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Determination of one‐bond 14 N 13 C coupling constants in amines using 13 C T 1ρ measurements
Author(s) -
Mlynárik V.
Publication year - 1981
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270170308
Subject(s) - diethylamine , pyrrolidine , steric effects , triethylamine , coupling constant , piperidine , chemistry , yield (engineering) , isopropyl , analytical chemistry (journal) , crystallography , stereochemistry , physics , medicinal chemistry , thermodynamics , organic chemistry , particle physics
13 C T 1ρ values measured for isobutylamine, diethylamine, pyrrolidine, piperidine and triethylamine yield one‐bond 14 N 13 C coupling constants and 14 N spin‐lattice relaxation times. A decrease of 1 J ( 14 N 13 C) was observed in sterically hindered secondary amines.