Organic Chemistry - Access (Custom)
4th Edition
ISBN: 9781259355844
Author: SMITH
Publisher: MCG
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Chapter 22, Problem 22.62P
Interpretation Introduction
Interpretation: A stepwise mechanism for the conversion of lactone C to carboxylic acid D is to be drawn.
Concept introduction: The replacement or substitution of one functional group with another different functional group in any
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Draw a stepwise mechanism for the conversion of lactone C to carboxylic acid D. C is a key intermediate in the synthesis of prostaglandins by Nobel Laureate E. J. Corey and coworkers at Harvard University.
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Draw a stepwise mechanism for the conversion of lactone A to ester Busing HCl in ethanol. B is converted in one step to ethyl chrysanthemate,a useful intermediate in the synthesis of a variety of pyrethrins, naturally occurring insecticides with three-membered rings that are isolated fromchrysanthemums
Chapter 22 Solutions
Organic Chemistry - Access (Custom)
Ch. 22 - Prob. 22.1PCh. 22 - Draw the three possible resonance structures for...Ch. 22 - Prob. 22.3PCh. 22 - Give an IUPAC or common name for each compound.Ch. 22 - Problem 22.5 Draw the structure corresponding to...Ch. 22 - Prob. 22.6PCh. 22 - How would the compounds in each pair differ in...Ch. 22 - Problem 22.8 Deduce the structures of compounds ...Ch. 22 - Prob. 22.9PCh. 22 - Rank the compounds in each group in order of...
Ch. 22 - Prob. 22.11PCh. 22 - Prob. 22.12PCh. 22 - Prob. 22.13PCh. 22 - Prob. 22.14PCh. 22 - Problem 22.15 Draw the products of each...Ch. 22 - Problem 22.16 Draw the products of each reaction.
...Ch. 22 - Prob. 22.17PCh. 22 - Problem 22.18 Draw a stepwise mechanism for the...Ch. 22 - Prob. 22.19PCh. 22 - Problem 22.20 Fenofibrate is a...Ch. 22 - Problem 22.21 What product is formed when the...Ch. 22 - How would you synthesize olestra from sucrose?
Ch. 22 - What is the composition of the soap prepared by...Ch. 22 - Problem 22.24 Draw a stepwise mechanism for the...Ch. 22 - Prob. 22.25PCh. 22 - Problem 22.26 Some penicillins cannot be...Ch. 22 - Prob. 22.27PCh. 22 - Prob. 22.28PCh. 22 - Prob. 22.29PCh. 22 - Problem 22.30 Glucosamine is a dietry supplement...Ch. 22 - Draw the products of each reaction. a. c. b.Ch. 22 - Draw a tautomer of each compound.Ch. 22 - Draw the product of each reaction. a.b.Ch. 22 - Draw the product of each reaction. a. b.Ch. 22 - Prob. 22.35PCh. 22 - Problem 22.36 Outline two different ways that can...Ch. 22 - 22.37 Rank the following compounds in order of...Ch. 22 - Prob. 22.38PCh. 22 - Prob. 22.39PCh. 22 - Prob. 22.40PCh. 22 - Give thestructure corresponding to each name. a....Ch. 22 - Prob. 22.42PCh. 22 - Prob. 22.43PCh. 22 - 22.43 Explain why is a stronger acid and a weaker...Ch. 22 - Draw the product formed when pentanoyl chloride...Ch. 22 - Draw the product formed when pentanoic anhydride...Ch. 22 - Draw the product formed when phenylacetic acid is...Ch. 22 - Prob. 22.48PCh. 22 - Prob. 22.49PCh. 22 - Draw the product formed when phenylacetonitrile ...Ch. 22 - Prob. 22.51PCh. 22 - Prob. 22.52PCh. 22 - Prob. 22.53PCh. 22 - Prob. 22.54PCh. 22 - Prob. 22.55PCh. 22 - Prob. 22.56PCh. 22 - Draw a stepwise mechanism for each reaction. a. b.Ch. 22 - When acetic acid CH3COOH is treated with a trace...Ch. 22 - Prob. 22.59PCh. 22 - Prob. 22.60PCh. 22 - Prob. 22.61PCh. 22 - Prob. 22.62PCh. 22 - Prob. 22.63PCh. 22 - Draw a stepwise mechanism for the following...Ch. 22 - 22.63 Acid-catalyzed hydrolysis of forms compound...Ch. 22 - Prob. 22.66PCh. 22 - Devise a synthesis of each compound using...Ch. 22 - Convert 1-bromohexane (CH3CH2CH2CH2CH2CH2Br) into...Ch. 22 - Prob. 22.69PCh. 22 - Prob. 22.70PCh. 22 - Prob. 22.71PCh. 22 - Prob. 22.72PCh. 22 - Prob. 22.73PCh. 22 - Prob. 22.74PCh. 22 - Devise a synthesis of each labeled compound using...Ch. 22 - 22.70 What polyester or poly amide can be prepared...Ch. 22 - 22.71 What two monomers are needed to prepare each...Ch. 22 - Prob. 22.78PCh. 22 - How can IR spectroscopy be used to distinguish...Ch. 22 - Rank the compounds in each group in order of...Ch. 22 - 22.75 Identify the structures of each compound...Ch. 22 - 22.76 Identify the structures of A and B, isomers...Ch. 22 - Prob. 22.83PCh. 22 - 22.78 Identify the structure of compound C...Ch. 22 - 22.79 Identify the structures of D and E, isomers...Ch. 22 - 22.80 With reference to amides A and B, the...Ch. 22 - Prob. 22.87PCh. 22 - Prob. 22.88PCh. 22 - Prob. 22.89PCh. 22 - Draw a stepwise mechanism for the following...Ch. 22 - Draw a stepwise mechanism for the following...
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- One synthesis of the cholesterol-lowering drug atorvastatin involves the construction of the pyrrole by reaction of diketone X with amine Y. Draw a stepwise mechanism for this reaction.arrow_forwardDraw a stepwise mechanism for the conversion of lactone A to ester B using HCl in ethanol. B is converted in one step to ethyl chrysanthemate, a useful intermediate in the synthesis of a variety of pyrethrins, naturally occurring insecticides with three-membered rings that are isolated from chrysanthemums.arrow_forwardReaction of X and phenylacetic acid forms an intermediate Y, which undergoes an intramolecular reaction to yield rofecoxib. Rofecoxib is a nonsteroidal anti-inammatory agent once marketed under the trade name Vioxx, now withdrawn from the market because of increased risk of heart attacks from long-term use in some patients. Identify Y and draw a stepwise mechanism for its conversion to rofecoxib.arrow_forward
- Devise a synthesis of each compound from the given starting material(s). Albuterol is a bronchodilator and proparacaine is a local anesthetic.arrow_forwardReaction of X and phenylacetic acid forms an intermediate Y, which undergoes an intramolecular reaction to yield rofecoxib. Rofecoxib is a nonsteroidal antiinflammatory agent once marketed under the trade name Vioxx, now withdrawn from the market because of increased risk of heart attacks from long-term use in some patients. Identify Y and draw a stepwise mechanism for its conversion to rofecoxib.arrow_forwardDraw a stepwise mechanism for the following reaction, one step in thesynthesis of the cholesterol-lowering drug ezetimibe.arrow_forward
- Although γ-butyrolactone is a biologically inactive compound, it isconverted in the body to 4-hydroxybutanoic acid (GHB), an addictive andintoxicating recreational drug. Draw a stepwise mechanism for thisconversion in the presence of acid.arrow_forwardDraw a stepwise mechanism for the formation of A from an alcohol and acid chloride. A was converted in one step to blattellaquinone, the sex pheromone of the female German cockroach, Blattella germanica.arrow_forwardNabumetone is a pain reliever and anti-inammatory agent sold under the brand name of Relafen.a. Write out a synthesis of nabumetone from ethyl acetoacetate.b. What ketone and alkyl halide are needed to synthesize nabumetone by direct enolate alkylation?arrow_forward
- Identify A in the attached reaction sequence, and draw a mechanism forthe conversion of A to B. B has been converted to (S,S)-reboxetine, anantidepressant marketed outside the United States.arrow_forwardDraw a stepwise mechanism for the following Robinson annulation. This reaction was a key step in a synthesis of the steroid cortisone by R. B. Woodward and co-workers at Harvard University in 1951.arrow_forwardIdentify F in the following reaction sequence. F was converted in several steps to the antidepressant paroxetine (trade name Paxil)arrow_forward
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