Nitrogen Chemical Shifts in Organic Compounds

Determination of Organic Structures by Physical Methods

1956 • 666 citations

The Dependence of a Nuclear Magnetic Resonance Frequency upon Chemical Compound

1950 • 280 citations

Annual Reports on NMR Spectroscopy

2018 • 244 citations

Nuclear magnetic resonance spectroscopy. Benzene-13C

1967 • 148 citations

Interpretation of the proton and nitrogen chemical shifts of pyridine and pyridinium cation

1964 • 143 citations

Chemical Applications of Nuclear Magnetic Double Resonance.

1963 • 134 citations

Nitrogen-14 nuclear magnetic resonance of azoles and their benzo-derivatives

1972 • 119 citations

Stable Carbonium Ions. LXV: Protonation of Hydrogen Cyanide and Alkylnitriles in <font>FSO</font>₈<font>H</font>–<font>SbF</font>₅–<font>SO</font>₂ Solution. Comparative Study of Meerwein's <font>N</font>-Alkylnitrilium Ions

2003 • 118 citations

Progress in nuclear magnetic resonance spectroscopy

1972 • 117 citations

¹⁴N chemical shifts in organic compounds

1964 • 113 citations

Nitrogen-15 nuclear magnetic resonance spectroscopy. XIII. Pyridine-15N

1971 • 112 citations

Two Synthesizer Nuclear Spin Decoupling; INDOR Spectra of C13F3COOH and CF3C13OOH, N14H4+, and (CH3)4Si29

1962 • 112 citations

Nuclear Magnetic Antishielding of Nuclei in Molecules. Magnetic Moments of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>19</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow><mml:mrow><mml:mn>14</mml:mn></mml:mrow></…

1964 • 99 citations

Origin of linearity of carbon-13 shift with charge. Calculations for the azines

1969 • 88 citations

Nuclear Magnetic Resonance in Chemistry

1966 • 81 citations

Nitrogen-15 nuclear magnetic resonance spectroscopy. Substituent effects on 15N-H coupling constants and nitrogen chemical shifts in aniline derivatives

1971 • 81 citations

Annual review of NMR spectroscopy

1968 • 78 citations

Nitrogen-14 nuclear magnetic resonance. VI. Trigonally hybridized nitrogen atoms

1968 • 75 citations

Nitrogen-15 Nuclear Magnetic Resonance Evidence That Mg²⁺ Does Not Complex with Nitrogen Atoms of Adenosine Triphosphate

1966 • 70 citations

Molecular-Beam Magnetic-Resonance Studies of the Nitrogen Molecule

1964 • 67 citations

Nitrogen-15 nuclear magnetic resonance shifts in pure methylamines and pure methyl isocyanide-nitrogen-15

1971 • 64 citations

Nuclear magnetic resonance and infrared studies of N^15-substituted trimethylsilyl-, -germyl-, and -stannylanilines. A Test of (p-&gt;d)-.pi. interactions in Group IV nitrogen bonds

1968 • 63 citations

Double Resonance Spectra of N14 and N15 Ammonium Ion

1962 • 57 citations

Nitrogen-14 nuclear magnetic resonance of some six-membered aromatic heterocycles

1971 • 56 citations

Quadrupole Relaxation and Structures in Nitrogen Magnetic Resonances of Ammonia and Ammonium Salts

1957 • 51 citations

Nitrogen-15 Magnetic Resonance Spectroscopy. VI. Pyrimidine Derivatives^1,2

1965 • 49 citations

Nuclear magnetic resonance in chemistry

1965 • 48 citations

Nuclear Magnetic Resonance Studies of Nitriles and Isocyanides: Acetonitrile and Methyl Isocyanide

1965 • 44 citations

¹⁴N nuclear magnetic resonance: amines and ammonium ions

1969 • 43 citations

NITROGEN-15 MAGNETIC RESONANCE SPECTROSCOPY, I. CHEMICAL SHIFTS

1964 • 43 citations

Heteronuclear double resonance on formamide-¹⁵N and ammonium-¹⁵N using weak perturbing radiofrequency fields

1969 • 42 citations

A semi-empirical self consistent field molecular orbital calculation on pyridine and pyridinium ion including all valence electrons

1968 • 42 citations

Chemical Shifts of Nitrogen

1955 • 42 citations

Hydrogen bond studied by nitrogen-14 nuclear magnetic resonance. II. Heteronuclear magnetic double resonance study of nitrogen-14 hydrogen-bond shifts of pyrroles and indole

1971 • 40 citations

Nitrogen-15 Magnetic Resonance Spectroscopy. IV. The Degenerate Bimolecular Exchange of Protons in Ketimines^1,2

