11.21A ALKENES IN SYNTHESIS
- Hg(OAc) 2 , THF-H 2 O HyMarkovnikovdration
BH 3 H^2 O^2
OH−
H Syn addition
of hydrogen
Hydration
Syn hydrogen
H 4 , O
H B H OH
H H
HO H
O
OH
OH
Anti
Hydroxylation
HO
Anti
Hydroxylation
OH
HO
THF:
CH 3 CO 2
- NaB H−
Me H
Me H Me H
Me H
Me H
( means indefinite stereochemistry)
(Section 11.6
and 11.7)
(Section 11.6
and 11.7)
(Section 11.5)
Me H
RCO 2
Me
H
(Section 11.19)
H
Me
(Section 11.18
and 11.19)
H+/ROH
Me
RO H
OR
H
Me
RO−
H 3 O+
HO
OH
OH−
Figure 11.7 Summary of importrant reactions of alcohols and ethers starting with
ethanol.