Propose a plausible synthesis for the following transformation. Choose from reagents (A-H):

Propose a plausible synthesis for the following transformation. Choose from reagents (A-H): A 1) NaNH2 2) Mel 3) 9-BBN 4) H20, NaOH 1) Brz 2) Excess NaNHz 3) H20 1) Brz 2) Excess NaNH2 3) H20 4) H,SO4, H20, HgSo4 1) NaNH2 2) Etl 3) Na, NH, () H. 1) 9-BBN 2) H202, NaOH 1) Excess NaNH2 2) H30 3) Brz (1 eg), CCl, 1) Excess NaNH2 2) H20 3) NaNH, 4) Mel 5) Na, NH, () 1) NaNH, 2) 3) H2, Pt Reagents: