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- write the reaction of the action of methyl-2, bromo-2-propane with hot KOH solution. a) Name the formed product b) Explain why the reaction takes place according to the SNI mechanismPlease propose a synthesis of the target molecule using as many steps or reagents and answer these questions. 1. Why use chemoselectivity as the functional group and not another? 2. Why regioselectivity? 3. Why stereoselectivity? 4. What are the changes in the oxidation state?When performing a Grignard reaction it is also very important that the reaction be free from acetone (a chemical we commonly use to clean the glassware). Why must the glassware be free from acetone? A. Acetone reacts with the diethyl ether causing a side reaction to occur B. Acetone is a nucleophile that will react with the Grignard reagent C. Acetone reacts with the bromobenzene D. Acetone is an electrophile that will react with the Grignard reagent
- Show stereo chemistry and possible outcomes and the steps for the reaction.Briefly explain why OtBu- sometimes favored over hydroxide as an elimination reagent?p-Fluoronitrobenzene is more reactive toward hydroxide ion than is p-chloronitrobenzene. What does this tell you about the rate-determining step for nucleophilic aromatic substitution?
- Write the reaction involved in Ferrox Test. a. What is the species responsible? b. Why is phenol negative in Ferrox Test? Based on the theoretical result, what is the order of reactivity of primary, secondary, and tertiary alcohols in the Lucas Test? a. Lucas Reagent contains ZnCl2 in HCl. What is the role of ZnCl2? What reagents are used in the esterification of Alcohols and Phenols? a. Write the reaction involved in Primary Alcohol (Ethanol) and Acetyl Chloride b. Write the reaction involved in Phenol and Acetyl Chloride What is the purpose of the Chromic acid test? a. What are the reagents used? b. Write oxidation reaction of Primary Alcohols and Secondary Alcohols1. In both SN1 and SN2 tests, why should 2-chlorobutane react more slowly than 2-bromobutane?2. Why is benzyl chloride reactive in SN1? In SN2?3. Why is bromobenzene unreactive in both tests?Define the Reaction of Organometallic Reagents with Other Compounds ?
- Assume that attached starting materials can be converted to an epoxide by this reaction. Draw the product formed (including stereochemistry) from each starting material. Why might some of these reactions be more difficult than others in yielding nucleophilic substitution products?a) When prepping a Grignard reagent, iodine is usually added. Explain the importance of the amount of iodine added. Why is it not good to add a large quantity of iodine ? b) For the synthesise of triphenylmethanol, grignard reagent (phenylmagnesium bromide) is reacted with methyl benzoate. Explain why does the colour of the solution change from red to orange to yellow? c) What is the by-product of synthesis of triphenylmethanol?which will proceed more easily at room temperature the bromination of cyclohexene or the bromination of benzene?