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Assignment of ring size in isopropylidene acetals by 13C N.M.R.

✍ Scribed by J.Grant Buchanan; M.Encarnacion Chacón-Fuertes; Alan R. Edgar; Simon J. Moorhouse; David I. Rawson; Richard H. Wightman

Book ID
108380051
Publisher
Elsevier Science
Year
1980
Tongue
French
Weight
209 KB
Volume
21
Category
Article
ISSN
0040-4039

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✍ Earl B. Whipple 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 262 KB

## Abstract Characteristic differences in multiplet hyperfine structure observed in coupled ^13^C n.m.r. spectra of symmetrical __o__‐disubstituted benzene rings are explained on general grounds. Contrary to earlier proposals, the observation of this effect in unsymmetrical systems is not a suitabl