240
ORGANIC SYNTHESIS—1995
IV.D-18 Prasad, K. et al, TA, 5, 303.
HOnocardia corallina
r\
o
B-276
V\
24 h
W/
50%
IV.D-19 Bonete, P. and Najere, C , JOC, 59, 3202; see also: deGroot,
A. et al., TL, 35, 2977.
R:
1) 2 eq BuLi, -78 °C
*
X N S - = ^ "
2) R
3 R
4 CO
3) TFAA
4)DBU
25-90%
IV.D-20 Kaschabek, S.R. and Reineke, W., JOC, 59, 4001.
HOOAc/[Fe
3+
]
N ^ V
OH
X ^ ^ O H
X = H, F, CI, Br
OOAc/[Fe
J+ ]
~
0
C0 2 H
HOAC
η""
N s
r
= /
rt,48h
*
k.
31-34%
IV.D-21 Doyle, M.P., Müller, P. et al., JACS, 116, 4507.
Me/. CUT
Rh 2 L 4
Me/,,
CH 2 C1 2
\ ^ O ^ * 0
cisrtrans, 63:37 to 10:90
O
ORGANIC SYNTHESIS—1995
IV.D-18 Prasad, K. et al, TA, 5, 303.
HOnocardia corallina
r\
o
B-276
V\
24 h
W/
50%
IV.D-19 Bonete, P. and Najere, C , JOC, 59, 3202; see also: deGroot,
A. et al., TL, 35, 2977.
R:
1) 2 eq BuLi, -78 °C
*
X N S - = ^ "
2) R
3 R
4 CO
3) TFAA
4)DBU
25-90%
IV.D-20 Kaschabek, S.R. and Reineke, W., JOC, 59, 4001.
HOOAc/[Fe
3+
]
N ^ V
OH
X ^ ^ O H
X = H, F, CI, Br
OOAc/[Fe
J+ ]
~
0
C0 2 H
HOAC
η""
N s
r
= /
rt,48h
*
k.
31-34%
IV.D-21 Doyle, M.P., Müller, P. et al., JACS, 116, 4507.
Me/. CUT
Rh 2 L 4
Me/,,
CH 2 C1 2
\ ^ O ^ * 0
cisrtrans, 63:37 to 10:90
O