used well together with the activating agent Tf2O. Because 1,4,2-dioxazol-5-ones played triple roles as an umpolung reagent, a substrate, and a weak base, the method proceeded smoothly under extremely convenient conditions.
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