(c) What type of a reaction is it? Once you identify the class of reaction, look up in the literature, enantioselective ways of executing the reaction. Write a reasonable mechanism and identify an enantioselective catalyst that would affect this transformation. OH Catalyst? TBDPSO. OTBDPS LOEt Me CO₂Et
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- (b) Write the mechanism for the formation of products in following reaction. Clearly show the intermediates in the reaction. Which product is a kinetically controlled and which one is the thermodynamically controlled product? CH3 CI. CI. A½O3, HCI H Ph-C=C-CH3 Ph CH3 Ph H.Predict the product of the following organic reaction: CH₂ CH O || C–CH2–CH=CH—(CH2)3 CH3 (CH₂)3 CH=CH- - CH₂ CH3 + 4 H₂ Ni CH,−O -C–CH2–CH=CH–CH=CH–CH2–CH3 Specifically, in the drawing area below, draw the chemical structure of the product P. If there is no product, because this reaction won't happen, check the No reaction box under the drawing area. Click and drag to start drawing a structure. × Ś +Draw a structural formula for the intermediate in the following reaction: CH₂Cl₂ Br₂ • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • Do not include counter-ions, e.g., Na*, I, in your answer. *** ▼n [F ChemDoodleⓇ la
- 2) Show the two competing reaction mechanisms (SÃ1 and SÃ2) for the following reaction. OH OH A sulfonic acid: pka - 0 + Bu N CI The mechanism starts with an acid base reaction mediated by a sulfonic acid (RSO3H, pKa~ 0). Does this reagent act as a catalyst? Please explain. In addition, draw the reaction energy diagrams for both reaction mechanisms. Show activation energies, transition states, and the free energy of the reaction (delta G).3) Fill in the red box(es) with the missing reactant(s), reagent(s), product(s), solvent, and/or conditions and write a reasonable mechanism for the reaction. Not every box needs to be used and not every box necessarily corresponds to only a single species. If no reaction occurs OR no reagents exist to perform the reaction state, “NOT POSSIBLE” AND explain why. H₂O*3 ■Methyl Diantilis: Provide a balanced chemical reaction and mechanism for the reaction. Briefly summarize a mechanism creating the product. Please provide the two step reaction for methyl diantilis and mechanism of the reaction.
- The following chemical reaction is used to synthesize a flavouring agent that has an aroma similar to bananas. H₂SO4(aq) CH3COOH(1) + CH3(CH₂)₂OH(1) I || Identify the type of reaction that is represented by this synthesis. Select one: CH₂COO(CH₂)₂CH₂(1) + H₂O(1) IV O addition O hydrogenation O substitution O esterification O elimination2) Show the two competing reaction mechanisms (SN1 and SN2) for the following reaction. OH + S-OH Bu N CI A sulfonic acid: pKa - 0 The mechanism starts with an acid base reaction mediated by a sulfonic acid (RSO 3H, pKa 0). Does this reagent act as a catalyst? Please explain. In addition, draw the reaction energy diagrams for both reaction mechanisms. Show activation energies, transition states, and the free energy of the reaction (delta G).3) Fill in the red box(es) with the missing reactant(s), reagent(s), product(s), solvent, and/or conditions and write a reasonable mechanism for the reaction. Not every box needs to be used and not every box necessarily corresponds to only a single species. If no reaction occurs OR no reagents exist to perform the reaction state, “NOT POSSIBLE” AND explain why. HO OH dil. H₂SO4
- 1-Suggest a mechanism by which the ozone, O3 is being destructed by the presence of oxygen molecule, O2, and the sun light. 2-Methyl chloride, CH3Cl, is another molecule that destructs the ozone layer. Suggest a mechanism for the destruction of ozone by methyl chloride and the sun light.Arrange the following ff. in decreasing order of relative ease (easiest first) for the acid-catalyzed esterification of ethyl alcohol: 1. (CH)2СHCOОH II. CH3CH2COOH II. (CH3)3COOHce a step-wise mechanism (showing the movement of all electrons) for the following reaction. HBr Br + H20 H,O2 heat