USEFUL SYNTHETIC PREPARATIONS
339
VI.A.4. Aldehydes and Ketones
(seealsoI.A.l,II.A.l,V.E.)
VI.A.4-1 Yamamoto, H. et al., CC, 2103; Kauffmann, T. et al., CB, 127,
659; see also: Robert, A. et al., JCS(Pl), 2045.
, H - < J
-11
M 23
0
LiTMP, THF, rt
Λ
/ \
VI.A.4-2 Raubo, P. and Wicha, J., TL, 35, 3387; Robertson, J. and
Burrows, J.N., TL, 35, 3777.
O χ
Ο - ^ Ν ^ Λ - Ν Ο ,
OTMS
Z_V^
xVv
oPNB
=
>■
X„ .OPNB
T M S
/
TMSOTf
OHCT
"'
80%
VI.A.4-3 Oshima, K., Utimoto, K. et al., TL, 35, 7977.
R
N / \
Me 3 Ga
R^l
/
2:MEMCl,iPr 2 NEt *
R , / ^ \ ^ ^ ^
S l M e 3
TiCl 4
O
R ^ R ·
52-55 %