Michael-Addition – Aldol-Addition (Robinson

OCI_folie340
Michael-Addition – Aldol-Addition (Robinson-Annelierung)
O
O
+ H2C CH C CH3
O
OH
- H2O
Mechanismus
O
CH3
O
O
(-)
C O
OH
H
C
CH
C
CH
+ 2
3
CH2
Methylvinylketon
CH2
(3-Buten-2-on) Michael-Addition
(-)
O
(-)
OH H
CH2
O
O
(-)
OH
HO H H
H2O
- OH-
Aldol-Kondensation
8
∆ -Octalon:
1,9
7
6
5
9
10
O (-)
OH
- HOH
- (-)OH
1
2 O
3
4