1940
DOI: 10.1021/ja01860a011
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Spectroscopic Evidence for Hydrogen Bonds: SH, NH and NH2 Compounds

Abstract: phenylhydrazone, N-butyl-N-phenyl-N'a-naphthylurea, and 3-ethyl-2-propylquinoline hydriodide and methiodide. Chicago, Illinois

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Cited by 68 publications
(28 citation statements)
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“…Thus, the visible absorption band can be attributed to the zwitterionic form of the molecule. This conclusion is consistent with the interpretation of other workers (11,12,14).…”
Section: S-supporting
confidence: 94%
“…Thus, the visible absorption band can be attributed to the zwitterionic form of the molecule. This conclusion is consistent with the interpretation of other workers (11,12,14).…”
Section: S-supporting
confidence: 94%
“…Of particular relevance to this work is the report of Oswald et al,12 in which the reactivity of alkylammonium thiolate salts in hydrocarbon solvents is reported: The acidity of aliphatic thiols (p K a = 12–14) is insufficient to allow for the isolation of their ammonium salts. However, the close association of aliphatic thiols and alkylamines is well documented,13 and Wallace et al14 demonstrated the ease with which these thiols could be oxidized by air in a tetramethylguanidine solution. These observations are relevant to this case because we were unable to isolate a salt of dodecanethiol and DBU and yet observed significant thiol oxidation rates.…”
Section: Resultsmentioning
confidence: 99%
“…In connection with steric effects, it m ay be of interes t to no te th e use of th e difference in wavelength b etween monomer and polym er bands as a m easure of th e elec tronegativity of the group or atom to which the bridge-forming hy drogen is attach ed, such as in the s tudies by Gordy and others, of which the paper by Gordy and Stanford [20] is an example. Also to be no ted is the use of the clifference as a m easure of st eric hindrance in t uciies like those of Coggcshall [16] and Seal' and Ki tch en [18] wi th phenols.…”
Section: Effect Of Steric Hindran Ce On Associationmentioning
confidence: 99%