OXIDATIONS
197
ILI-IO Rosini, G. et al., JOC, 59, 7526.
Me
S
Ο
NBS, aq DME
R·
R R'
i7> R·
84-91 %
ILI-11 Gagnon, R. et al., JSC(Pl), 2537.
A. calcoaceticus
Br
v
\
40 %
N o
> 95 % e.e.
ILI-12 Cossy, J. et al., TL, 35, 6089; Nomura, E. et al., BCJ, 67, 309;
deMeijere, A., Waegell, B. et al., S, 920; Wu, E.S.C, and Kover, A., SC,
24, 273; Mukaiyama, T. et al., CL, 538.
O
If
Cu(ClQ 4 ) 2 -6 H 2 Q
R
( ) n \
O2, MeCN, rt
OH
()£
OH
O
O
45-96 %
ILI-13 Krohn, K. and Khanbabaee, K, AG(E), 33, 99.
Si 2 Me 5
1:H 2 Q
2: 0 2 , hv
OH
6 0 %