Chemistry Reference
In-Depth Information
1. Ti reagent
8.343
2. Ac
2
O, py
OH
CHO
HG II
OH
PMPO
PMPO
CHO
8.341
8.342
OAc
O
Ac
OAc
O
Ac
CHO
HG II
PMPO
PMPO
CHO
8
4
8
.
1. Ti reagent X
2. Ac
2
O, py
CO
2
Et
HG II
OAc
O
Ac
O
Ac
PMPO
8.346
OAc
O
Ac
O
Ac
Ph
Ph
Cp
O
PMPO
CO
2
Et
Ti
8.347
O
O
O
Ph
Ph
titanium reagent
8.343
Scheme 8.95
O
O
H
H
H
H
O
O
SnPh
3
H
H
AIBN
N
O
N
O
PhSe
O
O
H
H
H
H
8.349
8.348
O
H
Grubbs II,
i
-Pr
2
NEt
NHCPh
3
H
O
H
N
O
O
H
H
8.350
O
H
H
1.
HG-II, TsOH
2. H
2
, Pd/C
O
H
N
O
O
H
H
8.351
Scheme 8.96
