Devise a synthesis of(E)-4.4-dimethyl-2-pentene using one of the starting materi

Question

Devise a synthesis of(E)-4.4-dimethyl-2-pentene using one of the starting materials and any of the reagents below using the fewest steps possible. If you need fewer that the 3 steps allowed. enter 'none' for reagents in the remaining unused steps. Starting materials CH3 CH3 1 2 3 4 5 6 Reagents a NaNH2/NH3(l) d iodoethane g 1-bromo-3-methylbutane j H2/Lindlar catalyst b NaOH/H20 e 1-bromopropane h t-butyl bromide k H2/NH3(l) c iodomethane f 2-bromopropane i H2/Pd on carbon I Na/NH3(l) Starting material _______________ Reagent for step 1 _____________ Reagent for step 2 __________ Reagent for step 3 ___________

Explanation / Answer

Starting material - 6

Reagent step 1 : a)

Reagent step 2 : c)

Reagent step 3: l)

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