Devise a synthesis of (Z)-4-methyl-2-pentene using one of the starting materials and any of the reagents below using the fewest steps possible. If you need fewer than the 3 steps allowed, enter “none” for reagents in the remaining unused steps. Starting materials HC=CH HC=C-CH, HC=C-CH,CH, сн. HC=C-CH2CH2CH2CH2HC=C-C-CH, von CH, HC=C-¢-CH, . CHO Reagents a NaNH, NH(l) diodoethane g 1-bromo-3-methylbutane į Hy / Lindlar catalyst – Na0H: H0 e 1-bromopropane ht-butyl bromide k H / NH (1) ciodomethane f 2-bromopropane i H, / Pd on carbon Na / NH (I) Starting material Reagent for step 1 Reagent for step 2 Reagent for step 3