Although it is a problem of much interest, relatively little attention has be& directed toward the addition of hydrogen bromide to acetylene compounds. Bauer2 obtained vinyl bromide and ethylene dibromide from acetylene and hydrogen bromide in the presence of gaseous oxidizing agents. Using catalysts such as mercuric bromide on asbestos, Wibauts obtained from acetylene and hydrogen bromide a mixture of ethylidene di-bromide and ethylene ...
