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HBr, HCl, HI
H
X
(Markovnikov, carbocation rearrangement)
HBr/ROOR
H
Br
(Anti-Markovnikov)
Dilute H2SO4
H
OH
(Markovnikov, carbocation rearrangement)
Hg(OAc)2 , H2O or ROH
NaBH4
H
OH
(Markovnikov, anti stereochemistry)
BH3, THF
H2O2, NaOH
H
OH
(Anti-Markovnikov, syn stereochemistry)
H2/Pt or H2/Wilkinson’s cat
H
H
(syn stereochemistry)
X2/H2O or ROH
X
OH
(anti stereochemistry)
RCO3H = mCPBA
H3O+
OH
OH
(anti stereochemistry)
O3
DMS (or Zn/H2O)
oxidative cleavage
(no stereochemistry, or Markovnikov)
X2 /chlorinated solvent
X
X
(syn stereochemistry)
OsO4/NMO
OH
OH
(syn stereochemistry)