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Nitrogen bridgehead compounds, Part 311H and 13C NMR study of tetra- and octahydro-11H-pyrido[2,1-b]quinazolin-11-ones

✍ Scribed by István Hermecz; Benjamin Podányi; Zoltán Mészáros; József Kökösi; György Szász; Gábor Tóth


Book ID
112126989
Publisher
Journal of Heterocyclic Chemistry
Year
1983
Tongue
English
Weight
218 KB
Volume
20
Category
Article
ISSN
0022-152X

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Compounds with bridgehead nitrogen. Part
✍ Trevor A. Crabb; Simon T. Ingate; Thomas G. Nevell; Steven Sumner 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 273 KB

## Abstract The positions of conformational equilibria in the four diastereoisomers of 8,9,11,11a,11b,12,13‐octahydro‐7a__H__‐quino [1,2‐__c__] [1,3] benzoxazines were investigated using ^13^C and ^1^H NMR spectroscopy. Comparison of the NMR chemical shifts of these isomers with those in the corres