13C NMR relaxation study and 2D correlation spectroscopic investigation of some quinazoline- and pyrido[4,3-d]pyrimidine-2(1H)-ones and -thiones

András Neszmélyi, T. Lóránd

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Abstract

The conformation in solution and microdynamics of 8-benzylidene-4-phenyl-3, 4,5,6,7,8-hexahydroquinazoline-2(1H)-thione (1) have been examined at high-field by two-dimensional NMR correlation spectroscopy and on the basis of T 1 relaxation times. To assist the interpretation theoretical energy calculations (MM2) were invoked. Earlier spectral assignments concerning 1 and related compounds have been corrected.

Original languageEnglish
Pages (from-to)1559-1561
Number of pages3
JournalJournal of the Chemical Society, Perkin Transactions 2
Issue number10
Publication statusPublished - 1991

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Quinazolines
Thiones
Relaxation time
Conformations
Nuclear magnetic resonance
Spectroscopy
pyrido(4,3-d)pyrimidine

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

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abstract = "The conformation in solution and microdynamics of 8-benzylidene-4-phenyl-3, 4,5,6,7,8-hexahydroquinazoline-2(1H)-thione (1) have been examined at high-field by two-dimensional NMR correlation spectroscopy and on the basis of T 1 relaxation times. To assist the interpretation theoretical energy calculations (MM2) were invoked. Earlier spectral assignments concerning 1 and related compounds have been corrected.",
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