238
ORGANIC SYNTHESIS—1995
IV.D-10 Kurth, M.J. et al., JOC, 59, 3389 and TL, 35, 8915.
R
NaHC0 3
CH 2 C1 2
I,
IV.D-11 Martin, V.S. et al., JOC, 59, 4461.
R ^ ^
NaH
DMF
C0 2 CH 3
SPh
C0 2 CH 3
95%
IV.D-12 Honda, T. et al, JCS(Pl), 1043; see also: Taber, D.F. and
Houze, J.B., JOC, 59, 4004; Das, J. and Chandrasekaran, S., T, 50,
11709.
1) 0 3 , MeOH
-78 ° C
/
2) NaBH 4
\
OSiEt, 3)HC1
IV.D-13 Eguchi, S. et al., JOC, 59, 4707.
1) RLi
Et O .
,OEt
THF, -78 °C
tì^-^o
2) Pb(OAc) 4
toluene, rt
EtO^
^ O E t
Ac0
>0^o
R °
28-77%
ORGANIC SYNTHESIS—1995
IV.D-10 Kurth, M.J. et al., JOC, 59, 3389 and TL, 35, 8915.
R
NaHC0 3
CH 2 C1 2
I,
IV.D-11 Martin, V.S. et al., JOC, 59, 4461.
R ^ ^
NaH
DMF
C0 2 CH 3
SPh
C0 2 CH 3
95%
IV.D-12 Honda, T. et al, JCS(Pl), 1043; see also: Taber, D.F. and
Houze, J.B., JOC, 59, 4004; Das, J. and Chandrasekaran, S., T, 50,
11709.
1) 0 3 , MeOH
-78 ° C
/
2) NaBH 4
\
OSiEt, 3)HC1
IV.D-13 Eguchi, S. et al., JOC, 59, 4707.
1) RLi
Et O .
,OEt
THF, -78 °C
tì^-^o
2) Pb(OAc) 4
toluene, rt
EtO^
^ O E t
Ac0
>0^o
R °
28-77%