l4) starting with bromobenzene, propose efficient synthetic routes to the following molecules. Assume you have access to any other organic inorganic reagents vou may need. In all cases, since you are starting with bromo the first step will be to make an appropriate organometallic reagent, such as a Grignard or Gilman reagent approach problems such as this is to recognize the attachment point for the reagent disconnect at that point. In many cases, this will lead organometallic and to cases, you you to the appropriate other fragment that will be needed. other may need to recognize that the TM is derived from the product of a reaction of the organometallic.