184
ORGANIC SYNTHESIS—1995
U.E. Sulfur Oxidations
II.E-1 Pitchen, P. et al., TU 35, 485; Thomas, S.E. et al., TA, 5, 545;
Bulman Page, P.C. et al., TU 35, 9629; see also: Glass, R.S. et al., TU 35,
5809; Machiguchi, T. et al., JAGS, 116, 407; Leriverend, C. and Metzner,
P., TU 35, 5229; Colonna, S. et al., TU 35, 9103.
^
.N
Me
" V ^ N
Me
v\
/
PhMchCOOH
π ν\
/
>v o /
PhMezCOOH
, ^ r ç
o
y, ^. N
Ti(0»Pr) 4 , L-DET
Ph
\
CH 2 CI 2 , H 2 0,-20°C
"»'
\
PMB
PMB
71 %, 98 % e.e.
ILE-2 Katsuki, T. et al., T, 50,9609 and TL, 35, 1887; Yang, R. and Dai,
L., SC, 24, 2229; Furukawa, N. et al., CL, 27; Jennings, W.B. et al., CC,
2569; Grandi, R. et al., SC, 24, 2393.
O
t
^ S v
PhlO, MeCN
£*
Ar
Me
(Salen)Mn(III) complex
A r ^
s M e
21-76 %
40-90 % e.e.
II.E-3 Su, W., TL, 35,4955; Webb, K.S., TL, 35, 3457; see also: Ishii, Y.
étal., CL, 1; Adam, W. et al., T, 50, 13113 and 13121;.
O
O
/ S ^
NaI0 4 , RuClyHjO
i s '
R
R'
"
»
R^ ^R·
84-100 %