1.3(Benus), Design a synthesis of 5 methyl-1 hexyne using one of the starting materials and any of the reagents below unu the rwest seps possible. If you need fewer than the 3 steps allowed, enter "sone" for the reagents in the remaining unused steps: (2 pts, 0.5 pt each) Starting materials: HCEC-CH2 HC C-CH2 CHs D H2C-CH A. HCECH B. HCEC-CH CHs CHs HCEC-CH HCEC-C-CH E. CHs F CHs Reagents 1) NaNH NH,0) 1-bromopropane 6) 2-bromopropane 7 1-bromo-3-methylbutane 2) NaOH/H,O 3) odomethane 4) iodoethane 5) 8) t-butyl bromide 9) Hy/Pd on carbon 10) H/Lindlar catalyst /NH,0) Your choice of starting material is Reagent for step 1 is Reagent for step 2 is Reagent for step 3 Is