期刊
ORGANIC LETTERS
卷 23, 期 20, 页码 7698-7702出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c02539
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资金
- Universita degli Studi di Milano
The study demonstrates that the Pd(II)-catalyzed reaction of N-allyl-2-aminophenols can lead to different pathways and products under different conditions, with the oxidant playing a key role in the reaction.
The Pd(II)-catalyzed reaction of N-allyl-2-aminophenols in the presence of PhI(OCOR) 2 as the oxidant resulted in an alkoxyacyloxylation process, with the formation of functionalized dihydro-1,4-benzoxazines. The reaction performed in the absence of palladium catalyst switched to an intramolecular Diels-Alder reaction (IMDA) pathway, which was the result of an oxidative dearomatization of the 2-aminophenol, nucleophilic addition, and Diels-Alder reaction cascade, highlighting the role of the oxidant as both a nucleophilic donor and an oxidizing agent.
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