Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Question
Chapter 23, Problem 23.59P
Interpretation Introduction
Interpretation:
The synthesis of histapyrrodine has to be shown.
Concept introduction:
Reduction:
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The following three derivatives of succinimide are anticonvulsants and have found use in the treatment of epilepsy, particularly petit mal seizures.
Ph
Ph
`N'
`N'
ČH3
ČH3
Methsuximide
Ethosuximide
Phensuximide
Following is a synthesis of phensuximide.
CN
Ph
CN
Ph
CN
1. NaOH, H2O
2. HC, Н20
NaOEt
KCN
Ph-CHO
cOOEt
H
cOOEt
NC
COOEt
3. Нeat
Ethyl
cyanoacetate
(A)
(B)
Benzaldehyde
Ph
Ph
Ph
CH;NH2
НООС
СООН
Et0oC
COOEt
`N'
(C)
(D)
ČH3
Phensuximide
Methsuximide is formed by a similar pathway to that shown for phensuximide. Draw the structure of the compound that reacts with ethyl cyanoacetate in the synthesis of
methsuximide.
The following three derivatives of succinimide are anticonvulsants and have found use in the treatment of epilepsy, particularly petit mal seizures.
Ph.
Ph
`N'
ČH3
ČH3
Methsuximide
Ethosuximide
Phensuximide
Following is a synthesis of phensuximide.
CN
Ph
CN
Ph
CN
NaOEt
KCN
1. NaOH, H2O
Ph-CHO
2. HС, Н20
COOET
H
cOOEt
NC
COOEt
3. Нeat
Ethyl
cyanoacetate
(A)
(B)
Benzaldehyde
Ph.
Ph
Ph
CH3NH2
НООС
СООН
EtOOC
COOET
`N'
(C)
(D)
ČH3
Phensuximide
In the conversion of (B) to (C), draw the structure of the product of step 1.
Synthesize benzylamine from benzaldehyde
Chapter 23 Solutions
Organic Chemistry
Ch. 23.1 - Prob. 23.1PCh. 23.2 - Prob. 23.2PCh. 23.2 - Prob. 23.3PCh. 23.2 - Prob. 23.4PCh. 23.5 - Prob. 23.5PCh. 23.5 - Prob. AQCh. 23.5 - What is the hybridization of the nitrogen in...Ch. 23.5 - Prob. CQCh. 23.5 - The pKas of the conjugate acids of aniline and...Ch. 23.5 - Prob. EQ
Ch. 23.5 - Prob. FQCh. 23.5 - Prob. GQCh. 23.5 - Select the stronger acid from each pair of...Ch. 23.6 - Prob. 23.7PCh. 23.6 - Prob. 23.8PCh. 23.6 - Prob. 23.9PCh. 23.7 - Prob. 23.10PCh. 23.8 - Prob. 23.11PCh. 23.8 - Prob. 23.12PCh. 23.8 - Prob. 23.13PCh. 23.9 - Prob. 23.14PCh. 23.10 - In Example 23.15, you considered the product of...Ch. 23 - Prob. 23.16PCh. 23 - Prob. 23.17PCh. 23 - Prob. 23.18PCh. 23 - Prob. 23.19PCh. 23 - Prob. 23.20PCh. 23 - Prob. 23.21PCh. 23 - Prob. 23.22PCh. 23 - Account for the formation of the base peaks in...Ch. 23 - Prob. 23.24PCh. 23 - Select the stronger base from each pair of...Ch. 23 - The pKa, of the conjugate acid of morpholine is...Ch. 23 - Which of the two nitrogens in pyridoxamine (a form...Ch. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - Prob. 23.30PCh. 23 - Prob. 23.31PCh. 23 - Suppose you have a mixture of these three...Ch. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - Prob. 23.35PCh. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - (S)-Glutamic acid is one of the 20 amino acid...Ch. 23 - Prob. 23.39PCh. 23 - Propose a structural formula for the compound...Ch. 23 - Prob. 23.41PCh. 23 - The pyrolysis of acetic esters to give an alkene...Ch. 23 - Propose steps for the following conversions using...Ch. 23 - Show how to bring about each step in this...Ch. 23 - Show how to bring about each step in the following...Ch. 23 - Prob. 23.48PCh. 23 - Prob. 23.49PCh. 23 - Methylparaben is used as a preservative in foods,...Ch. 23 - Prob. 23.51PCh. 23 - Prob. 23.52PCh. 23 - Propose a synthesis for the systemic agricultural...Ch. 23 - Prob. 23.54PCh. 23 - Several diamines are building blocks for the...Ch. 23 - Prob. 23.56PCh. 23 - Prob. 23.57PCh. 23 - Prob. 23.58PCh. 23 - Prob. 23.59PCh. 23 - Following is a retrosynthesis for the coronary...Ch. 23 - Prob. 23.61PCh. 23 - Prob. 23.62PCh. 23 - Given this retrosynthetic analysis, propose a...Ch. 23 - Prob. 23.64PCh. 23 - Following is a series of anorexics (appetite...Ch. 23 - Prob. 23.66PCh. 23 - Prob. 23.67PCh. 23 - Show how the synthetic scheme developed in Problem...Ch. 23 - Prob. 23.69PCh. 23 - Prob. 23.70PCh. 23 - Prob. 23.71PCh. 23 - Prob. 23.72P
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