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13C nuclear magnetic resonance studies on aromatic aldehydes. Torsional barriers and conformational equilibria in pyridinecarbaldehydes

✍ Scribed by Drakenberg, Torbj�rn

Book ID
111896750
Publisher
Royal Society of Chemistry
Year
1976
Tongue
English
Weight
368 KB
Volume
2
Category
Article
ISSN
1472-779X

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13C nuclear magnetic resonance studies of saturated heterocycles: II—substituent effects on the 13C chemical shifts of methyl substituted 1,3-dithianes and their application to the determination of conformational equilibria
✍ Kalevi Pihlaja; Börje Björkqvist 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 310 KB 👁 1 views

## Abstract The ^13^C chemical shifts for 1,3‐dithiane and 9 methyl substituted derivatives are reported. Only three of the methyl‐1,3‐dithianes were conformationally anancomeric and hence the conformational equilibria must be taken into account when deriving the values of the different substituent