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- Explain the effect of the structure of the alkyl halide on elimination via E1 or E2.Give a complete reaction mechanism for the reaction of toluene in the presence of bromine and FeBr3.1) Redraw the structure and assign E or Z configuration to each double bond in the molecule. 2) Draw the organic products obtained from the ozonolysis of the compound, using a reductive work-up with zinc/HAc.
- give the reagents for parts a-pExplain the effect of the structure of the alkyl halide on elimination through E1 and E2.8. The preparation of the sex pheromone of the boll worm moth, (E)-9,11-dodecadien-1-yp acetate from compound A has been described. Suggest suitable reagents for each step in sequence.
- 8.b）Provide mechanisms for the following reactions:Electrophilic nitration of benzoic acid gives almost exclusively 3-nitrobenzoic acid. By drawing the appropriate resonance forms of the intermediate cations resulting from attack of [NO2]+, explain this result.Explain the transition state And effect of non polar solvents of sn2 reaction
- Show the relationship between E2 Reactions and Alkyne Synthesis ?a) Give the appropriate base for the above reaction and draw the resonance structures of the enolate ions derived from compound A. Then write the mechanism for the formation of the Dieckmann cyclized product B. b) If compound B above is reacted with NaBH 4 , draw the structure of the reduced product. Give a reason for your choice of product. c) Being a β-ketoester, B could undergo a 3-step synthesis involving alkylation, hydrolysis and decarboxylation reactions to yield the cyclopentanone, C. Write the outline synthesis for each step which include the appropriate regents and correct intermediate.6. Propose a synthetic route to carry out the following transformation. Explain. Show the whole procedure.
