EBK ORGANIC CHEMISTRY STUDY GUIDE AND S
EBK ORGANIC CHEMISTRY STUDY GUIDE AND S
6th Edition
ISBN: 9781319385415
Author: PARISE
Publisher: VST
Question
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Chapter 20, Problem 20.46AP
Interpretation Introduction

(a)

Interpretation:

The structure of the cyclic anhydride formed by the given dicarboxylic acid when heated is to be drawn.

Concept introduction:

The term anhydride means “without water”. The anhydride can be formed of carboxylic acids either by using dehydrating agents or heating the carboxylic acid. The formation of anhydrides of dicarboxylic acids resulting in the formation of five or six-membered ring structures is readily formed on heating.

Interpretation Introduction

(b)

Interpretation:

The structure of the cyclic anhydride formed by the meso-α,β-dimethylsuccinicacid dicarboxylic acid when heated is to be drawn.

Concept introduction:

The term anhydride means “without water”. The anhydride can be formed of carboxylic acids either by using dehydrating agents or heating the carboxylic acid. The formation of anhydrides of dicarboxylic acids resulting in the formation of five or six-membered ring structures is readily formed on heating.

Interpretation Introduction

(c)

Interpretation:

The structure of the cyclic anhydride formed by the given dicarboxylic acid when heated is to be drawn.

Concept introduction:

The term anhydride means “without water”. The anhydride can be formed of carboxylic acids either by using dehydrating agents or heating the carboxylic acid. The formation of anhydrides of dicarboxylic acids resulting in the formation of five or six-membered ring structures is readily formed on heating.

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From the given compound, choose the proton that best fits each given description. a CH2 CH 2 Cl b с CH2 F Most shielded: (Choose one) Least shielded: (Choose one) Highest chemical shift: (Choose one) Lowest chemical shift: (Choose one) ×
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