Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 18, Problem 25P
The African dwarf crocodile secretes a volatile substance believed to be a sex
pheromone. It is a mixture of two stereoisomers, one of which is shown:
(a) Give the IUPAC name for this compound, including
(b) One component of the scent substance has the
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Coibacin B (shown below) is a natural product that exhibits potent anti-inflammatory activity and potential activity in the treatment of leishmaniasis, a disease caused by certain
parasites
(Org. Lett. 2012, 14, 3878-3881):
(a) Assign the configuration (R or S) of each chirality center (labeled A to C) in coibacin B.
(b) Identify the number of possible stereoisomers for this compound, assuming that the geometry of the alkenes are fixed. Choices are given below and write the CAPITAL
LETTER of your choice.
A. 2
В. 4
С. 8
D.
16
ANSWERS:
(a) A.
В.
C.
(b)
5-Hydroxyhexanal forms a six-membered cyclic hemiacetal, which predominates at equilibrium in aqueous solution.
(a) Draw a structural formula for this cyclic hemiacetal.
(b) How many stereoisomers are possible for 5-hydroxyhexanal?
(c) How many stereoisomers are possible for this cyclic hemiacetal?
(d) Draw alternative chair conformations for each stereoisomer and label groups axial or Also predict which of the alternative chair conformations for each stereoisomer is more stable.
Diltiazem is prescribed to treat hypertension, and simvastatin is a cholesterol-lowering drug. Locate the chirality centers in each.
Chapter 18 Solutions
Organic Chemistry - Standalone book
Ch. 18.1 - Prob. 1PCh. 18.1 - Prob. 2PCh. 18.3 - Prob. 3PCh. 18.4 - Prob. 4PCh. 18.4 - Prob. 5PCh. 18.6 - Prob. 6PCh. 18.7 - Prob. 7PCh. 18.7 - Prob. 8PCh. 18.7 - Prob. 9PCh. 18.8 - Prob. 10P
Ch. 18.8 - Prob. 11PCh. 18.8 - Prob. 12PCh. 18.9 - Prob. 13PCh. 18.10 - Prob. 14PCh. 18.10 - Prob. 15PCh. 18.11 - Problem 18.16 The product of the following...Ch. 18.11 - Prob. 17PCh. 18.12 - Problem 18.18 What other combination of ylide and...Ch. 18.12 - Prob. 19PCh. 18.12 - Prob. 20PCh. 18.12 - Prob. 21PCh. 18.13 - Prob. 22PCh. 18 - (a) Write structural formulas and provide IUPAC...Ch. 18 - Each of the following aldehydes and ketones is...Ch. 18 - The African dwarf crocodile secretes a volatile...Ch. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Each of the following reaction has been reported...Ch. 18 - Prob. 33PCh. 18 - On standing in 17O-labeled water, both...Ch. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - The OH groups at C-4 and C-6 of methyl ...Ch. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - The sex attractant of the female winter moth has...Ch. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Suggest a reasonable mechanism for each of the...Ch. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52DSPCh. 18 - Prob. 53DSPCh. 18 - Prob. 54DSPCh. 18 - Prob. 55DSPCh. 18 - Prob. 56DSPCh. 18 - Prob. 57DSPCh. 18 - Prob. 58DSP
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