72926-84-2Relevant academic research and scientific papers
Palladium - Catalyzed Cross - Coupling of Perfluoroalkenylzinc Reagents with Aryl Iodides. A New, Simple Synthesis of α,β,β-Trifluorostyrenes and the Stereoselective Preparation of 1-Arylperfluoroprepanes
Heinze, Pamela L.,Burton, Donald J.
, p. 2714 - 2720 (2007/10/02)
Perfluoroalkenylzinc reagents coupled with aryl iodides in the presence of Pd(PPh3)4 (1-3 molpercent) to give the corresponding arylalkenes.A series of substituted α,β,β-trifluorostyrenes were prepared in good yields.This method provides ready availability of these fluorinated styrenes, which were previously obtained with difficulty.For the first time, 1-arylperfluoropropenes were prepared stereoselectively.Palladium-catalyzed reactions of 2 with aryl iodides gave stereospecific (E)-1-arylperfluoropropenes, and the same procedure with 3 gave stereoselective Z/E ratios ranging from 98/2 to 92/8.
An Improved Synthesis of 1-Phenylpentafluoropropenes
Dmowski, Wojciech
, p. 25 - 30 (2007/10/02)
1-Phenylpentafluoropropene and a number of its para- and ortho-substituted derivatives were prepared in high yields by reaction of hexafluoropropene with etheral solutions of corresponding phenylmagnesium bromides in sealed glass tubes under autogenous pressure.The products were obtained as mixtures of the Z and E isomers, which ratios varied from 1/2 to 1/6 in favour of the E forms. 19F n.m.r. and i.r. spectra and b.p. of the 1-phenylpentafluoropropenes are reported.
Electrophilic Bromination of Fluoro Olefins: Syn vs. Anti Addition
Naae, Douglas G.
, p. 1394 - 1401 (2007/10/02)
The ionic addition of bromine in glacial acetic acid to 4-RC6H4CF=CFX (R = CO2H, Br, H, CH3, OCH3; X = Cl, CF3) and 4-RC6H4CH=CFCl (R = Br, CH3) has been studied.For all olefins the 1,2-dibromo adduct is the predominant product, with a minor amount of the
