150
ORGANIC SYNTHESIS—1995
I.G.2-8 Grigg, R. et al., TL, 35, 7661, 3197.
Me
E t ° 2 C v ^
E t
Me
CO, Pd(0)
SnBu,
I.G.2-9 Alper, H. et al., S, 1149.
O
,
[(ΡΡΗ 3 )ΡαΡΙι(μ-ΟΗ)] 2
*.
R — = + R
1
I + CO
__
_ - ^ -
>
= = — R
TEA, 90°C, 17atm
R
1
43-94%
LG.2-10 Freskos, J.N. et al., TL, 35, 835; Mandai, T. et al., TL, 35,
5697, 5701.
R0 2 C
CO, Pd(OAc) 2 , PPh 3
Q T f
TEA, HC0 2 H, DMF
·► R0 2 C
C0 2 H
85-90%
LG.2-11 Fernandez, E. and Castillon, S., TL, 35, 2361; Takaya, H. et
al., TL, 35, 2023 and CC, 395; Yamamoto, K., CL, 189; Crudden, CM.
and Alper, H., JOC, 59, 3091.
CHO
O
CO, H 2 , Rh
O
(MeO) 2 CMe 2 , PTS
O
99%
ORGANIC SYNTHESIS—1995
I.G.2-8 Grigg, R. et al., TL, 35, 7661, 3197.
Me
E t ° 2 C v ^
E t
Me
CO, Pd(0)
SnBu,
I.G.2-9 Alper, H. et al., S, 1149.
O
,
[(ΡΡΗ 3 )ΡαΡΙι(μ-ΟΗ)] 2
*.
R — = + R
1
I + CO
__
_ - ^ -
>
= = — R
TEA, 90°C, 17atm
R
1
43-94%
LG.2-10 Freskos, J.N. et al., TL, 35, 835; Mandai, T. et al., TL, 35,
5697, 5701.
R0 2 C
CO, Pd(OAc) 2 , PPh 3
Q T f
TEA, HC0 2 H, DMF
·► R0 2 C
C0 2 H
85-90%
LG.2-11 Fernandez, E. and Castillon, S., TL, 35, 2361; Takaya, H. et
al., TL, 35, 2023 and CC, 395; Yamamoto, K., CL, 189; Crudden, CM.
and Alper, H., JOC, 59, 3091.
CHO
O
CO, H 2 , Rh
O
(MeO) 2 CMe 2 , PTS
O
99%