Organic Chemistry, Loose-leaf Version
Organic Chemistry, Loose-leaf Version
8th Edition
ISBN: 9781305865549
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 24.5, Problem 24.6P
Interpretation Introduction

Interpretation:

The sequence of the given reaction has to be given.

Concept Introduction:

Sonogashira coupling starts with a terminal alkyne with CuI and triethylamine to create a Cu- alkyne complex. This undergoes reaction with vinyl or aryl iodides.

This coupling is used to create diaryl alkynes, aryl alkenyl alkynes, or dialkenyl alkynes.

Organic Chemistry, Loose-leaf Version, Chapter 24.5, Problem 24.6P

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22.22 For each compound, indicate which group on the ring is more strongly activating and then draw a structural formula of the major product formed by nitration of the compound. Br CHO (a) CH3 (b) (c) CHO CH3 SO₂H (d) ☑ OCHS NO₂ (e) (f) CO₂H NHCOCH3 NHCOCH, (h) CHS 22.23 The following molecules each contain two aromatic rings. (b) 000-100- H3C (a) (c) Which ring in each undergoes electrophilic aromatic substitution more readily? Draw the major product formed on nitration.
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