74
ORGANIC SYNTHESIS—1995
I.B.2.a-3 Luzzio, F.A. and Menés, M.E., JOC, 59, 7267; see also:
Kim, K.S. et al., SC, 24, 1157.
ROp i
RO
, ( \ |
I 2 , PPh 3 , imidazole
Ph-Me/MeCN, 90°C
HO OH
0-87%
I.B.2.a-4 Suarez, E et al., TL, 35, 5035.
«OH
<
%
Ph 3 BiBr 2 ,I 2
87%
I.B.2.a-5 Kataoka, T. et al., CC, 2107; see also: Chavez, F. et al., SC,
24, 2325.
PhOH
PPSE *► P h -
v R
44-82%
Z:E = 5-99:1
LB.2.a-6 Morken, P.A. and Burton, DJ., S, 969; Cunico, R.F., TL,
35, 2291.
TfO
F 3 C
F 3 C
^ — i
OTf
CF 3
CF 3
LiX
DMF, rt
X
CF 3
26-80%
ORGANIC SYNTHESIS—1995
I.B.2.a-3 Luzzio, F.A. and Menés, M.E., JOC, 59, 7267; see also:
Kim, K.S. et al., SC, 24, 1157.
ROp i
RO
, ( \ |
I 2 , PPh 3 , imidazole
Ph-Me/MeCN, 90°C
HO OH
0-87%
I.B.2.a-4 Suarez, E et al., TL, 35, 5035.
«OH
<
%
Ph 3 BiBr 2 ,I 2
87%
I.B.2.a-5 Kataoka, T. et al., CC, 2107; see also: Chavez, F. et al., SC,
24, 2325.
PhOH
PPSE *► P h -
v R
44-82%
Z:E = 5-99:1
LB.2.a-6 Morken, P.A. and Burton, DJ., S, 969; Cunico, R.F., TL,
35, 2291.
TfO
F 3 C
F 3 C
^ — i
OTf
CF 3
CF 3
LiX
DMF, rt
X
CF 3
26-80%