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Carbon‐13 nuclear magnetic resonance spectra of 1,2,3,4‐tetrahydroquinazoline and some 3‐benzyl derivatives
Author(s) -
Gravier D.,
Dupin J.P.,
Casadebaig F.,
Hou G.,
Petraud M.,
Moulines J.,
Barbe B.
Publication year - 1991
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570280235
Subject(s) - chemistry , chemical shift , decoupling (probability) , nuclear magnetic resonance spectroscopy , spectral line , carbon 13 nmr satellite , two dimensional nuclear magnetic resonance spectroscopy , nuclear magnetic resonance , carbon 13 nmr , pulse sequence , spectroscopy , nmr spectra database , stereochemistry , fluorine 19 nmr , physics , control engineering , astronomy , engineering , quantum mechanics
The concerted use of the 1 H/ 13 C shift correlation with full 1 H/ 1 H decoupling and the modified COLOC sequence for long‐range X/H correlation 2D nmr spectroscopy allows the total assignment of the 13 C nmr resonances of 1,2,3,4‐tetrahydroquinazoline and 3‐benzyl‐1,2,3,4‐tetrahydroquinazoline. From these data, the 13 C nmr chemical shifts of a series of 3‐benzylsubstituted‐1,2,3,4‐tetrahydroquinazolines are deduced.