¹⁵N‐NMR study of activated enamines. Structural dependence of δ (¹⁵N) and ⁿJ(N,H) in primary, secondary and tertiary enamino‐ketones, esters and amides

NMR - Basic Principles and Progress

1972 • 2,665 citations

Enhancement of nuclear magnetic resonance signals by polarization transfer

1979 • 1,957 citations

Nuclear magnetic resonance studies of amides

1970 • 986 citations

Net polarization transfer via a J-ordered state for signal enhancement of low-sensitivity nuclei

1980 • 609 citations

Enamines : synthesis, structure, and reactions

1969 • 389 citations

Enaminones

1977 • 384 citations

Sensitivity enhancement in nitrogen-15 NMR: polarization transfer using the INEPT pulse sequence

1980 • 355 citations

Annual reports on NMR spectroscopy

1982 • 249 citations

Vicinal C,H spin coupling in substituted alkenes. Stereochemical significance and structural effects

1975 • 238 citations

Nitroenamines

1981 • 201 citations

Spectroscopic Studies of Keto-Enol Equilibria. IX. N¹⁵-Substituted Anilides^1,2

1966 • 201 citations

Spectroscopic Studies of Keto-Enol Equilibria. VII. Nitrogen-15 Substituted Schiff Bases

1964 • 120 citations

¹⁵N‐NMR Spectra of Azoles with Two Heteroatoms

1983 • 102 citations

Some quantum chemical aspects of solvent effects on NMR parameters

1981 • 92 citations

Conformational analysis by nuclear magnetic resonance. Nitrogen-15 and carbon-13 spectra of lactams

1976 • 77 citations

Residual splittings in off resonance decoupled NMR spectra

1972 • 74 citations

¹H‐¹⁵N Spin–spin couplings in alumichrome

1978 • 66 citations

Advantages of nitrogen-15 NMR in studying delocalization and evaluating the energy barriers of carbon-nitrogen rotation process in amides, thioamides, and related compounds

1977 • 64 citations

Stereochemical dependence of the vicinal 13C′NCα1H and 1HCαC′15N proton-heteroatom coupling constants in the NMR spectra of peptides. Comparison of experimental and theoretical data

1975 • 51 citations

n‐π‐Interaction in Enamines and Enaminoketones. A ¹⁵N‐NMR. Study

1977 • 50 citations

Nuclear magnetic resonance studies of hindered internal rotation in higher N,N-dialkylamides and -thionamides

1970 • 48 citations

Conformational studies by nuclear magentic resonance—II: The effect of steric factors on hindered rotation in enamino aldehydes and ketones

1972 • 48 citations

Nuclear Magnetic Resonance Determination of the Angle Ψ in Peptides

1972 • 47 citations

Geminal C,H spin coupling in substituted alkenes

1980 • 44 citations

Application de la Résonance Magnétique de l'Azote 15 à l'Etude de la Délocalisation Electronique dans les Anilines, Aminopyridines et Enamines

1979 • 37 citations

¹⁴N chemical shifts in primary and secondary amides

1966 • 35 citations

¹⁵N,¹H coupling constants in pyridines and pyrimidines An application of the INEPT pulse sequence

1981 • 35 citations

Advances in Organic Chemistry. Methods and Results.

1964 • 35 citations

C,H coupling constants of propene

1979 • 32 citations

Structural studies by ¹H and ¹³C d.n.m.r.: I—barrier to trans‐cis isomerization in aliphatic enamino ketones of the type RCOCHCHNHR₁

1976 • 31 citations

Applications of ¹⁵N NMR spectroscopy to the study of unsymmetrically N‐substituted amides and model peptide compounds

1980 • 29 citations

The conformational dependence of vicinal¹⁵N-C-C-H coupling constants in peptides

1974 • 28 citations

¹⁵N chemical shifts as a conformational probe in enaminones A variable temperature study at natural isotope abundance

1981 • 27 citations

¹⁴N chemical shifts in thioamides

1967 • 26 citations

Conformational studies by nuclear magnetic resonance—III: ASIS and protonation studies of the rotational isomerism of enamino aldehydes and ketones

1972 • 26 citations

Spectroscopic studies of keto-enol equilibria-X

1967 • 26 citations

Correlation of 13C-H spin-spin coupling constants and internuclear angles in cyclic molecules

1964 • 24 citations

Nitrogen‐15 nuclear magnetic resonance spectroscopy. Natural abundance nitrogen‐15 spectra of the cis and trans isomers of secondary alkylformamides

1981 • 24 citations

¹⁵N chemical shifts and one bond ¹⁵N¹H coupling constants in simple amides

1981 • 23 citations

Solvent‐Induced Deuterium Isotope Effects in ¹³C‐ and ¹⁵N‐NMR. Spectra of Enaminones

1982 • 22 citations

The dependence of 13C-1H coupling constants on CCC bond angles

1982 • 19 citations

Étude par rmn de l'influence des solvants et de la température sur l'équilibre cis-trans d'énaminocétones et d'énaminothiones. marquage à l'azote-15

1969 • 15 citations

Nitrogen‐15 nuclear magnetic resonance spectroscopy. NH proton exchange reactions of urea, thiourea, acetamide and thioacetamide

1982 • 15 citations

Vinylamine—XVIII

1974 • 14 citations

(¹⁵N) acetamide in polar solvents: Hindered internal rotation and intermolecular interactions

1981 • 13 citations

Nitrogen-14 chemical shifts in ureas

1968 • 12 citations

Electronic spectra of α,β-unsaturated carbonyl compounds—III

1976 • 11 citations

¹⁴N chemical shifts in some amide vinylogues

1969 • 7 citations

A ¹⁵N nuclear magnetic resonance study of the base‐catalyzed NH₂ exchange reactions of acetamide and thioacetamide

1982 • 7 citations