期刊
TETRAHEDRON LETTERS
卷 59, 期 45, 页码 3994-3998出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2018.09.053
关键词
Azulene; Amide conformational preference; Molecular switch
资金
- Hoansha Foundation
Aromatic amides bearing 2-azulenyl group on the amide nitrogen were synthesized and their structures were investigated. The pi-electron density of the N-aryl group was found to influence the cis-trans conformational preferences of these compounds in solution. X-ray crystallography revealed that the plane of the 2-azulenyl ring has a strong tendency to lie coplanar with the amide plane when the azulene group is located on the same side as the amide oxygen atom. (C) 2018 Elsevier Ltd. All rights reserved.
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