期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 28, 页码 7272-7276出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201403774
关键词
allenes; aminals; C-N activation; diamines; palladium
资金
- Chinese Academy of Sciences
- National Natural Science Foundation of China [21222203, 21172226, 21133011]
A new and atom-economic palladium-catalyzed aminomethylamination of allenes with aminals by C-N bond activation is described. This direct and operationally simple method provides a fundamentally novel approach for the synthesis of 1,3-diamines. Mechanistic studies suggest that a unique cationic pi-allylpalladium complex containing an aminomethyl moiety is generated as a key intermediate through the carbopalladation of the allene with a cyclometalated palladium-alkyl species.
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