Proton and carbon-13 nuclear magnetic resonance studies of conformations of 1,3-dipyridylthioureas
- 1 January 1986
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 11,p. 1647-1650
- https://doi.org/10.1039/p29860001647
Abstract
Studies of 1H and 13C chemical shifts and of 1H–1H, 13C–1H coupling constants of 1,3-di-(2-pyridyl)thiourea and its substituted derivatives indicate the occurrence of topomerisation between two internally hydrogen-bonded conformers, with a Z,EE,Z interconversion barrier of ca. 55.0 kJ mol–1.Keywords
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