Organic chemisty homework help

Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of the reagents listed below. Give reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more solution, provide just one answer. Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of the reagents listed reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If solution, provide just one answer. Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of thereagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF7. If there is more than one corr solution, provide just one answer. Propose an efficient synthesis for the following transformation. The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessa reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF7. If there is more than one c solution, provide just one answer. Identify the reagent(s) that can be used to achieve the following transformation: B A C