1965 • 39 citations

Nitrogen nuclear magnetic resonance. Part I. The nitroso (nitrosyl) group

1970 • 37 citations

15N NMR Chemical Shifts in 15ND3, 15ND2H, 15NDH2, and 15NH3

1969 • 37 citations

¹⁴N chemical shifts in primary and secondary amides

1966 • 35 citations

Chemical Shifts of 14N in the NMR Spectra of Linear Triatomic Molecules and Ions

1966 • 35 citations

On the Magnetic Moments of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Mn</mml:mi></mml:mrow><mml:mrow><mml:mn>55</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Co</mml:mi></mml:mrow><mml:mrow><mml:mn>59</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>,<mml:math xmlns…

1950 • 35 citations

Isotope Shifts and Spin Coupling in the Proton Magnetic Resonance of Deuterated Ammonium Ions

1966 • 34 citations

Hydrogen bond studies by nitrogen-14 nuclear magnetic resonance. III. Electron redistribution associated with hydrogen bonding and metal-complex formation of formamide and N-methylacetamide

1971 • 34 citations

Heteronuclear magnetic double resonance: spin–spin couplings involving nitrogen-14

1967 • 34 citations

¹³C‐, ¹⁴N‐ und ¹H‐kernresonanzspektroskopische Untersuchungen an m‐/p‐substuierten N‐Methylpyridiniumjodiden

1971 • 33 citations

Nitrogen-14 Nuclear Magnetic Resonance in Nitro Compounds

1964 • 33 citations

Selection of dipivalomethanate chelates as shift reagents for nitrogen-14 nuclear magnetic resonance

1971 • 32 citations

Nitrogen-14 nuclear magnetic resonance—V1–4

1967 • 32 citations

Nitrogen-15 nuclear magnetic resonance shifts in liquid ammonia-15N-solvent mixtures

1969 • 32 citations

The effect of solvent interactions and hydrogen bonding on 15N chemical shifts and 15NH coupling constants

1970 • 32 citations

Tautomerism in 1-phenylazo-2-naphthols by use of nitrogen-14 nuclear magnetic resonance data

1968 • 31 citations

Chemical Shift of the N¹⁴ Magnetic Resonance

1953 • 31 citations

Nitrogen-15 Magnetic Resonance Spectroscopy. V. Oxygen-Nitrogen Compounds¹

1965 • 29 citations

Chemical shifts of N14 in the NMR spectra of ammonia and related compounds

1958 • 29 citations

14N nuclear magnetic resonance of covalent azides

1972 • 28 citations

The Nitrogen-15 Nuclear Magnetic Resonance Spectrum of the S₄N₄+ Ion

1965 • 28 citations

¹⁴N chemical shifts in thioamides

1967 • 26 citations

Nuclear relaxation and molecular properties

1969 • 26 citations

N.M.R. spectra of molecules containing quadrupolar nuclei

1970 • 25 citations

Calculation of Nitrogen Chemical Shifts

1968 • 25 citations

Calculation of the Chemical Shifts by the Semi-empirical SCF MO Method for All Valence-elctron Systems

1970 • 24 citations

Double resonance studies of isotope effects on nitrogen chemical shifts

1971 • 23 citations

Natural abundance nitrogen-15 nuclear magnetic resonance spectroscopy—amino-acid derivatives

1971 • 23 citations

Nitrogen-15 nuclear magnetic resonance shifts in trimethyl amine-N15-solvent systems

1970 • 22 citations

¹⁴N-Kernresonanzmessungen an Isonitril- und Nitril-Metallkomplexen

1970 • 22 citations

A proposed scale for nitrogen chemical shifts

1971 • 22 citations

Spektroskopische und theoretische Untersuchungen am Borazolmolek�l und seinen Bortrihalogenoderivaten

1967 • 22 citations

Hydrogen bond studied by 14N nuclear magnetic resonance I.

1965 • 21 citations

Effect of Yb(DPM)3 and Eu(DPM)3 on nitrogen-14 magnetic resonance

1971 • 21 citations

Nuclear Magnetic N14 Resonance Spectra, Molecular Structures, and Exchange Reactions in the System N2O5–NO2+–NO3—–H2O

1956 • 20 citations

High resolution 15N nuclear magnetic resonance in natural abundance by Fourier pulsed techniques

1971 • 19 citations

Nuclear magnetic resonance studies of N14 bonded to carbon

1965 • 19 citations

15N NMR Shifts in 13NH3 Liquid and Vapor

1969 • 18 citations

Electric Quadrupole Contribution to Chemical Shifts in Liquids Induced by Intramolecular Hindered Rotations

1964 • 18 citations

Heteronuclear double resonance: partially deuteriated ammonium bromide

1968 • 18 citations

Chemical shifts of N14 in the NMR spectra of nitrates, nitrites, and nitro-compounds

