H. H M Step 1 Step 2 Step 3 [Choose [Choose R2BH, THE CH3B NBS, heat or light HgSO4, H2SO4 Br2, heat or light H2 (excess). Pt Na in NH3 BH3. THE HBr (1 mol) HBr (xs) H2, Lindlar's catalyst NaOH, heat Br2(xs) Br2 in H20 1. KMnO4, heat then 2. H30+ mCPBA HB, ROOR, heat or light CH3CH2Br 1. Hg(OAC)2, THF, H20, 2. NaBH4 2 1 pts H3C-CEC-H H2C-CEC-H Step 1 [Choose ] Step 2 [ Choose ] > Step 3 [Choose ] H2CC=CCH3 - H Step 1 [Choose ] > Step 2 [Choose ] > Step 3 [Choose ] > Step 4 [ Choose ] Step 3 [ Choose ] > OH Step 1 [Choose ] > Step 2 [Choose ] ( Step 3 [Choose ] >