102688-06-2Relevant academic research and scientific papers
Efficient, practical and reproducible reactions of a commercial hydrochlorofluorocarbon
Bainbridge, J. Marie,Brown, Samantha J.,Ewing, Paul N.,Gibson, Robin R.,Percy, Jonathan M.
, p. 2541 - 2545 (2007/10/03)
We report a reliable and reproducible procedure for the conversion of readily-available hydrochlorofluorocarbon 1-chloro-2,2,2-trifluoroethane (HCFC-133a) to a metallated difluoroalkene (1-chloro-1-lithio-2,2-difluoroethene) which can be trapped with a range of electrophiles to afford high isolated yields of products. 1-Chloro-1-lithio-2,2-difluoroethene generated by our method reacts efficiently with aldehydes and ketones, Group (IV) halides, an epoxide and a sulfur electrophile. Less reactive, softer electrophiles fail to trap the reactive intermediate.
SYNTHESIS OF FLUORINATED VINYL SULFIDES AND SELENIDES
Piettre, S.,de Cock, Ch.,Merenyi, R.,Viehe, H.G.
, p. 4309 - 4320 (2007/10/02)
The reaction between fluoroolefins 1 and 10e and benzenesulfenyl or selenenyl halides 6 is found to be solvent-dependent and gives in most cases predominantly the regioisomer 8.The structure of adducts 8 and 9 are ascertained by 1H, 19F and 77Se NMR spectroscopy.Compounds 8 are easily halogenated and treatment of the products with magnesium or zinc leads to the desired polyfluorovinyl sulfides and selenides 10.A second route of synthesis of these reagents results from the reaction of fluorovinyllithio-derivatives 11 with benzenesulfenyl or selenenyl halides.Olefin 10e is also obtained from the selenoacetal 8t of trifluoroacetaldehyde.
