154
ORGANIC SYNTHESIS—1995
I.G.3-3 Whitby, R.J. et al., TL, 35, 2431.
1. BuLi
2. Cp 2 ZrMeCl
3. P r — = - P r
I.G.3-4 Taylor, R.J.K. et al., CC, 2623.
73%
AlMe 2
+
R
1. THF, -78°C
)
2.1,
43%
0
+
BF,
CHO
I.G.3-5 Knight, K.S. and Waymouth, R.M., OM, 13, 2575; Takahashi,
T. et al., CC, 2693 and see also: CL, 259.
MeO
BuMgCI, Cp 2 ZrCl 2
82%
transrcis = 19:1
ORGANIC SYNTHESIS—1995
I.G.3-3 Whitby, R.J. et al., TL, 35, 2431.
1. BuLi
2. Cp 2 ZrMeCl
3. P r — = - P r
I.G.3-4 Taylor, R.J.K. et al., CC, 2623.
73%
AlMe 2
+
R
1. THF, -78°C
)
2.1,
43%
0
+
BF,
CHO
I.G.3-5 Knight, K.S. and Waymouth, R.M., OM, 13, 2575; Takahashi,
T. et al., CC, 2693 and see also: CL, 259.
MeO
BuMgCI, Cp 2 ZrCl 2
82%
transrcis = 19:1