期刊
ORGANIC LETTERS
卷 16, 期 11, 页码 2900-2903出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol501044u
关键词
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资金
- Spanish Government [CTQ:2009-13590, CTQ:2012-39230]
- AGAUR [2009SGR825]
- University of Barcelona (UB)
- [CTQ:2012]
Enamines from 3-methylbutanal and several Pro- and Phe-derived secondary amines were prepared in DMSO-d(6), CD3CN, and CDCl3. For the first time, the relative thermodynamic stabilities of these and other enamines were compared, and rapid exchanges of 1-alkenyl groups were demonstrated. Competition experiments showed that the most favored enamines (without significant steric inhibition of resonance) react more rapidly with electrophiles.
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