13C NMR chemical shifts of 2,4,5,- tri-substituted 2H-pyridazin-3-ones
✍ Scribed by T. Liptaj; V. Konečny; Š Kovác
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 155 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0749-1581
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✦ Synopsis
Abstract
The ^13^C NMR spectra of a series of 2‐X‐4‐Y‐5‐Z‐substituted 2H‐pyridazin‐3‐ones were measured and assigned on the basis of results from one‐dimensional semi‐selective INEPT or one‐dimensional relayed coherence transfer (HICUUP) experiments.
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## Abstract The ^13^C NMR spectra of 26 substituted 2‐azabicyclo[3.3.1]nonan‐7‐ones are reported, providing a diagnostic method for the stereochemical elucidation of the relative configuration of these products.
The I3C NMR spectra for eight 2-(4'-substituted)phenylisatogens were determined at 30°C in CDCI, . Analysis of the ipso-carbon SCS values was carried out using the well known DSP and DSP-NLR models. Changes in the "C SCS values for the carbon atoms in the isatogen moiety suggest that a small degree