Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
5th Edition
ISBN: 9781260170405
Author: SMITH
Publisher: MCG
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Chapter 9, Problem 9.81P
Aziridines are heterocycles that contain an N atom in a three-membered ring. Like
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Aziridines are heterocycles that contain an N atom in a three-membered ring. Like epoxides, aziridines are strained and reactive because the 60° bond angles of the three-membered ring deviate greatly from the theoretical tetrahedral bond angle. One step in the synthesis of the drug oseltamivir (trade name Tamiu, Section 3.2) involves the conversion of amine X to diamine Y, a reaction that occurs by way of an intermediate aziridine. Draw a stepwise mechanism for the conversion of X to Y. Indicate the structure of the aziridine intermediate, and explain the trans stereochemistry of the two amines in Y.
y-Butyrolactone (C4H6O2, GBL) is a biologically inactive compound that is converted to the biologically active recreational drug GHB (Section 19.5) by a lactonase enzyme in the body. Since y-butyrolactone is more fat soluble than GHB, it is more readily absorbed by tissues and thus produces a faster onset of physiological symptoms. y-Butyrolactone shows an absorption in its IR spectrum at 1770 cm-1 and the following 1H NMR spectral data: 2.28 (multiplet, 2 H), 2.48 (triplet, 2 H), and 4.35 (triplet, 2 H) ppm. What is the structure of y-butyrolactone?
Enanthotoxin is an extremely poisonous organic compound found in hemlock water drop-
wart, which is reputed to be the most poisonous plant in England. It is believed that no
British plant has been responsible for more fatal accidents. The most poisonous part of
the plant is the roots, which resemble small white carrots, giving the plant the name"five
finger death."Also poisonous are its leaves, which look like parsley. Enanthotoxin is thought
to interfere with the Nat current in nerve cells, which leads to convulsions and death.
он
How many stereoisomers are possible for enanthotoxin?
Chapter 9 Solutions
Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
Ch. 9 - Problem 9.1 Label each ether and alcohol in...Ch. 9 - Give the IUPAC name for each compound.Ch. 9 - Problem 9.3 Give the structure corresponding to...Ch. 9 - Name each of the following ethers.Ch. 9 - Name each epoxide.
a. (two ways) b. c. (two...Ch. 9 - Problem 9.6 Rank the following compounds in order...Ch. 9 - Which mechanism is favored by the use of crown...Ch. 9 - Problem 9.8 Draw the organic product of each...Ch. 9 - Prob. 9.9PCh. 9 - Problem 9.10 Draw the products of each reaction.
...
Ch. 9 - Problem 9.11 Draw the products formed when each...Ch. 9 - Prob. 9.12PCh. 9 - Problem 9.13 Draw the structure of each...Ch. 9 - What other alkene is also formed along with Y in...Ch. 9 - Prob. 9.15PCh. 9 - Explain why two substitution products are formed...Ch. 9 - Draw the products of each reaction. a. b. c.Ch. 9 - Problem 9.18 Draw the products of each reaction,...Ch. 9 - Problem 9.19 What is the major product formed...Ch. 9 - Prob. 9.20PCh. 9 - Prob. 9.21PCh. 9 - Problem 9.22 Draw the organic products formed in...Ch. 9 - Problem 9.23 Draw two steps to convert into each...Ch. 9 - Prob. 9.24PCh. 9 - Problem 9.25 Draw the products of each reaction,...Ch. 9 - Draw the products formed when (S)-butan-2-ol is...Ch. 9 - Draw the product formed when (CH3)2CHOH is treated...Ch. 9 - What alkyl halides are formed when each ether is...Ch. 9 - Explain why the treatment of anisole with HBr...Ch. 9 - Name each thiol.
a. b.
Ch. 9 - Draw the product of each reaction. ac b.d.Ch. 9 - Give the IUPAC name for each sulfide.
a. b.
Ch. 9 - Draw the product of each reaction.
a. b.
Ch. 9 - Prob. 9.34PCh. 9 - The cis and trans isomers of 2, 3-dimethyloxirane...Ch. 9 - Problem 9.36 Draw the product of each...Ch. 9 - 9.37 Name each compound depicted in the...Ch. 9 - Answer each question using the ball-and-stick...Ch. 9 - Prob. 9.39PCh. 9 - 9.40 Give IUPAC name for each...Ch. 9 - Prob. 9.41PCh. 9 - Prob. 9.42PCh. 9 - Prob. 9.43PCh. 9 - 9.44 Why is the boiling point of higher than...Ch. 9 - 9.45 Draw the organic product(s) formed when is...Ch. 9 - 9.46 What alkenes are formed when each alcohol is...Ch. 9 - Prob. 9.47PCh. 9 - 9.48 Draw the products of each reaction and...Ch. 9 - 9.49 Draw the product of the following reaction,...Ch. 9 - Prob. 9.50PCh. 9 - Prob. 9.51PCh. 9 - 9.52 Draw a stepwise mechanism for the following...Ch. 9 - 9.53 Although alcohol V gives a single alkene W...Ch. 9 - Prob. 9.54PCh. 9 - Prob. 9.55PCh. 9 - Prob. 9.56PCh. 9 - 9.57 Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.58PCh. 9 - 9.59 Draw two different routes to each of the...Ch. 9 - Prob. 9.60PCh. 9 -
9.61 Draw the products formed when each ether is...Ch. 9 - 9.62 Draw a stepwise mechanism for each...Ch. 9 - Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.64PCh. 9 - Draw the products of each reaction. a.c. b.d.Ch. 9 - When each halohydrin is treated with, a product of...Ch. 9 - Prob. 9.67PCh. 9 - Prob. 9.68PCh. 9 - Prob. 9.69PCh. 9 - Prob. 9.70PCh. 9 - Prepare each compound from cyclopentanol. More...Ch. 9 - 9.72 Identify the reagents (a–h) needed to carry...Ch. 9 - Prob. 9.73PCh. 9 - 9.74 Treatment of with affords compound A and ....Ch. 9 - Prob. 9.75PCh. 9 - Prob. 9.76PCh. 9 - 9.77 Draw a stepwise, detailed mechanism for the...Ch. 9 - 9.78 Dehydration of with affords
as a minor...Ch. 9 - Prob. 9.79PCh. 9 - 9.80 Draw a stepwise mechanism for the following...Ch. 9 -
9.81 Aziridines are heterocycles that contain an...
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