142
ORGANIC SYNTHESIS—1995
I.F.3-16 Okita, T. and Isobe, M., T, 50, 11143, 11153; Shibasaki, M. et
al., TL, 35, 1227; Samizu, K. and Ogasawara, K., SL, 499; Tietze, L.F.
and Schimpf, R., AG(E), 33, 1089.
Pd(OAc) 2 , PPh 3
TEA, DMF '
80%
I.F.3-17 Friesen, R.W. et al., CJC, 72, 1262; Gundersen, L.L. et al., T,
50, 9743; see also: Martinez, A.G. et al., SL, 1047.
"Xr
SnBu 3
RO
PdCl 2 (PPh 3 )
I.F.3-18 Koch, K. et al., JMC, 37, 3197; Sakamoto, T. et al., JCS(Pl),
235.
CF3SO3
ex
OEt
OTMS
\\
/}—0
Pd(PhCN) 2 Cl 2
> "
ZnCl 2 , P(o-Tol) 3 Et0 2 C
87%