52
ORGANIC SYNTHESIS—1995
I.A.7.a.4-14 Yamamoto, Y. et al., CC, 1665.
1)
(MeCO) 2 0
R
1 OCH(CN) 2 + R
2 CHO
►
*~
pyr
R
1 = CH 2 OMe
1) = Pd 2 (dba) 3 »CHCl 3 , dppe, MeCN, 24h
I.A.7.b. Conjugate Additions
I . A . 7 . b . l . Enolate-Type Carbanions
I.A.7.b.l-l Guevel, A.-C. and Hart, DJ., SL, 169.
O
Et0 2 C
NHCHO pyrrolidine
AcOH, THF
0 2 Et
"NHCHO
86%
LA.7.b.l-2 Ong, C.W. et al., JOC, 59, 7915.
63-65%
ORGANIC SYNTHESIS—1995
I.A.7.a.4-14 Yamamoto, Y. et al., CC, 1665.
1)
(MeCO) 2 0
R
1 OCH(CN) 2 + R
2 CHO
►
*~
pyr
R
1 = CH 2 OMe
1) = Pd 2 (dba) 3 »CHCl 3 , dppe, MeCN, 24h
I.A.7.b. Conjugate Additions
I . A . 7 . b . l . Enolate-Type Carbanions
I.A.7.b.l-l Guevel, A.-C. and Hart, DJ., SL, 169.
O
Et0 2 C
NHCHO pyrrolidine
AcOH, THF
0 2 Et
"NHCHO
86%
LA.7.b.l-2 Ong, C.W. et al., JOC, 59, 7915.
63-65%