50
ORGANIC SYNTHESIS—1995
I.A.7.a.4-7 Taniguchi, Y., Takaki, K., Fujiwara, Y. et al., TL, 35, 6897.
J L .
Ar
Ar
Yb
THF
PhCOTMS
* JL PIT CHAr 2
51-83%
LA.7.a.4-8 Hodgson, D.M. and Comina, P.J., SL, 663.
CrBr 3 , LiAlH 4
ft
RCHO + TMSCBr 3
►
A.
THF, 60°C
R
CH 3
61-87%
I.A.7.a.4-9 Kise, N. et al., JOC, 59, 1407.
+e\ Sn cathode
►
R 2
'PrOH, Et 4 NOTs
51
R 60-70%
I.A.7.3.4-10 Dowd, P. et al., TL, 35, 3865 and T, 50, 12579.
-X
^ — ■ * — ^
'''Cl
\
Bu 3 SnH
AIBN
O
X = Br, I
O
45-87%
ORGANIC SYNTHESIS—1995
I.A.7.a.4-7 Taniguchi, Y., Takaki, K., Fujiwara, Y. et al., TL, 35, 6897.
J L .
Ar
Ar
Yb
THF
PhCOTMS
* JL PIT CHAr 2
51-83%
LA.7.a.4-8 Hodgson, D.M. and Comina, P.J., SL, 663.
CrBr 3 , LiAlH 4
ft
RCHO + TMSCBr 3
►
A.
THF, 60°C
R
CH 3
61-87%
I.A.7.a.4-9 Kise, N. et al., JOC, 59, 1407.
+e\ Sn cathode
►
R 2
'PrOH, Et 4 NOTs
51
R 60-70%
I.A.7.3.4-10 Dowd, P. et al., TL, 35, 3865 and T, 50, 12579.
-X
^ — ■ * — ^
'''Cl
\
Bu 3 SnH
AIBN
O
X = Br, I
O
45-87%