Essential Organic Chemistry, Global Edition
Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 16, Problem 36P
Interpretation Introduction

 Interpretation:

 The mechanism for the formation of βlactose from αgalactose and βDglucose in dilute HCl has to be drawn.

 Concept Introduction:

 The general steps followed by the acid catalyzed reaction are as follows:

  • First step is the protonation of alcohol group placed at first position of βDglucose.
  • The second step is the removal of OH2 group by the attack of lone pair of oxygen of alcohol group placed at fourth position of αgalactose.
  • The third step is the deprotonation.

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