Essential Organic Chemistry (3rd Edition)
Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
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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2. Name the following hydrocarbons. (9 marks) a) HHHHHHHH H-C-C- H-O-S b) HCEC-CH3 H H H H H d) c) H C=C- H H H e) CH3 CH3 CH2CH=CH-CH=CHCH3 HHHH H-C-C-C-C-H H HH H f) large CH2CH3 pola H3C section lovels tower, able ocart firs g) Tower H3C-CH2 then in H3C-CH-CH-CH3 enblbano bne noitsidab Copyright © 2008. Durham Continuing Education CH3
Name the molecules & Identify any chiral center CH3CH2CH2CHCH₂CH₂CH₂CH₂ OH CH₂CHCH2CH3 Br CH3 CH3CHCH2CHCH2CH3 CH3
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electrons-pushing arrows for the following reaction or mechanistic step(s).
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