CARBON-CARBON BOND FORMING REACTIONS
113
I.E.1-35 Akiba, K. et al., H, 38, 1483; Demir, A.S. et al., T, 50, 2099;
Yamamoto, H. et al., JACS, 116, 6153; Joullie, M.M. et al., TA, 5, 519;
Banks, M.R. et al, TL, 35, 489; Kunieda, T. et al., TL, 35, 721.
C0 2 R
R
1
ZnCl,
R
CH 2 C1 2 , rt
81-83%
d.e. = >98%
I.E.1-36 Bloch, R. and Chaptal-Gradoz, N., JOC, 59, 4162; Oppolzer,
W. et al., TL, 35, 3509
•RÌX
' R Q ,
OR
1
VR
VR
z
z
40-88%
(4.3-19:1)
I.E.1-37 Shea, K.J. and Gauthier, Jr., D.R., TL, 35, 7311.
SiPh 2 CI Ph
J Ph
HO
1. TEA, DMAP
2. K 2 C0 3 , MeOH*
C0 2 Me
^
V / C 0 2 M e
7 H
C0 2 Me
62%