1. A) Show each possible product for the reaction below and predict the major product. Be sure to include all geometric isomers. O Na* heat Br B) Draw the conformer that leads to the major product for the reaction above as a Newman projection. Show the mechanism for its formation. C) How would you change the reaction conditions to get the Hoffman product?
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Show each possible product for the reaction below and predict the major product. Be sure to include all geometric isomers. B) Draw the conformer that leads to the major product for the reaction above as a Newman projection. Show the mechanism for its formation. C) How would you change the reaction conditions to get the Hoffman product? include all parts pls
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- Draw the final product of this series of reactions. |||** OH 1. SOCI₂ 2. NaCN • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If more than one product is possible, only draw the major product. • If the reaction produces a racemic mixture, draw both stereoisomers.4) After completing the scheme below, determine the most like mechanism and draw the structure (ECSF) of the product. Br RX: 1°, 2°, or 3°? CH3CO2 is.. SB or WB? GN or PN? Backside is unhindered? borderline hindered? hindered? Carbocation it would form is poor? borderline? You MUST draw with a hash or wedge! You MUST show ALL 4 groups at the stereocenter! This product formed by the mechanism good?Consider the reaction between 2-methyl-2-butanol and HBr, shown below. но HBr Br Х
- NC CI 2. Draw the product that results from the reaction shown in the scheme below. You should show the arrow pushing going from reactants to the product (hint: this is a concerted mechanism and there will be a single step here). You should only write the major diastereomer product, and if another enantiomer is formed you may simply write "+ enantiomer." Another hint: the preferred endo product will be formed from a transition state that has orbital overlap between the diene and the cyano (CN) group.I am studying so much but I am not sure if these are correct. Can you go over it plsss? A Hoffmann product is O the result of the fastest mechanistic process. the most highly substituted alkene possible. the same as the Zaitsev's product, but the term "Hoffmann" is used for E2. the most stable alkene. What does Zaitsev's rule state? As the degree of substitution around the C=C of an alkene decreases, the stability of alkene increases. None of the statements is correct. O As the degree of substitution around the C=C of an alkene decreases, the stability of alkene decreases. As the degree of substitution around the C=C of an alkene increases, the stability of alkene decreases.2. H3O* Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal charges and nonbonding electrons. In each step, draw only the species that react in that step. If an enolate resonance form is possible, draw only the carbanionic form. If a CH, group is being deprotonated, draw all H's on the reacting site. Tip: always omit ethanol byproducts. Step 1. Add curved arrows. Select Draw Rings More Erase :0 : H. H H H H
- 44a) Draw the bond-line structure of 1,4-dimethyl-cyclohexa-1,3-diene here: STRUCTURE: b) Circle all the sp²-hybridized carbons in your drawing of the structure. c) In the spaces below, draw two potential products from a chlorination reaction (addition of Cl2) with your first structure Product 1: Product 2:3. The haloalkane below is heated in a solution of ethanol and undergoes SN1 and E1S a) Draw the first step of the mechanism of the reaction. b) Show all the more stable carbocations that could be formed from (a). c) Draw all the El products that can be formed from (b). d) Circle the most favorable product(s) and explain your reasoning. e) Name: the most favored product(s).(Note: for cyclic alkenes the carbons of the C-C must be numbered 1,2 and in the name there is no need to specify its position). Br7) Assign partial charges on the Cl-Cl (polarized) below. This reaction proceeds through a three-membered ring halonium intermediate. The first step involves arrows similar to the carbene reaction above plus an additional arrow showing the Cl-Cl bond breaking. The second step is SN2 at the more substituted carbon. 8) Complete the following reaction by adding curved arrows, intermediates, and the expected products. St r :CI-CI: :CI: 9) Label the Mechanistic steps above and the halonium ion intermediate. Because the second step is similar to SN2 the halides add anti to each other.
- b Use curved arrows to show the mechanism of the step below. If more than one resonance form of the product is possible, show the most stable form. Arrow-pushing Instructions ^^C↔X™ H to HI.... H3CIdentify the major product of the reaction of an alkene shown below. ||| 1. Hg(OAc)2, H2O 2. NaBH4, NaOH ....... ОН || IV ОН о, ОН4. For the following, a) predict the product and b) using curved arrows to show electron movement, provide a reasonable mechanism for each reaction. CI CH3OH ??? (-HCI) CI H2N (-HCI) + ??? NH2