1958 • 18 citations

A ¹⁴N nuclear magnetic resonance study on nitrogen–oxygen–halogen compounds

1969 • 18 citations

¹⁴N chemical shifts in some benzthiazoles

1967 • 17 citations

15N-H coupling constants and nitrogen shifts in some substituted [15N]aniline derivatives

1969 • 17 citations

Proton and Nitrogen Magnetic Resonance Spectra and Structure of Nitramide and Nitrourethane

1957 • 17 citations

¹⁴N nuclear magnetic resonance of some monosubstituted pyridines

1972 • 16 citations

Structural Isomer Discrimination between Cyanamides and Carbodiimides by Nitrogen Nuclear Magnetic Resonance

1958 • 16 citations

14N chemical shifts of isocyanates and cyanates

1970 • 16 citations

Nitrogen-14 nuclear magnetic resonance and molecular orbitals in nitrocarbanion systems

1970 • 15 citations

Nitrogen-15 nuclear magnetic resonance shifts and coupling constants for the methylamine hydrochlorides in aqueous solution

1971 • 15 citations

A reinvestigation of nitrogen-15 chemical shifts of para-substituted nitrobenzenes

1969 • 15 citations

Nitrogen nuclear resonances in dimethyl formamide

1962 • 15 citations

Nitrogen-14 and -15 nuclear magnetic resonance spectroscopy. Part III. The diamagnetic correction and the absolute scale of nitrogen chemical shift

1970 • 15 citations

N.M.R. heteronuclear tickling with nuclei of spin 1

1969 • 14 citations

Chemical shifts of N14 in the NMR spectra of compounds containing NH2 and CN groups

1959 • 14 citations

Nitrogen-15 Magnetic Resonance Spectroscopy. VII. Chemical Shifts of para-Substituted Nitrobenzenes¹

1966 • 13 citations

Solvent Effects on¹⁴N Chemical Shifts in Formamides

1968 • 13 citations

Nitrogen Chemical Shifts of Substituted Pyridines

1969 • 12 citations

Nuclear Magnetic Resonance of Azides

1962 • 12 citations

Nitrogen-14 chemical shifts in ureas

1968 • 12 citations

Über Cyanatverbindungen und deren reaktives Verhalten. X. ¹⁴N‐NMR‐Untersuchungen an einigen diamagnetischen Metall‐ und Triphenylzinnthiocyanatverbindungen sowie Kaliumselenocyanat

1971 • 12 citations

Nitrogen-14 chemical shifts in nitro compounds

1967 • 11 citations

Nitrogen-14 nuclear magnetic resonance determination of the quadrupole coupling constants of methyl isocyanide and ethyl isocyanide

1969 • 11 citations

Nitrogen-14 nuclear magnetic resonance. Part IV. Aromatic nitrocompounds

1967 • 10 citations

Nitrogen-14 nuclear magnetic resonance. Part II. Additivity rules for chemical shifts in nitroalkanes

1967 • 10 citations

Notizen: ¹⁴N-Kernresonanzmessungen an Metallfulminat- und -nitrosyl-Verbindungen

1970 • 9 citations

Nitrogen nuclear magnetic resonance spectroscopy. Part IV. The azo-compounds and hyponitrite ion

1971 • 9 citations

15N Nuclear Magnetic Resonance

1971 • 8 citations

The chemical shift. II. A study of ¹⁴N chemical shifts in nitrogen–oxygen–halogen compounds

1970 • 8 citations

Spektroskopische und theoretische Untersuchungen am π‐Elektronensystem einiger Halogenderivate des Pyridins

1969 • 8 citations

¹⁴N chemical shifts in some amide vinylogues

1969 • 7 citations

Nitrogen-14 couplings in aliphatic nitramines

1968 • 6 citations

Nitrogen nuclear magnetic resonance spectroscopy. Part II. The nitro (nitryl) and nitrate groups

1970 • 6 citations

14N-kernresonanzspektroskopische Untersuchungen an o-substituierten N-Äthylpyridiniumkationen

1971 • 6 citations

Interaction between a phenyl ring and silicon atom. The nitrogen–14 nuclear magnetic resonance of nitrophenyltrimethylsilanes

1968 • 6 citations

Nitrogen-14 chemical shifts in some substituted anilines

1971 • 6 citations

A simple diagnostic method of amino function of organic compounds using nitrogen-14 chemical shifts

1971 • 5 citations

¹⁴N chemical shifts in the enamino ketone quaternary ammonium salts

1971 • 5 citations

The structure of dinitrogen trioxide

1968 • 5 citations

The nitrogen-14 NMR chemical shifts of some Group IV isothiocyanates

1971 • 5 citations

Annual review of NMR spectroscopy

1971 • 4 citations

14N chemical shifts in some hydroxyquinolines

1967 • 3 citations