244
ORGANIC SYNTHESIS—1995
IV.E
Furans and Thiophenes
IV.E-1 Hiemstra, H., Speckamp, W.N. et al., JOC, 59, 1993.
Cu(bpy)Cl
QT
C0 2 Me
O.C * 0 / ^ - C 0 2 M e
75-95%
IV.E-2 Delgado, A. et al, TL, 35, 4011.
, ο ^ Γ
Ni(co) t
P
N ^
jf^S
ROH
Ph
66-76%
IV.E-3 Rudler, H. et al., OM, 13, 4708.
NMePh
( O C ) 5 C r = ^
H
1. Phr
-Ph
PhMe,heat
P h M e N ^ O
►
l i
2. pyridine, reflux
P h 70%
P h
IV.E-4 Trost, B.M. et al., TL, 35, 4059; see also: JOC, 59, 1078 and
JACS, 116, 10819; Marson, CM. et al., CC, 1879.
,Ο.
PhaP'R'u-Cl \
n
mm
Ph
*
P
,
Λ
ΦθΗ^ΟΗ Ν Η 4 ρ ρ / Υ ^ °- -
OH
66%
ORGANIC SYNTHESIS—1995
IV.E
Furans and Thiophenes
IV.E-1 Hiemstra, H., Speckamp, W.N. et al., JOC, 59, 1993.
Cu(bpy)Cl
QT
C0 2 Me
O.C * 0 / ^ - C 0 2 M e
75-95%
IV.E-2 Delgado, A. et al, TL, 35, 4011.
, ο ^ Γ
Ni(co) t
P
N ^
jf^S
ROH
Ph
66-76%
IV.E-3 Rudler, H. et al., OM, 13, 4708.
NMePh
( O C ) 5 C r = ^
H
1. Phr
-Ph
PhMe,heat
P h M e N ^ O
►
l i
2. pyridine, reflux
P h 70%
P h
IV.E-4 Trost, B.M. et al., TL, 35, 4059; see also: JOC, 59, 1078 and
JACS, 116, 10819; Marson, CM. et al., CC, 1879.
,Ο.
PhaP'R'u-Cl \
n
mm
Ph
*
P
,
Λ
ΦθΗ^ΟΗ Ν Η 4 ρ ρ / Υ ^ °- -
OH
66%