Chemistry Reference
In-Depth Information
1.
n
-BuLi
2. Cr(CO)
6
3. Me
4
NBr
4. AcCl
5. alcohol
8.85
O
MeO
O
(OC)
5
Cr
Br
MeO
8.84
8.86
OMe
O
n
-Pr
OMe
O
O
OH
DDQ
35°C
O
n
-Pr
(OC)
3
Cr
O
OH
8.88
8.87
OMe
O
n
-Pr
(MeCN)
2
PdCl
2
,
CO, MeOH
1. aq. H
2
SO
4
2. NaBH
4
OH
O
8.89
OMe
O
n
-Pr
OMe
O
n
-Pr
1. BBr
3
2. KOH
O
O
O
CO
2
H
O
CO
2
Me
8.90
trans
:
cis
= 3:1
8.91
O
HO
8.85
Scheme 8.24
OMe
EtO
2
C
OMe
Ph
+
(OC)
5
Cr
t
-Bu
CO
2
Et
Ph
t
-Bu
O
8.92
8
.
1
8
.
9
3
Scheme 8.25
OH
R
5
R
4
O
OMe
O
+
O
+
(OC)
5
Cr
R
4
R
5
R
5
R
4
OMe
O
OMe
8.20
8.94
8.95
8.96
Scheme 8.26
