M. M. Kremlev, G. Haufe
Jul 20, 1998
Citations
0
Influential Citations
9
Citations
Journal
Journal of Fluorine Chemistry
Abstract
Abstract The reactions of (E)-1,2-difluoro-1,2-di (p-tolyl) ethene (1) with N-bromo- or N-chlorosuccinimide gave mainly the expected halofluorination products 1-bromo-1,2-di(p-tolyl)-1,2,2-trifluoroethane (2) or 1-chloro-1,2-di(p-tolyl)-1,2,2-trifluoroethane (4), respectively. As a side reaction halogenation of the double bond has been obtained. With (E,E)-1,4-di(p-tolyl)-1,2,3,4-tetrafluorobuta-1,3-diene (6) under the same conditions the products of 1,2- and 1,4-addition or its consecutive hydrolysis products were isolated. (E)-Stilbene (19) on bromofluorination gave solely erythro-1-bromo-2-fluoro-1,2-diphenylethane (20), while with 1,4-diphenylbuta-1,3-diene (17) mainly higher molecular weight products were formed.