OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
8th Edition
ISBN: 9781305865617
Author: Brown, Iverson, Anslyn, FOOTE
Publisher: Cengage Learning US
Question
Book Icon
Chapter 17, Problem 17.41P

(a)

Interpretation Introduction

Interpretation: Mechanism for the given type of decarboxylation reaction has to be proposed and it should be compared with the mechanism of decarboxylation of βketoacid

Concept introduction:

Carboxylic acids contain a carbonyl attached to a hydroxyl group as shown below,

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  1

If carboxylic acid is heated to a very high temperature then of carbon dioxide will be eliminated from it this reaction is known as decarboxylation. Simple carboxylic acids do not decarboxylate readily.

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  2

Decarboxylation of βketoacid is shown below,

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  3

The mechanism of thermal decarboxylation involves two processes,

  1. (i) Redistribution of electrons in a cyclic transition state.
  2. (ii) Cyclic transition state possesses keto-enol tautomerism.

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  4

(b)

Interpretation Introduction

Interpretation: Mechanism for the given type of decarboxylation reaction has to be proposed and it should be compared with the mechanism of decarboxylation of βketoacid

Concept introduction:

Carboxylic acids contain a carbonyl attached to a hydroxyl group as shown below,

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  5

If carboxylic acid is heated to a very high temperature then of carbon dioxide will be eliminated from it this reaction is known as decarboxylation. Simple carboxylic acids do not decarboxylate readily.

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  6

Decarboxylation of βketoacid is shown below,

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  7

Simply the mechanism of thermal decarboxylation involves two processes,

  1. (i) Redistribution of electrons in a cyclic transition state.
  2. (ii) Cyclic transition state possesses keto-enol tautomerism.

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition, Chapter 17, Problem 17.41P , additional homework tip  8

Blurred answer
Students have asked these similar questions
1. Determine the relationship between the following molecules as identical, diastereomers, or enantiomers (6 points, 2 points each). OH OH OH A-A OH HOT HO- ACHN and HO- ACHN OH HO HO ° OH and OH OH SH and ...SH
20,0 Complete the electron pushing mechanism to y drawing the necomery unicaciones and carved on for Step 1: Add curved arms for the tint step, traiment with NalilĻ. The Nation 458 Step 2: Added for the second step, inalment with), how the "counterion bar Step 3: Daw the products of the last simplom organic and one incoganic spacient, including all nonbonding
please provide the structure for this problem, thank you!

Chapter 17 Solutions

OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition

Ch. 17 - Write the IUPAC name of each compound, showing...Ch. 17 - Prob. 17.8PCh. 17 - Prob. 17.9PCh. 17 - Prob. 17.10PCh. 17 - Prob. 17.11PCh. 17 - Prob. 17.12PCh. 17 - Prob. 17.13PCh. 17 - On a cyclohexane ring, an axial carboxyl group has...Ch. 17 - Prob. 17.15PCh. 17 - Prob. 17.16PCh. 17 - Prob. 17.17PCh. 17 - Complete each reaction.Ch. 17 - Prob. 17.19PCh. 17 - Prob. 17.20PCh. 17 - Prob. 17.21PCh. 17 - Show the reagents and experimental conditions...Ch. 17 - Prob. 17.23PCh. 17 - Prob. 17.24PCh. 17 - Prob. 17.25PCh. 17 - In each set, assign the acid its appropriate pKa.Ch. 17 - Low-molecular-weight dicarboxylic acids normally...Ch. 17 - Complete the following acid-base reactions. (a)...Ch. 17 - Prob. 17.29PCh. 17 - Prob. 17.30PCh. 17 - Excess ascorbic acid is excreted in the urine, the...Ch. 17 - Give the expected organic product when...Ch. 17 - Show how to convert trans-3-phenyl-2-propenoic...Ch. 17 - Show how to convert 3-oxobutanoic acid...Ch. 17 - Prob. 17.35PCh. 17 - Prob. 17.36PCh. 17 - Prob. 17.37PCh. 17 - When 4-hydroxybutanoic acid is treated with an...Ch. 17 - Fischer esterification cannot be used to prepare...Ch. 17 - Draw the product formed on thermal decarboxylation...Ch. 17 - Prob. 17.41PCh. 17 - Show how cyclohexanecarboxylic acid could be...Ch. 17 - Prob. 17.43PCh. 17 - Prob. 17.44PCh. 17 - Prob. 17.45PCh. 17 - Write the products of the following sequences of...Ch. 17 - Using your reaction roadmaps as a guide, show how...Ch. 17 - Using your reaction roadmaps as a guide, show how...Ch. 17 - Using your reaction roadmaps as a guide, show how...Ch. 17 - Using your reaction roadmaps as a guide, show how...Ch. 17 - Prob. 17.51PCh. 17 - Complete the following Fischer esterification...Ch. 17 - Prob. 17.53P
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Organic Chemistry
Chemistry
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:Cengage Learning
Text book image
EBK A SMALL SCALE APPROACH TO ORGANIC L
Chemistry
ISBN:9781305446021
Author:Lampman
Publisher:CENGAGE LEARNING - CONSIGNMENT
Text book image
Organic Chemistry
Chemistry
ISBN:9781305080485
Author:John E. McMurry
Publisher:Cengage Learning