24
ORGANIC SYNTHESIS—1995
LA.7.a.la-5 Wulff, W.D. et al., JOC, 59, 6882.
\x
(CO) 4 C,
M e
W
2) RCHO»
p/
V
M e
3) AcOH, Ce(IV)
PIT
Me
PIT
Me
60-88%, 1.2-49:1
I.A.7.a.la-6 Carlier, P.R. and Lo, K.M., JOC, 59, 4053; Wartski, L. et
al., TL, 35, 3935.
OH
.
M
+ B"
R'CHO
i
C N
R TN
►
► R'^^Y'
M
+ B- = LDA or LHMDS
42-99%
3.3:1 to >50:1 anthsyn
ORGANIC SYNTHESIS—1995
LA.7.a.la-5 Wulff, W.D. et al., JOC, 59, 6882.
\x
(CO) 4 C,
M e
W
2) RCHO»
p/
V
M e
3) AcOH, Ce(IV)
PIT
Me
PIT
Me
60-88%, 1.2-49:1
I.A.7.a.la-6 Carlier, P.R. and Lo, K.M., JOC, 59, 4053; Wartski, L. et
al., TL, 35, 3935.
OH
.
M
+ B"
R'CHO
i
C N
R TN
►
► R'^^Y'
M
+ B- = LDA or LHMDS
42-99%
3.3:1 to >50:1 anthsyn