On the 13C n.m.r. spectrum of alternating copolymers from butadiene and methacrylonitrile
✍ Scribed by K.-F. Elgert; B. Stützel; Imre Forgó
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 242 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0032-3861
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## 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
## Abstract The ^13^C n.m.r. spectrum of mutarotated D‐ribose is completely assigned by using 2‐ and 3‐deuterio‐D‐ribose as reference compounds. The signal intensities of the largely relaxed ^13^C n.m.r. spectrum are evaluated, and the equilibrium mixture of mutarotated D‐ribose is found to consist