12
ORGANIC SYNTHESIS—1995
I.A.3-9 D'Annibale, A., Trogolo, C. et al., TL, 35, 8049; Warsinsky, R.
and Steckhan, E., JCS(Pl), 2027.
'°^χτ„
►
R
,.CN
N C C H ^ "NH 2
M n i O A c ^
^
^
Cu(OAc) 2
CONH 2
11-30%
I.A.4. Alkvlations of N-. P-. S-. Se and Similar Stabilized
Carbanions
I.A.4-1 Ricci, A., Seconi, G. et al., SL, 955.
E
^ ^ ^ ^ M S
m .c
^
H
TMS
R^ ^ N k JTMS DBase
s^
Y
v ^
_ u w a s e ^
25-70%;E = aIkyl
à
TMS
2)E
+
\ ^
E
TM;
TMS
TMS
E = silyl, acyl
I.A.4-2 Katritzky, A.R. et al., LA, 1, 7.
\
LDA, -78°C
ΐ ί ^ Τ ^
jf
R
2
-X *
l
L^ï/
CI^R
1
/-—R
2
R
1
15-72%