USEFUL SYNTHETIC PREPARATIONS
337
VI.A.3-4 Basavaiah, D. et al., SC, 24,467 and T, 50, 10521; Sibi, M.P. and
Lu, J., TL, 35,4915; Mori, K. and Ogita, H. LA, 1065; Achiwa, K. et al.,
SL, 929; Yamada, Y. et al., T, 50, 10849.
OAc
OAc
PLAP
PLAP = pig liver acetone powder
88%
OAc
VI.A.3-5 Rychnovsky, S.D. et al., TL, 35, 6799.
O
o
o
R
°" JO, ΓΎ'ΥΊ
lrDIPDI
° \ ^ °
N < 5 ^
CH 2 CI 2
I 6 5 . 7 3 %
0°C
R
HO
2 : h v
1:LÌDBB
/ \
<
-78°C
[
J
M e
2: acetone ( \
o
-78°C
J
60-65%
R
>97 % e.e.
VI.A.3-6 Asami, M. et al., TA, 5, 793.
ö
9^
1
N
u
0
2: H 3 0
+
r ^ ^ h
'OH
38-82 %
2-81 % e.e.
337
VI.A.3-4 Basavaiah, D. et al., SC, 24,467 and T, 50, 10521; Sibi, M.P. and
Lu, J., TL, 35,4915; Mori, K. and Ogita, H. LA, 1065; Achiwa, K. et al.,
SL, 929; Yamada, Y. et al., T, 50, 10849.
OAc
OAc
PLAP
PLAP = pig liver acetone powder
88%
OAc
VI.A.3-5 Rychnovsky, S.D. et al., TL, 35, 6799.
O
o
o
R
°" JO, ΓΎ'ΥΊ
lrDIPDI
° \ ^ °
N < 5 ^
CH 2 CI 2
I 6 5 . 7 3 %
0°C
R
HO
2 : h v
1:LÌDBB
/ \
<
-78°C
[
J
M e
2: acetone ( \
o
-78°C
J
60-65%
R
>97 % e.e.
VI.A.3-6 Asami, M. et al., TA, 5, 793.
ö
9^
1
N
u
0
2: H 3 0
+
r ^ ^ h
'OH
38-82 %
2-81 % e.e.