288
ORGANIC SYNTHESIS—1995
IV.K.lc-3 Matsunaga, N., Aoyama, T. and Shioiri, T., H, 37, 387.
'
2
CH(OMe)2
NH 2 f
1) TMS-CI, Nal *R
pyridine/MeCN
ZnCl 2
3) NaCN
IV.K.2.
Heterocvcles with 2 O's or 2 S's
IV.K.2-1 Newcomb, M. and Dhanabalasingam, B., TL, 35, 5193.
X
C 6 H
6"13
O^TTOC
'BuSH
A
57%, syn:anti = 4:1
IV.K.2-2 Kollenz, G. et al., M, 124, 1133 (1993).
+ R
1 R
2 C=0
l Bu
O"
68-95%
IV.K.2-3 Nair, V. and Kumar, S., CC, 1341.
)Ac
tB
*yS*y>°
Ο^ %Λ ΟΑο
'Bu
OAc
90%
OAc
ORGANIC SYNTHESIS—1995
IV.K.lc-3 Matsunaga, N., Aoyama, T. and Shioiri, T., H, 37, 387.
'
2
CH(OMe)2
NH 2 f
1) TMS-CI, Nal *R
pyridine/MeCN
ZnCl 2
3) NaCN
IV.K.2.
Heterocvcles with 2 O's or 2 S's
IV.K.2-1 Newcomb, M. and Dhanabalasingam, B., TL, 35, 5193.
X
C 6 H
6"13
O^TTOC
'BuSH
A
57%, syn:anti = 4:1
IV.K.2-2 Kollenz, G. et al., M, 124, 1133 (1993).
+ R
1 R
2 C=0
l Bu
O"
68-95%
IV.K.2-3 Nair, V. and Kumar, S., CC, 1341.
)Ac
tB
*yS*y>°
Ο^ %Λ ΟΑο
'Bu
OAc
90%
OAc