CH310M/318M Organic I |
Dr. Brian
Pagenkopf |
|
Reaction
|
Example Reagents |
Key Intermediate? |
Regio- selective? |
Stereo- specific? |
Markovnikov?
|
Addition of HX |
HCl |
|
yes |
no |
yes |
Hydration |
H2SO4, H2O |
|
yes |
no |
yes |
Halogenation |
Br2, Cl2 |
|
NA |
yes |
NA |
Addition of HOX |
Br2, H2O |
|
yes |
yes |
yes |
Hydroboration and Oxidation |
BH3, then NaOH, H2O2 |
|
yes |
yes |
Anti-Markovnikov |
Oxymercuration and Reduction |
Hg(OAc)2 then
NaBH4 |
|
yes |
no* |
yes |
Dihydroxylation |
OsO4 |
|
NA
|
yes |
NA |
Ozonolysis |
O3 |
|
NA |
NA |
NA |
Hydrogenation |
H2/Pd |
NA |
NA |
no |
NA |
*
The reduction step is not stereoselective and negates any selectivity of the
intermediate mercurium ion.