106
ORGANIC SYNTHESIS—1995
I.E.1-14 Marko, I.E. and Evans, G.R., SL, 431 and TL, 35, 2767,
2771; Marko, I.E., Declercq, J.-P. et al., BSB, 103, 295; Posner, G.H. and
Ishihara, Y., TL, 35, 7545; Posner, G.H. and Johnson, N., JOC, 59, 7855;
Matsushita, Y. et al., SC, 24, 3307.
C0 2 Me
Me0 2 C
Eu(hfc) 3
CH 2 C1 2 , 20°C
56-98%
I.E.1-15 Woo, S.H., TL, 35, 3975; Tyrala, A. and Makosza, M., S,
264.
CHO
SnBu 3 r
C0 2 Me
2
MgBr 2
0°C, CH 2 C1 2
C0 2 Me
58%
(>20:1)
I.E.1-16 Malacria, M. et al., TL, 35, 417; Fukumoto, K. et al., JCS(Pl),
943; Jones, D.W. et al., TL, 35, 9755.
TMS
^ ^
decane, reflux
TMS
TMS
- H