please answer

Propose an efficient synthesis for the following transformation: The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. HBr, ROOR B. Na2Cr2O7,H2SO4,H2O C. 1) BH3-THF; 2) H2O2,NaOH D. HBr E. H2SO4,H2O,HgSO4 F. 1) O3; 2) DMS G. PCC or DMP H. NaOH 1. 1) LiAlH4; 2) H3O+ Propose an efficient synthesis for the following transformation: The transformations above can be performed with some combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A.t-BuOK B. NaOEt C. conc. H2SO4, heat D. H2,Pt E. H2, Lindlar's cat, F. H2SO4,H2O4HgSO4 G. TsCl, pyridine H. 1) 5NaNH2;2)H2O 1.1) R2BH; 2) H2O2,NaOH Identify reagents that you could use to accomplish the following transformation: The transformations above can be performed with some combination of the reagents listed below, Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. A. DMP or PCC B. NaNH2. C. 1) CH3CH2MgBr; 2) H3O D. CH3 I E. CH3CH2Br F. Na2Cr2O7,H2SO4,H2O G. Mg H. 1) LiAlH4: 2) H3O+ 1. 1) CH3MgBr 2) H3O+