Workup of vinyl bromide from vinyl catecholborane and bromine

[Only registered users see links. ] wrote:


You may kill bromine with almost any reducing agent. An aqueous
solution of sodium thiosulfate is very often used. Cyclohexene reacts
very quickly with bromine, but one is left with 1,2-dibromocyclohexene
than may be difficult to separate.

Hope it helps.

Gabriel Tojo.

Scientific Consultant in Organic Synthesis.