CH310M/318M Organic I

Dr. Brian Pagenkopf  


 

Alkene Reactions Summary Table

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.