Complete assignment of the 1h‐ and 13c‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline. Concerted use of two‐dimensional nmr techniques

Kenji Sasaki, Lyle W. Castle, Raymond N. Castle

Research output: Contribution to journalArticle

Abstract

The 1H‐ and 13C‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]‐naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline were totally assigned using a combination of two‐dimensional nmr techniques. After correlation of the proton signals by a COSY spectrum and one‐bond heteronuclear correlation, complete assignment of the 1H‐ and 13C‐nmr spectra of the novel heterocyclic compounds required the application of long‐range CH coupling information particularly for quarternary resonance assignments and the orientations of individual spin systems relative to one another.

Original languageEnglish
Pages (from-to)65-71
Number of pages7
JournalJournal of Heterocyclic Chemistry
Volume31
Issue number1
DOIs
Publication statusPublished - 1994
Externally publishedYes

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Heterocyclic Compounds
Protons
quinoline

ASJC Scopus subject areas

  • Organic Chemistry

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title = "Complete assignment of the 1h‐ and 13c‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline. Concerted use of two‐dimensional nmr techniques",
abstract = "The 1H‐ and 13C‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]‐naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline were totally assigned using a combination of two‐dimensional nmr techniques. After correlation of the proton signals by a COSY spectrum and one‐bond heteronuclear correlation, complete assignment of the 1H‐ and 13C‐nmr spectra of the novel heterocyclic compounds required the application of long‐range CH coupling information particularly for quarternary resonance assignments and the orientations of individual spin systems relative to one another.",
author = "Kenji Sasaki and Castle, {Lyle W.} and Castle, {Raymond N.}",
year = "1994",
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journal = "Journal of Heterocyclic Chemistry",
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TY - JOUR

T1 - Complete assignment of the 1h‐ and 13c‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline. Concerted use of two‐dimensional nmr techniques

AU - Sasaki, Kenji

AU - Castle, Lyle W.

AU - Castle, Raymond N.

PY - 1994

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N2 - The 1H‐ and 13C‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]‐naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline were totally assigned using a combination of two‐dimensional nmr techniques. After correlation of the proton signals by a COSY spectrum and one‐bond heteronuclear correlation, complete assignment of the 1H‐ and 13C‐nmr spectra of the novel heterocyclic compounds required the application of long‐range CH coupling information particularly for quarternary resonance assignments and the orientations of individual spin systems relative to one another.

AB - The 1H‐ and 13C‐nmr spectra of [1]benzothieno[2,3‐c]naphtho[1,2‐h]quinoline and [1]benzothieno[2,3‐c]‐naphtho[1,2‐h][1,2,4]triazolo[4,3‐a]quinoline were totally assigned using a combination of two‐dimensional nmr techniques. After correlation of the proton signals by a COSY spectrum and one‐bond heteronuclear correlation, complete assignment of the 1H‐ and 13C‐nmr spectra of the novel heterocyclic compounds required the application of long‐range CH coupling information particularly for quarternary resonance assignments and the orientations of individual spin systems relative to one another.

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