388
ORGANIC SYNTHESIS—1995
VI.D-11 Pietrusiewicz, K.M. et al., TL, 35, 6343 and OM, 13, 5166; see
also: Villemin, D. et al, 7X, 35, 3537.
A Novel Displacement Route to P-Chiral Phosphine Oxides
of High Enantiomeric Purity.
VI.E. Silicon Compounds
VI.E-1 Raubo, P. and Wicha, J., JOC, 59, 4355.
H
R'
Me 3 Si
"
~~ ™
Λ
~~
t
l:DMSO,TfOR
OR
O 48-94%
~ P f *' 2;iPr 2 NEt,CH 2 C 2 ^
^ γ \
VI.E-2 Hevesi, L. et al., TL, 35, 6729; Mayon, P. and Chapleur, Y., TL, 35,
3703.
Rl
SeMe
Rl
,—SiMe 3
Me 3 SiCH 2 MgCl
R2
R3
DME,A,NiorPd
R2 -
^
65-83 %
VLE-3 Makioka, Y. et al., CL, 645; Quayle, P. et al., TL, 35, 3797; see
also: Wright, S.W., TL, 35, 1841.
OTMS
SiMe 3
/
Ln(OTf) 3 , CH 2 C1 2
R
OR'
90-99%
R
O
OR'