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- For the reduction of 2-methyl cyclohexanone to methyl cyclohexanol using NaBH4... 1. What is the reaction mechanism (draw curved arrows)? What is the nucleophile? Electrophile? 2. Using your reaction mechanism from the above question, sketch the reaction coordinatediagram. What does the transition state most likely look like? What is the rate-determining step?Identify in the diagrams shown below:The. Homolytic breaking of the covalent bond/radical reactionB. Heterolytic cleavage of the covalent bond / Ionic reactionc. Electrophile / Nucleophile / radicald. Reaction intermediary.When HCI, HBr, and HI were used as HX in the next reaction, the rates of all reactions were almost the same. below Answer the question. OH HX CH3 CH3 H2O (1) Show the ions that act as each nucleophile in order from the one that is considered to have the highest nucleophilic reactivity. (2) Explain the reason why you thought that the order was (1). (3) Explain why the reaction rates were almost the same regardless of which HX was used. (4) Nax was used instead of HX, but the reaction did not proceed. Explain the reason for this.
- 4. For the following question please consider the four chemicals shown below. Me H2N s, NH2 acetaldehyde Chemical 1 methanamine Chemical 2 S-methyl ethanethioate Chemical 3 ethanamine Chemical 4 Chemical 4 will readily react with two other chemicals above. a. What are those two chemicals? b. Provide a chemical structure of formed products along with a probable mechanism using the arrow formalism. c. At which of the following pH's (out of 1,7,14) do you expect each reaction to occur? Why?[Review Topics] [References) Draw a structural formula for the major product of the acid-base reaction shown. H2N. HCI (1 mole) (1 mole) You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Na", I, in your answer. • In those cases in which there are two reactants, draw only the product from the compound that reacts. C P. opy eate- The reaction that will be carried out in the lab will convert 9-fluorenol to 9-methoxy fluorene usinga nucleophilic substitution reaction. Question: Why is concentrated sulfuric acid used in this reaction and not aqueous acid? Draw the reaction and show the equilibrium that is dependent on the acid.
- Give two (2) examples of reactions for each of the types of organic reactions: substitution, elimination, addition and rearrangement. Show: a. the overall reaction (reactants --> products) b. the reaction mechanism (indicate intermediate product) c. indicate which is the reactive species or intermediate in the reaction (radical? electrophile? nucleophile?) d. overall description of the reaction eg., radical substitution or SR Include the names of the reactions.(3) In the applicable. reactions above, identify the nucleophile and electrophice whereUse the reaction given below to answer the following questions. Be sure to include lone pairs (where applicable). A. Br B a) Identify (by name) the frontier orbitals (HOMO and LUMO) of each species. b) Give the name of the functional group in A. c) Draw the orbital(s) comprising the LUMO of A. d) Clearly identify the nucleophile and the electrophile, A or B. : Electrophile Nucleophile e) Draw a detailed, step-by-step mechanism for the reaction given below. Be sure to include all lone pairs and clearly indicate the expected reaction product(s). f) Label each step of the mechanism as either Bronsted-Lowry acid-base, nucleophilic addition, elimination, or other.
- Methylating agents are substrates that deliver methyl groups to nucleophiles, and so are themselves electrophilic. What is the most common methylating agent (a) in the laboratory and (b) in biological systems? Discuss their similarities and differences... Solve it asap10. Explain the reaction shown below. Include the following pieces in your explanation. Identify the electrophile and the nucleophile. Draw a curved arrow mechanism for this reaction. (Assume an acidic work-up). Explain the electron flow. Indicate any regiochemical or stereochemical preferences. one b. c. d. LIAIH4 OH one[Review Topics) [References] Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the enone below. You do not have to consider stereochemistry. . . Draw the enolate ion in its carbanion form. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple reactants using the+ sign from the drop-down menu. . .