SYNTHESIS OF HETEROCYCLES
IV.D-22 Holton, R.A. et al., JACS, 116, 1597
OTES
241
TBSOi
OTES
TBSOio
o
L T M P
>
-25 to -10°
IV.D-23 Imamoto, T. et al., TL, 35, 7805.
R^C—R
3
R Ì , / \ ^ C 0 2 M e
R>Cr
c021
K
15-76%
IV.D-24 Fukumoto, K. et al., JOC, 59, 5317; see also: Ryu, I., Sonoda,
N. et al., SL, 643.
(TMS) 3 SiH
R0 2 C
AIBN
CO,R
91%
IV.D-25 Larock, R.C. and Yang, H., SL, 748; Kraus, G.A. and
Ridgeway, J., JOC, 59, 4735; Hanaoka, M. et al., CPB, 42, 1700; see
also: Catellani, M. et al., TL, 35, 5919 and 5923.
,C0 2 H
CC-t
Pd(OAc) 2
Bu 4 NCl
C=CHR
Z
Li 2 C0 3
X
DMF
34-82%
R
1
IV.D-22 Holton, R.A. et al., JACS, 116, 1597
OTES
241
TBSOi
OTES
TBSOio
o
L T M P
>
-25 to -10°
IV.D-23 Imamoto, T. et al., TL, 35, 7805.
R^C—R
3
R Ì , / \ ^ C 0 2 M e
R>Cr
c021
K
15-76%
IV.D-24 Fukumoto, K. et al., JOC, 59, 5317; see also: Ryu, I., Sonoda,
N. et al., SL, 643.
(TMS) 3 SiH
R0 2 C
AIBN
CO,R
91%
IV.D-25 Larock, R.C. and Yang, H., SL, 748; Kraus, G.A. and
Ridgeway, J., JOC, 59, 4735; Hanaoka, M. et al., CPB, 42, 1700; see
also: Catellani, M. et al., TL, 35, 5919 and 5923.
,C0 2 H
CC-t
Pd(OAc) 2
Bu 4 NCl
C=CHR
Z
Li 2 C0 3
X
DMF
34-82%
R
1