Journal ArticleDOI
A chlorine-35 nuclear quadrupole resonance study of some nitrogen mustard compounds
David W Sheppard,Philip J. Bray +1 more
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In this paper, a linear relationship between the 35Cl nuclear quadrupole resonance frequency and the sum of the Hammet δ parameters for several aromatic nitrogen mustard compounds was established by f q = 1.024 ∑ i=1 n.About:
This article is published in Journal of Magnetic Resonance.The article was published on 1977-11-01. It has received 3 citations till now. The article focuses on the topics: Nuclear quadrupole resonance & Nitrogen Mustard Compound.read more
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14N nuclear quadrupole resonance study of substituted anilines and prediction of in vitro activity of sulfanilamides
TL;DR: In this article, the nuclear quadrupole resonance (NQR) spectra of 22 monosubstituted anilines were analyzed in the framework of the Townes and Dailey theory.
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14N and 35Cl nuclear quadrupole resonance data for nitrogen mustards: Attempted correlations with chemical and biological activities
TL;DR: In this paper, the 14N nuclear quadrupole resonance (NQR) spectra of several nitrogen mustard compounds are reported and analyzed in the framework of the Townes and Dailey theory.
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Dependence of nuclear quadrupole resonance parameters on temperature for para-substituted anilines
TL;DR: In this article, the temperature dependence of the 14N NQR frequencies, ν, and linewidths, ΔI, have been investigated for 4-bromoaniline, 4-chloroaniliine and 4-iodoanilines.
References
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Journal ArticleDOI
Induction Studies in Several Groups of Halogen‐Containing Organic Compounds by Their Cl35, Br79, or Br81 Pure Quadrupole Resonance Spectra
H. O. Hooper,P. J. Bray +1 more
TL;DR: In this paper, a linear relationship between the Cl35 resonance frequency and Hammett σ values has been found for some straight-chain organic compounds, such as anthraquinone and bromine quadrupole frequencies.
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Pure Quadrupole Resonance Determinations of Molecular Charge Distributions. I. Substituted Quinones, Quinolines, Pyridines, Pyrimidines, and Triazines
TL;DR: In this article, the charge distributions in quinone and several heterocyclics containing nitrogen in the ring have been determined from the pure quadrupole resonance frequencies of attached halogens.
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High Level NQR Spectrometer
TL;DR: A regenerative autodyne wired as a cathode biased grid-dip-meter is described in this paper, which is equal to Wang's spectrometer in sensitivity and far superior in reliability.