Oxymercuration- Demercuration Reaction OAc mercurinium ion Hg(OAc) Hg* Oxymercuration-Demercuration c-c • Hg(OAc) H,0 HỎ HgOAc но H (Markovnikov orientation) *Hg(OAc) Hg(OAc) Hg(OAc) • Markovnikov addition of water to the double bond C-C- -C-C- H;O* H,ö: :OH • Milder conditions than direct hydration Hö: organomercurial alcohol • No rearrangements or polymerization O 2017 Pearson Education, Inc.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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If oxymercuration reactions are anti additions, how come one of these examples looks like anti, and the other one looks like syn? Would someone be able to draw out both mechanisms?

 

Oxymercuration-
Demercuration Reaction
OAc
mercurinium ion
*Hg(OAc)
Hg
Oxymercuration-Demercuration
c=c + Hg(OAc);
NaBH4 ,
HỎ HgOAc
НО
H
(Markovnikov orientation)
Hg(OAc)
Hg(OAc)
ig(OAc)
Markovnikov addition of water to the double bond
H3O*
Hö:
H-0:
:OH
Milder conditions than direct hydration
H,ö H
organomercurial alcohol
• No rearrangements or polymerization
© 2017 Pearson Education, Inc.
Transcribed Image Text:Oxymercuration- Demercuration Reaction OAc mercurinium ion *Hg(OAc) Hg Oxymercuration-Demercuration c=c + Hg(OAc); NaBH4 , HỎ HgOAc НО H (Markovnikov orientation) Hg(OAc) Hg(OAc) ig(OAc) Markovnikov addition of water to the double bond H3O* Hö: H-0: :OH Milder conditions than direct hydration H,ö H organomercurial alcohol • No rearrangements or polymerization © 2017 Pearson Education, Inc.
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