Add to ORKGProton and nitrogen-15 magnetic resonance spectra of several derivatives of pyrimidine have been studied. Long-range ^(15)N-H couplings were observed in uracil- ^(15)N_2, 2,4-dichloropyrimidine-^(15)N_2, 2,4-dimethoxypyrimidine- ^(15)N_2, 1-methyl-4-methoxy-2-pyrimidone ^(15)-N_2, and 1-methylcytosine-^(15)N_2. A particularly large ^(15)N_(1)-C-H coupling (12.5 c.p.s.) has been observed in 2,4-dichloropyrimidine-^(15)N_2. 1-Methylcytosine-^(15)N_2 has been shown to protonate at N_(3) in agreement with previously reported work on 1-methylcytosine labeled only in the amino group
High-resolution, natural-abundance ^(13)C spectra have been obtained for pyridine, pyridazine, pyrim...
Solvent effects were determined for the^(15)N NMR chemical shifts of some primary, secondary, and te...
High-resolution, 18.25-MHz nitrogen-15 NMR spectra of several carbodiimides (1) have been obtained a...
Proton and nitrogen-15 magnetic resonance spectra of several derivatives of pyrimidine have been stu...
From high-resolution proton, ^(13)C, and ^(15)N nuclear magnetic resonance spectra of ^(15)N-enriche...
From high-resolution proton, ^(13)C, and ^(15)N nuclear magnetic resonance spectra of ^(15)N-enriche...
High-resolution nitrogen-15 NMR spectra of six nucleosides and six nucleotides have been obtained at...
High-resolution nitrogen-15 NMR spectra of six nucleosides and six nucleotides have been obtained at...
Development of a promising new approach to the calculation of nuclear spin coupling constants, capab...
Coupling constants have been measured between nitrogen-15 and directly bonded hydrogen or carbon-13,...
Coupling constants have been measured between nitrogen-15 and directly bonded hydrogen or carbon-13,...
In contrast to the extensive investigations of the dependence of vicinal proton-proton and protonflu...
316 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981.The classical and quantum mec...
Nitrogen-15 NMR spectra of 11 ketenimines have been taken both at the natural-abundance level of ^(1...
The structure of nitroguanidine was investigated by the application of 15N, 1H and 13C NMR spectrosc...
High-resolution, natural-abundance ^(13)C spectra have been obtained for pyridine, pyridazine, pyrim...
Solvent effects were determined for the^(15)N NMR chemical shifts of some primary, secondary, and te...
High-resolution, 18.25-MHz nitrogen-15 NMR spectra of several carbodiimides (1) have been obtained a...
Proton and nitrogen-15 magnetic resonance spectra of several derivatives of pyrimidine have been stu...
From high-resolution proton, ^(13)C, and ^(15)N nuclear magnetic resonance spectra of ^(15)N-enriche...
From high-resolution proton, ^(13)C, and ^(15)N nuclear magnetic resonance spectra of ^(15)N-enriche...
High-resolution nitrogen-15 NMR spectra of six nucleosides and six nucleotides have been obtained at...
High-resolution nitrogen-15 NMR spectra of six nucleosides and six nucleotides have been obtained at...
Development of a promising new approach to the calculation of nuclear spin coupling constants, capab...
Coupling constants have been measured between nitrogen-15 and directly bonded hydrogen or carbon-13,...
Coupling constants have been measured between nitrogen-15 and directly bonded hydrogen or carbon-13,...
In contrast to the extensive investigations of the dependence of vicinal proton-proton and protonflu...
316 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981.The classical and quantum mec...
Nitrogen-15 NMR spectra of 11 ketenimines have been taken both at the natural-abundance level of ^(1...
The structure of nitroguanidine was investigated by the application of 15N, 1H and 13C NMR spectrosc...
High-resolution, natural-abundance ^(13)C spectra have been obtained for pyridine, pyridazine, pyrim...
Solvent effects were determined for the^(15)N NMR chemical shifts of some primary, secondary, and te...
High-resolution, 18.25-MHz nitrogen-15 NMR spectra of several carbodiimides (1) have been obtained a...