Carbon‐13 and proton NMR spectra of 1(2 H )‐isoquinolinone, 1(2 H )‐phthalazinone, 4(3 H )‐quinazolinone and their substituted derivatives | Zendy

Spassov S. L. | Zendy; Atanassova I. A. | Zendy; Haimova M. A. | Zendy

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Carbon‐13 and proton NMR spectra of 1(2 H )‐isoquinolinone, 1(2 H )‐phthalazinone, 4(3 H )‐quinazolinone and their substituted derivatives

Author(s) -

Spassov S. L.,

Atanassova I. A.,

Haimova M. A.

Publication year - 1985

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260230925

Subject(s) - chemistry , quinazolinone , chemical shift , carbon 13 nmr , tautomer , proton nmr , carbon 13 nmr satellite , coupling constant , ring (chemistry) , stereochemistry , nmr spectra database , nuclear magnetic resonance spectroscopy , bicyclic molecule , spectral line , fluorine 19 nmr , organic chemistry , physics , particle physics , astronomy

The 13 C NMR chemical shifts, one‐bond and some long‐range 13 C– 1 H coupling constants and the 1 H NMR chemical shifts for isoquinolinone, phthalazinone, quinazolinone and their derivatives containing CH 3 , COOH, COOCH 3 and CH 2 COOH substituents in the hetero‐ring are reported. The NMR data are in agreement with the lactam structure for all compounds studied; no evidence for the detectable presence of other tautomers was obtained.

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