Carbon-13 NMR investigation of microtactic structure of polyvinylpyrrolidone
β Scribed by V. I. Dubrovin; V. P. Panov
- Book ID
- 104849229
- Publisher
- Springer US
- Year
- 1980
- Tongue
- English
- Weight
- 296 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0021-9037
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π SIMILAR VOLUMES
Sequence distribution of atactic poly(phenylvinylketone) (PPVK) has been determined by [13C]-[IH]NMR spectroscopy. Quantitative analysis of the carbonyl pattern allows resolution into pentads with intensities fitting a first order Markov process. The carbonyl pattern of highly isotactic PPVK, initia
## Abstract Highβresolution carbonβ13 NMR spectra were obtained for three solid fluorinated steroids. Assignments were carried out using several approaches, including twoβdimensional spectra of the compounds in solution. Solidβstate and solutionβstate chemical shifts are compared. Signals from one