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Detection of halogen bond formation by correlation of proton solvent shifts. II—methylene halides in n-electron donor solvents

✍ Scribed by José Fernández Bertrán; Mario Rodríguez

Book ID: 102530288
Publisher: John Wiley and Sons
Year: 1980
Tongue: English
Weight: 225 KB
Volume: 14
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1270140404

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✦ Synopsis

The solvent shifts of the methylenic protons of CH,CI,, CH2Br, and CHJ, have been measured in amines, ethers and non-polar solvents. Correlation of the solvent shifts of the bromine and iodine compounds ABr and A,, respectively, with those of the chlorine compounds, &,, serves as a monitor of halogen bonding interactions which are competitive with hydrogen bonding association. Amines interact with CHJ, via a halogen bond while in ethers hydrogen bonding predominates. CH2Br, shows solute-solvent interactions identical to CH2CI,.

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Detection of halogen bond formation by correlation of proton solvent shifts. 1. Haloforms in n-electron donor solvents

✍ José Fernández Bertrán; Mario Rodríguez 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 300 KB

The solvent shifts of haloformic protons, (Cl,CH, Br3CH, 13CH), have been measured in 24 n-electron donor solvents consisting of halogenated hydrocarbons, esters, ketones, ethers and amines. Deviations of ABr and A, from linear dependence with Ac, are indicative of the presence of halogen bond forma