期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 363, 期 11, 页码 2893-2902出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202100007
关键词
Gold catalysis; Indoles; [3; 3] rearrangements; Heterocyclic chemistry; Carboaminations
资金
- CHARMMMAT Laboratory of Excellence [ANR-11-LABX0039]
- Universite ParisSaclay
Tertiary amines with a benzyl-type group undergo intramolecular addition to allenes under Au(I) catalysis. A formal 1,3-transfer of the CH2Ar group occurs during cyclization, involving two consecutive [3,3] rearrangements via a dearomatized intermediate. Protocols were developed to convert the unstable enamine products into more stable polycyclic chiral compounds in situ.
Tertiary amines bearing a benzyl-type group (CH2Ar) undergo Au(I)-catalyzed intramolecular addition to allenes. A formal 1,3-transfer of the CH2Ar group takes place during the cyclization. As demonstrated by both experimental and DFT studies, these unprecedented intramolecular carboaminations involve two consecutive [3,3] rearrangements via a dearomatized intermediate. Because of the poor stability of the enamine products, protocols were developed to convert them in situ to more stable polycyclic chiral compounds.
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