On a scrap piece of paper, draw the curved arrow mechanism for the following reaction. Use your mechanism to predict the major organic product of the reaction and draw it in the space provided. MgBr(excess) 1) 2) NHẠCI, H,O
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- The question is: "Draw the curved arrow mechanism for the reaction between pentan-2-one and (CH3)3O– in t-butanol to form an enolate. Draw all electrons and charges on both resonance structures. Then answer the question about the reaction." I got the initial arrows correct, but am not entirely sure what the carbanion intermediate would look like and then what the curved arrows would be to convert it to its final oxanion formConsider the SN2 reaction of butyl bromide with OH- ion. CH3CH2CH2CH2B + OH- → CH3CH2CH2CH2OH + Br Assuming no other changes, what effect on the rate would result from simultaneously doubling the concentrations of both butyl bromide and the OH- ion? Draw the curved arrow mechanism for the SN1 reaction of methanol with tert-butyl iodide. Next, draw an Energy vs. Reaction Coordinate diagram for this reaction, labeling all transition states as "TS" and intermediates as appropriate for those drawn in the mechanism above, showing the relative energies on the diagram.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
- On a scrap piece of paper, draw the curved arrow mechanism for the following reaction. Once you have determined the major product, draw it in the space below. -Н NaOH(trace) H₂O2. Show the organic product formed when methyl propanoate is reacted with lithium diisopropyl amide, then methyl ethanoate is slowly added to the mixture. The mixture is neutralized with aqueous acid to obtain a neutral product. (A) Show the steps in the mechanism as reactant is converted to final product. show appropriate arrow pushing and any charges. (B) Draw a box around the final product.(d) Consider the following catalyzed and non-catalyzed pathways of a substitution reaction of bromoethane. Draw an energy diagram for each of the following reactions (label all axes and include reactants, intermediates (if any) and products). CH3CH₂Br + HO CH³CH₂OH + B (non-catalyzed) ное CH3CH₂Br + CH3CH₂OH + 1 (catalyzed) CH3CH₂ + Br
- 5) Draw out the mechanism for the reaction given below, then generate a text description of the mechanism. OH excessWhat major product (from Figure #1) results from the following dehydration reaction (from Reaction #1)? Reaction #1 HO, H2SO4 heat Figure #1 compound A compound B compound C compound D Please click here if image does not display. In predicting the major product of boxed reaction #1, it is strongly recommended that you work out a complete mechanism on a piece of scratch paper. compound C compound A compound D compound BDecide whether the reaction below will proceed via an SN1 or SN2 mechanism. (b) Draw structural formula from the major organic product only
- Show how to accomplish the following alkylation. (a) Step 1 (i) Specify the reagent used in this step. (ii) Draw the structure of the intermediate formed in this step, compound A. (B) draw the structure of the reagent needed for this step. (C) specify the reagent used in step b C Show how to accomplish the following alkylation. [References] Step 1 Step 2 compound A Step 3 CO₂Et (a) Step 1 (i) Specify the reagent used in this step. (ii) Draw the structure of the intermediate formed in this step, compound A. 15. Predict whether the following reaction occurs via an SN2 or SN1 mechanism: (a) Indicate type of substrate (b) Indicate type of nucleophile (c) Indicate type of solvent (d) Write the product DMSOOn a sheet of paper, answer the following questions. Make sure to put your name at the top of the paper first. When complete, take a photo, send, attach, and save the question. (a) Draw the major organic product of the following reaction: O3 H20, Zn (b) Propose a mechanism for the reaction shown here, which takes place under conditions that favor an Br SN1 reaction. Br (c) You are a chemistry company's latest chemistry recruit and your first job is to prepare 2- methylcyclohexanol. The one key starting material you have been given is methylcyclohexane. Draw a scheme to take you from the starting material to the product outlining the reagents you would use for each step as well as the key organic product(s) formed from each step. [Note: You do not need to show mechanisms for any steps] ОН methylcyclohexane [STARTING MATERIAL] 2-methylcyclohexanol [PRODUCT]