Chemistry Reference
In-Depth Information
O
OMe
•
OMe
(OC)
5
Cr
H
Me
Me
OMe
Me
8.25
8.97
8.98
Scheme 8.27
O
OEt
1.
Δ
, CH
3
CN
2. [FeCl
2
(DMF)
3
][FeCl
4
]
O
O
+
(OC)
5
Cr
OH
8.100
8.99
O
Et
•
EtO
OH
(OC)
5
Cr
8.101
Scheme 8.28
O
1.
2. TBSCl, base
3. K
2
CO
3
, MeOH
Li
SiMe
3
OEt
1.
TESO
HO
HO
•
OEt
(OC)
5
Cr
2. H
3
O
+
R
CHO
R
OTBS
TBSO
8.102
8.103
8.104
O
O
O
O
1. HS(CH
2
)
2
SH, BF
3
2. Ni(R), H
2
3.
i
-BuCOCl, py
O
TBSO
i
-BuCO
2
R
R
8.105
8.106
blastmycinone R = Et
8.107
antimycinone R =
n
-Bu
Scheme 8.29
O
O
R
R
L
R
R
L
R
+
R
L
R
S
(OC)
5
Cr
OMe
R
S
OMe
R
S
OMe
8.108
8.109
8.110
Scheme 8.30
OMe
O
(OC)
5
Cr
+
8.25
O
8.112
8.111
Scheme 8.31
