Reaction of epoxides with phosphine selenides and trifluoroacetic acid. Evidence for the formation of episelenides
β Scribed by T.H. Chan; J.R. Finkenbine
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- French
- Weight
- 200 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
The rate constant for the gas-phase reaction of the hydroxyl radical with trifluoroacetic acid has been determined over the temperature range 283-323 K using a relative rate technique. The results provide a value of k( OH+CF,C(O)OH) = 2.O~lO-\*~exp(-l46~500/T)cm~molecule~'s-'basedonk(OH+C~H,)=7.8~lO
Alkylation of long-chain saturated, unsaturated and unsaturated hydroxy fatty acids with ethereal diazomethane was investigated. Upon reaction with ethereal diazomethane, fatty acids dissolved in a minimal volume of diethyl ether/methanol (9:1) produced 98---99% methyl ester. Omission of methanol ca
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