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- Draw the reactants and complete the mechanism by drawing in the appropriate electron-flow arrows (including stereochemistry) for the following Sy2 reaction of an alkyl bromide. Represent the nucleophile as an ion. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the grid and connecting them with bonds, including charges where needed. Indicate the mechanism by drawing the electron-flow arrows on the molecules. Arrows should start on an atom or a bond and should end on an atom, bond, or where a new bond should be created. • View Available Hint(s) + CH N H. S CH H,C C-ÖH CI HC Br HC F [1] ADraw the mechanism and the energy diagram for the reaction shown below. Include any resonance structures for the intermediates of the reaction. H3O+10) Consider the following alkene hydration reaction. он H2SO, H20 Given that the reaction is endergonic by 10 kcal/mol, complete the following. (a) Draw the intermediate(s) formed in the mechanistic pathway to the major product in the indicated space below. If there are multiple intermediates label them 1, 2, 3, 4, etc. (b) Sketch a reaction-energy profile for this reaction and clearly label staring material, product, intermediate(s), transition state(s), AG" and AG (of the rate determining step) on your plot. Progress of the reaction Draw and Label Intermediate(s) Below: Potential energy
- For each of the reaction below, draw the curved arrows and lone pairs of electrons to show the mechanism. Predict which side of the reaction will be favoured under equilibrium conditions. Give a brief explanation of your prediction. NーHConsider the attached SN2 reaction. Question: What happens to the reaction rate in each of the following instances? [1] The leaving group is changed from Br− to I−; [2] The solvent is changed from acetone to CH3CH2OH; [3] The alkyl halide is changed from CH3(CH2)4Br to CH3CH2CH2CH(Br)CH3; [4] The concentration of −CN is increased by a factor of five; and [5] The concentrations of both the alkyl halide and −CN are increased by a factor of fiveConsider the following reaction scheme (note that the reagent shown above the arrow is DBN"). Draw in the expected major product AND indicate what mechanism the reaction will follow. Product: Mechanism:
- For the following reaction there are three (3) possible products. Two of the products are expected to be minor and one product is expected to be a major product. Br H₂O Name and draw out the step-by-step mechanisms by which each of the products is formed. Briefly explain why one of the three products is expected to be a major product.(a) A student was given a task to synthesize the products as shown below. Analyze the reaction schemes below and state whether the reaction conditions supplied in each reaction scheme will result in the products shown as MAJOR PRODUCTS. If wrong products are shown, draw the correct products and provide mechanistic details (curly arrows) of how the right (major) products were formed. E CI t-BuOK t-BuOH5a) Draw the product(s) of the reaction shown below. Additionally, identify the nucleophile, electrophile and leaving group.
- Which problem showcases eliminations that have a carbocation? A 11-28 B none of these, they all do substitution instead 11-27 both 11-27 and 11-28 11-27 HO H2SO4. (a) (Ь) CH3CO>Na CH3CO2H (c) CH3 HSO4. -CH3 11-28 (a) CH3ONA CH3OH CH3 (b) Br (CH3)3COK THF X. (c) CH3ONA CH3OHWhat is a major product of the sequence of reactions shown in the box? A) Br 이 ? Pd-cat, Base heat B) D)5. Each of the following may participate in an elimination reaction, under the proper conditions. (a) Circle the alpha (a) carbon. (b) Circle the beta (B) carbon(s). (c) Draw the alkene product(s) that may form, with the new double bond between the a and B positions. (d) If more than one alkene product is possible, circle the most stable (Zaitsev) product. X tx + 3