期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 74, 期 24, 页码 9513-9516出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo9020453
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资金
- Queen's University
- Canadian Foundation for Innovation
- Ministry of Research and Innovation (Ontario)
- Natural Sciences and Engineering Research Council of Canada (NSERC)
The solid state structure of N,N'-di(2-pyridyl)formamidine displays a four-hydrogen-bonded dimer. In solution, two isomers are observed, one of which is selected and amplified either by crystallization or by adding protons. Solution state analysis of N,N'-di(2-pyridyl)formamidines reveals the presence of the uncommon Z formamidine isomer, which equilibrates with the E-isomer with an activation energy of 90 kJ mol(-1) in CDCl3.
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