期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 21, 页码 6268-6271出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201304462
关键词
basicity; Hammett analysis; non-covalent interactions; polar- interactions; pyridines
资金
- Radboud University Nijmegen
- Netherlands Organization for Scientific Research (NWO-CW)
- National Research School Combination Catalysis (NRSC-C)
The through-space polar- interactions between pyridinium ion and the adjacent aromatic rings in 2,6-diarylpyridines affect the pK(a)values. Hammett analysis illustrates that the basicity of pyridines correlates well with the sigma values of the substituents at the paraposition of the flanking aryl rings.
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