Concept explainers
(a)
Interpretation:
Synthesis of benzoic acid has to be shown.
Concept Introduction:
Benzoic acid can be synthesized from ethyl benzene using
(b)
Interpretation:
Synthesis of 1-bromo-1-phenylethane has to be shown.
Concept Introduction:
1-bromo-1-phenylethane can be synthesized using the reagents
(c)
Interpretation:
Synthesis of styrene has to be shown.
Concept Introduction:
The reagent used for the conversion of 1-bromo-1-phenylethane to styrene is
(d)
Interpretation:
Synthesis of 1-phenylethanol has to be shown.
Concept Introduction:
1-phenyl ethanol can be synthesized from styrene by the addition of water in acidic medium.
(e)
Interpretation:
Synthesis of acetophenone has to be shown.
Concept Introduction:
Acetophenone can be synthesized from benzene and benzene can be synthesized from benzoic acid. When
(f)
Interpretation:
Synthesis of 2-phenylethanol has to be shown.
Concept Introduction:
2-phenylethanol can be synthesized from styrene through hydroboration oxidation reaction.
(g)
Interpretation:
Synthesis of phenyl acetaldehyde has to be shown.
Concept Introduction:
phenyl acetaldehyde can be synthesized from styrene.
The reagent titanosilicate and hydrogen peroxide enhance the ethylene epoxidation reaction.
Al-SBA-15 is an aluminosilicate compound having mesoporous structure. It helps in isomerization of
(h)
Interpretation:
Synthesis of 2-phenylacetic acid has to be shown.
Concept Introduction:
The ester formed during this reaction is treated with
(i)
Interpretation:
Synthesis of 1,2-dibromo-1-phenylethane has to be shown.
Concept Introduction:
1,2-dibromo-1-phenylethane can be synthesized from styrene through bromination reaction.
(j)
Interpretation:
Synthesis of phenylethyne has to be shown.
Concept Introduction:
phenylethyne can be synthesized from 1,2-dibromo-1-phenylethane. The reagent used is sodium amide in liquid ammonia cause dehydrohalogenation.
(k)
Interpretation:
Synthesis of 1-phenyl-4-penten-1-yne has to be shown.
Concept Introduction:
1-phenyl-4-penten-1-yne can be prepared from phenylethyne and prop-2-en-1-ol. Carbon-carbon coupling will occur by using these reagents.
(l)
Interpretation:
Synthesis of 1-phenyloctyne has to be shown.
Concept Introduction:
1-phenyloctyne can be synthesized from phenylethyne through two steps. In the first step phenylethyne treated with Grignard reagent to get 1-phenylethyne magnesium bromide which then react with hexyl iodide in second step to give 1-phenyloctyne.
(m)
Interpretation:
Concept Introduction:
(n)
Interpretation:
Concept Introduction:
Trending nowThis is a popular solution!
Chapter 21 Solutions
Organic Chemistry
- Show how to bring about each step in this synthesis of the herbicide propranil.arrow_forwardStarting with benzene, toluene, or phenol as the only sources of aromatic rings, show how to synthesize the following. Assume in all syntheses that mixtures of ortho-para products can be separated into the desired isomer. Q.) 1-Bromo-4-nitrobenzenearrow_forwardStarting with benzene, toluene, or phenol as the only sources of aromatic rings, show how to synthesize the following. Assume in all syntheses that mixtures of ortho-para products can be separated into the desired isomer. Q.)m-Nitrobenzenesulfonic acidarrow_forward
- Guiding your reasoning by retrosynthetic analysis, show how you could prepare each of the following compounds from the given starting material and any necessary organic or inorganic reagents. All require more than one synthetic step. (a) Cyclopentyl iodide from cyclopentane (b) 1-Bromo-2-methylpropane from 2-bromo-2-methylpropane (c) meso-2,3-Dibromobutane from 2-butyne (d) 1-Heptene from 1-bromopentane (e) cis-2-Hexene from 1,2-dibromopentane (f) Butyl methyl ether (CH3CH2CH2CH2OCH3) from 1-butenearrow_forwardShow how you would synthesize the following compounds, starting with benzene or toluene and any necessary reagents. Assume para is the major product (and separable from ortho) in ortho, para mixtures. a) 1-phenypentane b) p- bromobenzene sulfonic acid c) o- chlorobenzonic acid d) m- chloronitrobenzenearrow_forwardStarting with benzene, toluene, or phenol as the only sources of aromatic rings, show how to synthesize the following. Assume in all syntheses that mixtures of ortho-para products can be separated into the desired isomer. Q.)p-Chlorobenzoic acidarrow_forward
- Startting with benzene and using any other necessary reagents of your choice, design a synthesis for the following compound.arrow_forwardStarting from benzene, provide a synthesis of the following compound. Ensure that the product is prepared in the highest percent yield possible. Provide all necessary reagents and draw the compound formed after each step. You do not have to use curved arrows.arrow_forwardStarting from benzene, synthesize the following substances by choosing the appropriate reagents. a) m-chloro benzoic acid b) p-nitro phenolarrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning