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- Quinapril (trade name Accupril) is used to treat high blood pressure and congestive heart failure. One step in the synthesis of quinapril involves reaction of the racemic alkyl bromide A with a single enantiomer of the amino ester B. (a) What two products are formed in this reaction? (b) Given the structure of quinapril, which one of these two products is needed tosynthesize the drug?Quinapril (trade name Accupril) is used to treat high blood pressure andcongestive heart failure. One step in the synthesis of quinapril involvesreaction of the racemic alkyl bromide A with a single enantiomer of theamino ester B. Given the structure of quinapril, which one of these two products isneeded to synthesize the drug?22:43 10. Provide the following: the resonance structure of the intermediate that can resonate into the other intermediate that is given the product that results from the given resonance structure Specify which product is the kinetic product and which is the thermodynamic product . OH 50% H₂SO4 H~
- Predict the products obtained from the reaction of triolein with the following reagents.(a) NaOH in waterPropose a synthesis for each of the following compounds. (a) OH (b) (c)Octinoxate is an unsaturated ester used as an active ingredient in sunscreens. (a) What carbonyl compounds are needed to synthesize this compound using a condensation reaction? (b) Devise a synthesis of octinoxate from the given organic starting materials and any other needed reagents.
- A key step in the synthesis of the narcotic analgesic meperidine (tradename Demerol) is the conversion of phenylacetonitrile to X. (a) What isthe structure of X? (b) What reactions convert X to meperidine ?Aspartame, the sweetener used in the commercial products NutraSweet and Equal, is 200 times sweeter than sucrose. What products will be obtained ifaspartame is hydrolyzed completely in an aqueous solution of HCl?(a) Explain why phentermine [PhCH2C(CH3)2NH2] can’t be made by a reductive amination reaction.(b) Give a systematic name for phentermine, one of the components of the banned diet drug fen–phen.
- 18.26 Synthesize each of the following compounds from diethyl malonate or ethyl acetoacetate and any other organic and inorganic reagents. (a) (c) (e) OH (b) OH (d) (f)Maraviroc, a drug used to treat HIV, is prepared by reductive amination of aldehyde A with amine B. What is the structure of maraviroc, if the most basic N atom of amine B is used in reductive amination?Phenylacetone can form two different enols.(a) Show the structures of these enols.(b) Predict which enol will be present in the larger concentration at equilibrium.(c) Propose mechanisms for the formation of the two enols in acid and in base