Organic Chemistry (6th Edition)
6th Edition
ISBN: 9781260119107
Author: Janice Gorzynski Smith
Publisher: McGraw Hill Education
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Textbook Question
Chapter 17.2, Problem 2P
Which carbonyl groups in the anticancer drug taxol (Section
taxol
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Ibufenac, a para-disubstituted arene with the structure HO2CCH2C6H4CH2CH(CH3)2, is a much more potent analgesic than aspirin, but it was never sold commercially because it caused liver toxicity in some clinical trials. Devise a synthesis of ibufenac from benzene and organic halides having fewer than five carbons.
Which carbonyl groups in the anticancer drug taxol (Section 5.5) will undergo nucleophilic addition and which will undergo nucleophilic substitution?
Muscalure, the sex pheromone of the common housey, can be prepared by a reaction sequence that uses two nucleophilic substitutions. Identify compounds A–D in the following synthesis of muscalure.
Chapter 17 Solutions
Organic Chemistry (6th Edition)
Ch. 17.1 - Prob. 1PCh. 17.2 - Which carbonyl groups in the anticancer drug taxol...Ch. 17.2 - Prob. 3PCh. 17.4 - Problem 20.4 What alcohol is formed when each...Ch. 17.4 - Problem 20.5 What aldehyde or ketone is needed to...Ch. 17.5 - Problem 20.8 Draw the products formed (including...Ch. 17.7 - Problem 20.10 Draw a stepwise mechanism for the...Ch. 17.7 - Prob. 10PCh. 17.7 - Problem 20.12 Draw the products formed from ...Ch. 17.7 - Prob. 12P
Ch. 17.7 - Prob. 13PCh. 17.8 - Prob. 14PCh. 17.8 - Problem-20.16 Review the oxidation reactions using...Ch. 17.9 - Problem-20.17 Write the step(s) needed to convert ...Ch. 17.9 - Prob. 18PCh. 17.10 - Problem 20.21 Draw the product of each reaction.
...Ch. 17.10 - Problem 20.22 Draw the products (including...Ch. 17.11 - Problem 20.23 What Grignard reagent and carbonyl...Ch. 17.11 - Problem 20.24 Linalool (the Chapter 9 opening...Ch. 17.11 - Problem 20.25 What Grignard reagent and carbonyl...Ch. 17.12 - Prob. 24PCh. 17.13 - Problem 20.28 What ester and Grignard reagent are...Ch. 17.13 - Prob. 27PCh. 17.13 - Problem 20.30 What reagent is needed to convert ...Ch. 17.13 - Prob. 29PCh. 17.14 - What carboxylic acid formed from each alkyl halide...Ch. 17 - 20.37 Devise a synthesis of each alcohol from...Ch. 17 - 20.38 Draw the products formed when pentanal is...Ch. 17 - 20.39 Draw the product formed when is treated...Ch. 17 - The stereochemistry of the products of reduction...Ch. 17 - Prob. 40PCh. 17 - 20.42 Draw the products or each reduction...Ch. 17 - 20.44 Draw all stereoisomers formed in each...Ch. 17 - 20.54 Draw a stepwise mechanism for the following...Ch. 17 - Prob. 57PCh. 17 - Prob. 58PCh. 17 - 20.57 What ester and Grignard reagent are needed...Ch. 17 - 20.58 What organolithium reagent and carbonyl...Ch. 17 - 20.59 What epoxide and organometallic reagent are...Ch. 17 - Prob. 62PCh. 17 - 20.69 An unknown compound A (molecular formula )...Ch. 17 - 20.70 Treatment of compound C (molecular formula )...
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- A key step in a synthesis of the antimalarial drug quinine involves an intramolecular nucleophilic substitution that converts A to B. Draw the structure of B and give the reagents needed to convert B to quinine.arrow_forwardWhat neutral nucleophile is needed to convert dihalide A to ticlopidine, an antiplatelet drug used to reduce the risk of strokes?arrow_forwardFluorination of a benzene ring can be accomplished with Selectfluor, a reagent that contains a fluorine bonded to a positively charged nitrogen atom. Fluorination is a useful reaction because several common drugs, such as the cholesterol-lowering drug atorvastatin, contain a fluorine bonded to an aromatic ring. Assuming that fluorination is analogous to other examples of electrophilic aromatic substitution, draw a stepwise mechanism for the following reaction.arrow_forward
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- Fill in the missing reagents a-e in the following scheme:arrow_forwardMuscalure, the sex pheromone of the common housefly, can be prepared by a reaction sequence that uses two nucleophilic substitutions. Identify compounds A–D in the following synthesis of muscalure.arrow_forwardCoumarin, a naturally occurring compound isolated from lavender, sweet clover, and tonka bean, is made in the laboratory from o-hydroxybenzaldehyde by the reaction depicted below. Draw a stepwise mechanism for this reaction. Coumarin derivatives are useful synthetic anticoagulants.arrow_forward
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