94
ORGANIC SYNTHESIS—1995
I.C-7 Smith, E.H. and Whittall, J., OM, 13, 5169; see also: Murakami,
M., Hayashi, M., and Ito, Y., SL, 179.
n
, .
NiCI 2 (PPh 3 ) 2
R — = — L i
i
R
-R
31-73%
I.C-8 Wu, M.J. et al., TL, 35, 5003; see also: Inoue, Y. et al., CC,
2091; Tucker, T.J. et al., JMC, 37, 2437.
BnN
O + MR
R
1
BnN
M = BF 2 , Ti(0'Pr) 3
I.C-9 Corey, E.J. and Cimprich, K.A. JACS, 116, 3151.
1. Me 2 BBr
PhMe, -78°C
/
2
· W
H
OH
"R
1
HN. . 0
B
R
3. R
! CHO
28-96%
e.e. = 85-96%
I.C-10 Cummins, C.H., TL, 35, 857; Sakamoto, T. et al., CPB, 42,
2032.
Or'-/
SnBu 3 Pd(PPh 3 ) 4
OR
B u 3
S n
LiCl, BHT
dioxane
OR
28-85%
ORGANIC SYNTHESIS—1995
I.C-7 Smith, E.H. and Whittall, J., OM, 13, 5169; see also: Murakami,
M., Hayashi, M., and Ito, Y., SL, 179.
n
, .
NiCI 2 (PPh 3 ) 2
R — = — L i
i
R
-R
31-73%
I.C-8 Wu, M.J. et al., TL, 35, 5003; see also: Inoue, Y. et al., CC,
2091; Tucker, T.J. et al., JMC, 37, 2437.
BnN
O + MR
R
1
BnN
M = BF 2 , Ti(0'Pr) 3
I.C-9 Corey, E.J. and Cimprich, K.A. JACS, 116, 3151.
1. Me 2 BBr
PhMe, -78°C
/
2
· W
H
OH
"R
1
HN. . 0
B
R
3. R
! CHO
28-96%
e.e. = 85-96%
I.C-10 Cummins, C.H., TL, 35, 857; Sakamoto, T. et al., CPB, 42,
2032.
Or'-/
SnBu 3 Pd(PPh 3 ) 4
OR
B u 3
S n
LiCl, BHT
dioxane
OR
28-85%