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14N nuclear quadrupole resonance in substituted isatin compounds

✍ Scribed by P. J. Bray; R. V. Mulkern; S. G. Greenbaum


Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
248 KB
Volume
23
Category
Article
ISSN
0749-1581

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πŸ“œ SIMILAR VOLUMES


14N nuclear quadrupole resonance in carb
✍ N. S. Kim; P. J. Bray πŸ“‚ Article πŸ“… 1981 πŸ› John Wiley and Sons 🌐 English βš– 428 KB

## Abstract Nitrogen‐14 nuclear quadrupole resonance frequencies at 77 K are reported for a series of carbazole compounds including __N__‐vinylcarbazole. Differences in charge distribution between pyrrole and carbazole are explained on the basis of delocalization of pi electrons. Effects of the ald

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Using the technique of nuclear doible ;x?mnane wias&n mking by !ev& crossing, tie nuclear quadrupole r~SO~;ll;~ of 14N has been msnsurcd in L-histidine, D-L-histidine. L-histidinz hydrochloride monohydrate, sodium UDXZIE?~~ and urocmic acid at 77 K. The nuclear quadrupofe resonamz of both 14N and 2E

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✍ N. S. Kim; P. J. Bray πŸ“‚ Article πŸ“… 1981 πŸ› John Wiley and Sons 🌐 English βš– 492 KB

## Abstract Nitrogen‐14 nuclear quadrupole resonance (NQR) spectra of nicotinic acid derivatives, known as antitumor agents, are reported and analyzed in the framework of the Townes and Dailey theory. A strong correlation exists between the charge difference Οƒ~NC~ βˆ’ Ο€ at the pyridinic nitrogen and

14N nuclear quadrupole resonance in N-ac
✍ G. F. Sadiq; S. G. Greenbaum; P. J. Bray πŸ“‚ Article πŸ“… 1981 πŸ› John Wiley and Sons 🌐 English βš– 295 KB

## Abstract ^14^N Nuclear quadrupole resonance (NQR) spectra of several __N__‐acetyl amino acids and related compounds are reported and analyzed within the framework of the Townes and Dailey theory. The inductive effect of the chloroacetyl group on the nitrogen is discussed. A positive correlation

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The niirogen-14 nuc!ear qundrupole resonance spectrum of the potassium sait of 7,7', 8,8'-tetracyanoquinodimcthan (K-TCNQ) as found at liquid nitrogen temperature is presented. The data are interpreted in terms of the Townes and Dailey theory and compared with those available for sleutrnl TCNQO. The