Bromination of alkenes.
Brz Ph OH X Br ) + OH 6. Consider the reaction: H2O a) Circle the...
5. For the following reaction: a) draw the substitution product. Br. но CH, b) Draw the full mechanism of the reaction above, showing an SN2 pathway. Include all relevant electrons and curved arrows showing electron movement, AND draw the transition state. c) Draw the full mechanism of the reaction above, showing an Sn1 pathway. Include all relevant electrons and curved arrows showing electron movement, AND all intermediates in the reaction. d) Draw the energy diagrams of the Sw2 pathway and...
37. H0+ (CH3), C CH OH alkene + H2O Draw the structure of the major alkene product of this acid-catalyzed dehydration. (Hint: rearrangement.) 38. alkenes Three alkenes produce butane when treated with hydrogen and platinum. Draw their structures. + H-Br - 39. CH2=CH CH3 CH2-CH-CH, H Br The first step of the mechanism of this reaction produces two carbocations. Draw both and circle the one that is more stable. ODHO Br 11 =C + Br - Br - - Br...
Propose a mechanism for the following reaction showing structures of major product(s) and possible intermediates. Use curved arrows to indicate the electron flow. A) HBr The reactions below are unlikely to occur as described. Predict the true major product. If no reaction will occur, explain. ^ tom mestu
Provide a step-by-step mechanism to account for the product of each of the following reactions. Show the structure of each of the intermediates and use curved arrows to indicate electron flow in each of these steps. 3. Provide a step-by-step mechanism to account for the product of each of the following reactions. Show the structure of each of the intermediates and use curved arrows to indicate electron flow in each of these steps. a) NaOEt (1 equiv) EtOH O OH...
8. Draw the structure of the major product afforded from the reaction conditions below in the box provided. (5 pts.) Ph3P: CBr4 OH 9. Provide a proper electron-pushing mechanism (including resonance structures) using curved arrows that describes the monochlorination of p-methyltoluene. (10 pts.) CI-CI + HCI hy p-methyltoluene CI:
Consider the mechanism for the following reaction: Tip: Before answering the question, draw a complete, detailed mechanism for this reaction on a piece of paper. Use appropriate curved arrows to indicate the direction of electron flow and show the structures of all intermediates. The structures of transition states are NOT required. MeOH Br NH2 MeOH, HN Which of the following would be an intermediate on the path leading to the final product shown? A) Br M aHego HN E) PerwNH...
5. Grignard Mechanism. Draw the major product for the Grignard reaction below in the box. Then, draw the proper FULL electron-pushing mechanism for the reaction, including ALL intermediates (with formal charges) and electron pushing arrows. Label the Electrophile and Nucleophile in each step! 1. BrMg 2. H2O+
5:43 PM Thu Oct 31 29% Chem2542 Assignment-6.doc 1. Provide the structure of diene and dienophile required for the synthesis of the following compound via Diels-Alder reaction. Ph сно сно 2. The following a,b-unsaturated ketone can react with nucleophilic reagents to yield 1,2-addition as well as 1,4-addition (conjugate addition) products depending on the nucleophilic reagent. Provide the structure of the major primary 1,2-addition or 1,4 addition product formed in each reaction 1. CH,MgCI 2. HC 1. LIAIH 2. HC 1....
Gradescope #2 This question is worth 10 points. The reaction between (R)-2-bromo-3-methylbutane and water in the presence of heat forms Br", H3O+ and two organic products. Draw a stepwise mechanism for this reaction, clearly showing how each product is formed. Use curved arrows to show electron movement, and include all reactive intermediates, resonance structures, etc. Br H2O Δ
3. Provide a step-by-step mechanism to account for the product of each of the following reactions. Show the structure of each of the intermediates and use curved arrows to indicate electron flow in each of these steps cat. Na :CH CH OH (solvent) H 0% 0 0 0 CH OH OCH3 0 0 0 H (cat) H20: