Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Chapter 7, Problem 24PP
Interpretation Introduction
Interpretation:
The conversion of 2-nonyne to
Concept introduction:
The reduction of
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O PRACTICE PROBLEM 8.14
Starting with any needed alkene (or cycloalkene) and assuming you have deuterioace-
tic acid (CH3CO,D) available, outline syntheses of the following deuterium-labeled
compounds.s el en
olad lo nohibbs ad
CH3
(a) (CH3)2CHCH2CH,D
(b) (CH3),CHCHDCH3 (c)
(+ enantiomer)
(d) Assuming you also have available BD3:THF and CH3CO2T, can you suggest a
synthesis of the following?
hab erl
(+ enantiomer)he
imo
(nwond-ben)
CH3
H.
(asoholea)
• PRACTICE PROBLEM 8.24 A, B, and C are alkynes. Elucidate their structures and that of D using the following
reaction roadmap.
H2, Pt
H,, Pt
A
(C3H14)
(C3H14)
IR: 3300 cm
(1) O3
(2) HOẠC
HO,
H2, Pt
(C3H12)
(C3H16)
(1) O3
(2) HOAC
hol bian vd beeollot
Но.
ОН
AOH
7.44
Give the structures of two different alkyl bromides both of which yield the indicated alkene as the
exclusive product of E2 elimination.
(а) СH;CH—CH,
(b) (CH3)2С—СH2
(c) BRCH=CB12
CH3
(d)
CH3
Chapter 7 Solutions
Organic Chemistry
Ch. 7 - Prob. 1PPCh. 7 - Prob. 2PPCh. 7 - Prob. 3PPCh. 7 - Prob. 4PPCh. 7 - Practice Problem 7.5
How many stereoisomers are...Ch. 7 - Prob. 6PPCh. 7 - Prob. 7PPCh. 7 - PRACTICE PROBLEM 7.8
Examine Solved Problem 7.3....Ch. 7 - Prob. 9PPCh. 7 - Practice Problem 7.10 When...
Ch. 7 - Practice Problem 7.11
(a) When...Ch. 7 - Prob. 12PPCh. 7 - Prob. 13PPCh. 7 - Practice Problem 7.14
Dehydration of 2-propanol...Ch. 7 - Practice Problem 7.15
Rank the following alcohols...Ch. 7 - Practice Problem 7.16
Acid-catalyzed dehydration...Ch. 7 - Practice Problem 7.17 Acid-catalyzed dehydration...Ch. 7 - Prob. 18PPCh. 7 - Prob. 19PPCh. 7 - Practice Problem 7.20
Show how you might...Ch. 7 - Prob. 21PPCh. 7 - Prob. 22PPCh. 7 - Practice Problem 7.23
Write the structure of...Ch. 7 - Prob. 24PPCh. 7 - Prob. 25PPCh. 7 - Practice Problem 7.26 (a) Devise retrosynthetic...Ch. 7 - Each of the following names is incorrect, Give the...Ch. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Give the IUPAC names for each of the following:...Ch. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - 7.35. Write structural formulas for all the...Ch. 7 - 7.36. Explain the following observations: When...Ch. 7 - Prob. 37PCh. 7 - Arrange the following alcohols in order of their...Ch. 7 - Prob. 39PPCh. 7 - Prob. 40PPCh. 7 - Prob. 41PPCh. 7 - Prob. 42PPCh. 7 - Your task is to prepare isopropyl methyl ether by...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - 7.47. Starting with an appropriate alkyl halide...Ch. 7 - Prob. 48PCh. 7 - 7.49. What is the index of hydrogen deficiency...Ch. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Compounds I and J both have the molecular formula...Ch. 7 - Prob. 53PCh. 7 - 7.54. Outline a synthesis of phenylethyne from...Ch. 7 - Prob. 55PPCh. 7 - Prob. 56PPCh. 7 - Prob. 57PPCh. 7 - cis-4-Bromocyclohexanol tBuOHtBuO racemic C6H10O...Ch. 7 - Prob. 59PPCh. 7 - Consider the interconversion of cis-2-butene and...Ch. 7 - Prob. 61PCh. 7 - (a) Using reactions studied in this chapter, show...Ch. 7 - Prob. 63PCh. 7 - Prob. 64PCh. 7 - 1. Write the structure(s) of the major product(s)...Ch. 7 - Prob. 2LGPCh. 7 - (a) Write the structure of the product(s) formed...Ch. 7 - Prob. 4LGP
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- Name each alkene and specify its configuration by the E,Z system. (Be sure to indicate double bond stereochemistry using (E)/(Z) notation. It is not necessary to use italics in writing compound names.) (a) (b) Brarrow_forward• PRACTICE PROBLEM 8.12 Treating a hindered alkene such as 2-methyl-2-butene with BH3:THE leads to the for- mation of a dialkylborane instead of a trialkylborane. When 2 mol of 2-methyl-2-butene is added to 1 mol of BH3, the product formed is bis(3-methyl-2-butyl)borane, nicknamed in reagent "disiamylborane." Write its structure. Bis(3-methyl-2-butyl)borane is a useful certain syntheses that require a sterically hindered borane. (The name “disiamyl" comes from "disecondary-iso-amyl," a completely unsystematic and unacceptable name. The name "amyl" is an old common name for a five-carbon alkyl group.) donbyarrow_forwardUsing cyclooctyne as your starting material, show how you would synthesize the following compounds. (Once you haveshown how to synthesize a compound, you may use it as the starting material in any later parts of this problem.)(a) cis-cyclooctene (b) cyclooctane (c) trans-1,2-dibromocyclooctanearrow_forward
- • PRACTICE PROBLEM 8.13 Specify the appropriate alkene and reagents for synthesis of each of the following alcohols by hydroboration–oxidation. (a) (c) OH (e) CH3 OH AH OH no mobe OH ( (b) (d) (f) OH HT H3 D OH OH HO OHarrow_forwardName each alkene and specify its configuration by the E,Z system. (Be sure to indicate double bond stereochemistry using (E)/(Z) notation. It is not necessary to use italics in writing compound names.) (a) (b) (C) کو C1- Br لولهarrow_forward• PRACTICE PROBLEM 6.6 S 2 reactions that involve substitution at a chirality center can be used to relate the configuration of one molecule to another, because we know the SN2 reaction will occur with inversion. (a) Illustrate how this is true by assigning R,S configurations to the 2-chlorobutane enantiomers based on the following data. [The configuration of (-)-2-butanol is given in Section 5.8C.] HO- (+)-2-Chlorobutane (-)-2-Butanol SN2 [a]3 = +36.00 (Enantiomerically pure) [a] = -13.52 (Enantiomerically pure) noin (b) When enantiomerically pure (+)-2-chlorobutane is allowed to react with potassium iodide in acetone in an SN2 reaction, the 2-iodobutane that is produced has a minus optical rotation. What is the configuration of (-)-2-iodobutane? Of (+)-2-iodobutane?arrow_forward
- Using cyclooctyne as your starting material, show how you would synthesize the following compounds. (Once you haveshown how to synthesize a compound, you may use it as the starting material in any later parts of this problem.)(a) cis-cyclooctene (b) cyclooctane (c) trans-1,2-dibromocyclooctane(d) cyclooctanone (e) 1,1-dibromocyclooctane (f) 3-bromocyclooctene(g) cyclooctane-1,2-dionearrow_forward(a) Explain how pyrrole is isoelectronic with the cyclopentadienyl anion.(b) Specifically, what is the difference between the cyclopentadienyl anion and pyrrole?(c) Draw resonance forms to show the charge distribution on the pyrrole structure.arrow_forwardUsing cyclooctyne as your starting material, show how you would synthesize the following compounds. (Once you haveshown how to synthesize a compound, you may use it as the starting material in any later parts of this problem.)(a) cis-cyclooctenearrow_forward
- 2. (a) Give the product of the following reaction: Br t-BUOK (b) Using the FMOS of the reacting partners explain why this reaction is expected to occur simply on heating, in the absence of light. (c) Specify the preferred stereoisomer and explain why it is preferred.arrow_forward• PRACTICE PROBLEM 8.18 Starting with cyclohexene and using any other needed reagents, outline a synthesis of 7,7-dibromobicyclo[4.1.0]heptane.arrow_forwardReview Problem 5.2 Construct handheld models of the 2-butanols represented in Fig. 5.3 and demonstrate for yourself that they are not mutually superposable. (a) Make similar models of 2-bromo- propane. Are they superposable? (b) Is a molecule of 2-bromopropane chiral? (c) Would you expect to find enantiomeric forms of 2-bromopropane? H но OH H HO HH OH OH HO H CH CH CH C CH CH II II (a) (b) (c) Figure 5.3 (a) Three-dimensional drawings of the 2-butanol enantiomers I and II. (b) Models of the 2-butanol enantiomers. (c) An unsuccessful attempt to superpose models of I and II.arrow_forward
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