1) Vinyl halides, such as vinyl bromide 1, are valuable synthetic intermediates since they can be used in various carbon-carbon bond constructions to increase molecular complexity. Beginning with epoxide 2, and any other reagent, how would you make vinyl bromide 1 in the stereochemistry shown (minimum five steps)? (15 pts)

2) What’s the mechanism of the following reaction? (Note: Au has Au(I) and Au(III) oxidation states). (12 pts)
