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Carbon‐13 nuclear magnetic resonance studies on dichloropyridoquinolines
Author(s) -
Molock Frank F.,
Boykin David W.
Publication year - 1982
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.1270200105
Subject(s) - chemical shift , pyridine , substituent , chemistry , coupling constant , lanthanide , chlorine , spectral line , carbon 13 , decoupling (probability) , nitrogen , carbon fibers , proton , nuclear magnetic resonance , computational chemistry , stereochemistry , materials science , organic chemistry , physics , nuclear physics , ion , particle physics , astronomy , control engineering , composite number , engineering , composite material
Carbon‐13 NMR chemical shifts are reported for six angular and one linear dichloropyridoquinolines in CDCl 3 . The chemical shift assignments have been made using model compounds, fully coupled spectra, selective proton decoupling and results from lanthanide shift studies. Chlorine substituent effects are compared to those reported for chloroquinolines. The effect of the heteroaromatic nitrogen atoms on 13 C 1 H coupling constants in these polycyclic systems are compared to those reported for pyridine systems.