3. Propose a synthetic route for each of the following transformations & (b) All carbon atoms in the product must come from the starting material NH₂
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- 3. Design concise syntheses for the following transformations. Show all reactants, reagents, and products for each step. The first three syntheses can be accomplished in two steps, whereas the last synthesis requires three steps. a) to b) NH₂ bDraw a structural formula for the major organic product of each reaction and specify the most likely mechanism by which each is formed. (g) CH3CH2ONa++CH2=CHCH2Clethanol2) reaction sequences to carry out those transformations. Draw the expected product of each step proposed. Substantial partial credit can be obtained for incomplete or incorrect answers. You may present your solutions on the following blank page if you need the the following reaction transformations, and propose room. H3C CH, H3C CH3 of HN- -NH HO,C Co,H но H,C CH3 CEN OCH3 OCH3
- 3. Provide the products or the necessary reagents for the two following transformations. 1. NaNH2 2. CH3BR 1-butyne НСЕCH НCЕCH 3. NANH2 4. CH3CH2B name of this compound?3. Design concise syntheses for the following transformations. Show all reactants, reagents, and products for each step. The first three syntheses can be accomplished in two steps and the last synthesis requires three steps. a) b) Br NO₂ НО. HO. NH₂2. Design concise syntheses for the following transformations. Show all reactants, reagents, and products for each step. The first two syntheses can be accomplished in two steps and the last two syntheses require three steps. a) b) CH₂-CEN سلم OH fro
- 5. Provide the necessary reagents for the following hydrogenations.2. Provide the structure of the products of each of the following synthetic transformations NaNH2 2 Li, 2 MeOH CH3Br C NH33. Design concise syntheses for the following transformations. Show all reactants, reagents, and products for each step. The first three syntheses can be accomplished in two steps, whereas the last synthesis requires three steps. a) i = Xx b) d) NH₂ ha= ut OH OH YN NH₂
- 1.When 2-methyl-1-butanol is dehydrated in an acid medi- um to an alkene, it yelds mainly 2-methyl-2-butene rather than 2-methyl-1-butene. This indicates that the dehydra- tion to an alkene is at least a two-step reaction. Suggest a mechanism to explain the reaction.Write the appropriate reagents, conditions and products for the following transformations, in a single step. OH II HNO, ? (1) H,SO,Provide reagents/conditions to accomplish the following transformations. Label each reaction type in the steps you provide. OEt MeO OMe