Kinetics of tritium isotope exchange between liquid pyrrole and gaseous hydrogen
✍ Scribed by A. Stolarz; J. Szydłowski
- Book ID
- 112676475
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 391 KB
- Volume
- 185
- Category
- Article
- ISSN
- 1588-2780
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📜 SIMILAR VOLUMES
It is shown experimentally that pentafluoroethane undergoes rapid protium-deuterium exchange with water in the presence of hydroxide ion. Addition of dimethylsulfoxide enhances the rate at least by a factor of 100. The first measured fractionation factor data are presented for the temperature range
## Abstract The results of the synthesis of 11 different tritiated alkylxanthines by solid‐phase catalytic isotope exchange are described. ^3^H‐NMR analysis of the labelled compounds shows that in contrast to liquid‐phase isotope exchange the tritium label is incorporated not only in the C‐8 (H) po