| abstract |
(57) [Summary] By reacting with a gaseous hydrogen halide in the presence of a catalytic amount of an organic acid, compound (III) (wherein R 2 represents a residue containing one or more additional groups of formula (VI)) (wherein, Hal is chlorine, bromine or iodine, preferably represents chlorine, R a represents a residue comprising an additional group of one or more formula (a ')) (a) a method for preparing a compound of the; A process for preparing an epoxy compound starting from reaction (I); and an epoxy resin obtained by this process and having a very low content of contaminating halogens. |