60
ORGANIC SYNTHESIS—1995
I.A.7.b.2-12 Kuroda, C. and Hirono, Y., TL, 35, 6895; Schinzer, D. and
Ringe, K., SL, 463; Tokoroyama, T. et al., TL, 35, 8247.
TM:
FeCI 3
R
R
59-67%, 5:1
other allylsilane Michael cyclizations reported
I.A.7.b.2-13 Flemming, S. et al., TL, 35, 6075.
Ri \ - R
4
R
2
R
3
MeTi(0'Pr) 4 MgCl
*
Ni(acac) 2 , THF
*~
Me—j
(
R
2
R
3
42-92%
I.A.7.b.2-l4 Degl'Innocenti, A. et al., TL, 35, 2081.
<
P
l) TMSI
SiPh 3
2) RSnBu 3
_^
(T^SiPha
Pd(II)
R ^
64-86%
J