Which of the following reaction sequences should be used to synthesize 3,4-dibromocyclohexanol? Reaction of Cyclopean with NaOH, then reaction of the product with Br_2. Reaction of 1,3-butadiene with vinyl bromide (bromoethene), followed by reaction of that product with NaOH, followed by addition of Br2. Reaction of vinyl bromide with NaOH, followed by reaction of that product with 1,3-butadiene. then addition of Br_2. Heat cycloserine together with Br_2 and water.