期刊
ORGANIC LETTERS
卷 14, 期 16, 页码 4202-4205出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol301871s
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资金
- National Natural Science Foundation of China [20972027, 21172034]
- Program for New Century Excellent Talents in University [NCET-11-0611]
- Department of Science and Technology of Jilin Province [201215002]
- Fundamental Research Funds for the Central Universities [11SSXT129]
- State Key Laboratory of Supramolecular Structure and Materials [sklssm201225]
A one-pot cascade transformation of ketones into alpha-imidoketones has been developed, in which N-bromosuccinimide (NBS) provides both electrophilic bromine and nucleophilic nitrogen sources, and diazabicyclo[5.4.1]undec-7-ene (DBU) functions as a base and a nucleophilic promoter for the activation of NBS. alpha-Bromination is supposed as the key step in the process, which takes place between more electrophilic bromide active species and enolates.
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