The Catalytic Olefination Reaction of Aldehydes and Ketones with CBr3CF3.
β Scribed by Valentine G. Nenajdenko; Georgy N. Varseev; Alexey V. Shastin; Elisabeth S. Balenkova
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 22 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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π SIMILAR VOLUMES
## Abstract The relative rate technique has been used to determine the rate constants of the reactions of OH radicals with CF~3~CClο£ΎCCl~2~ (__k__~1~), CF~3~CClο£ΎCClCF~3~ (__k__~2~) and CF~3~CFο£ΎCFCF~3~ (__k__~3~). Experiments were carried out at (298Β±2) K and atmospheric pressure using ultrapure nitr
Hydrogen abstraction from boron trimethyl has been studied using the abstracting radicals CF3 and CD3, from the photolysis of the corresponding ketones over the temperature range of 150Β° to 300Β°C. The following Arrhenius parameters were obtained: 98 kcal/mole (CFJ + BMe3); log A = 11.6, E = 6.59 kc
The rate constants for the reactions of OH radicals with CH 3 OCF 2 CF 3 , CH 3 OCF 2 CF 2 CF 3 , and CH 3 OCF(CF 3 ) 2 have been measured over the temperature range 250-430 K. Kinetic measurements have been carried out using the flash photolysis, laser photolysis, and discharge flow methods combine