Construct a three-step synthesis of trans-2-pentene from acetylene by dragging the appropriate formulas into the bins. Note that each bin will hold only one item, and not all of the given reagents or structures will be used. (Me methyl, CHs; Et ethyl, CH3CH2.) Reactant Product Reagent 1 Reagent 2 Step 1 Product Step 2 Product Reagent 3 (acetylene) (trans-2-pentene) Li HBr На Pt 1) NaNH2 2) Me н CH3CH2NH2 H H 1) NaNH2 2) EtBr

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