R ОН G -OH PBr3, pyr dibromide H + R

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter37: The Aldol Condensation Reaction: Preparation Of Benzalacetophenones (chalcones)
Section: Chapter Questions
Problem 2Q
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Draw the structure of the desired dibromide product H. 

) Propose a reasonable arrow-pushing mechanism for formation of the byproduct I.
Use your mechanism to justify the stereochemistry in molecule I

R
ОН
G
OH
PBr3, pyr
dibromide
н
+
R
Transcribed Image Text:R ОН G OH PBr3, pyr dibromide н + R
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