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- 1. using curved arrows draw the mechanism to show the SN2 reaction of hydroxide ion with (R) 2-chlorobutane to give (S) 2-butanol 2. using curved arrows draw the mechanism showing the E2 reaction of cyclohexyl tosylates to cyclohexene using ethoxide ion as the base to promote the reactionWhen a cyclic ketone reacts with diazomethane, the next larger cyclic ketone is formed. This is called a ring-expansion reaction. Draw a mechanism for the following ring-expansion reaction.Propose a mechanism for the acid-catalyzed hydration of propene. Remember that a mechanism must include curved arrows to show movement of electrons, as well as all intermediates.
- Bromobenzne + Mg/diethyl ether -> Biphenyl (byproduct) Draw the mechanism for the byproductDraw the product for the following halogentation reaction: CH2=CH-CH2-CH3+Cl2 ––>What is the first step of the mechanism when H2O/H+ is added to an ester? a) Protonation of the C=O oxygen b) Protonation of the C=O oxygen c) Nucleophilic addition to the C=O carbon d) Nucleophilic addition to the C=O oxygen
- The Ka1 of ascorbic acid is 7.94 x 10-5. Would you expect ascorbic acid dissolved in blood plasma (pH 7.35–7.45) to exist primarily as ascorbic acid or as ascorbate anion? Explain.Chemistry Draw the product formed when phenylacetaldehyde (C6H5CH2CHO) is treated with reach reagent: f. (CH3)2CHNH2, mild acid g. (CH3CH2)2NH, mild acid h. CH3CH2OH (excess), H+ i. piperidine, mild acid j. HOCH2CH2OH, H+The Baylis–Hillman reaction is a DABCO (1,4-diazabicyclo[2.2.2]octane) catalyzed reaction of an a,b-unsaturated carbonyl compound with an aldehyde to form an allylic alcohol. Propose a mechanism for the reaction. (Hint: DABCO serves as both a nucleophile and as a base in the reaction.)