160
ORGANIC SYNTHESIS—1995
I.H.1-13 McVinish, L.M. and Rizzacasa, M.A., TL, 35, 923; Kazmaier,
U., AG(E), 33,998.
V II
V
0
0
O
O
\
f " \
1. LDA, TMSCI, HMPA
\
f
I
\
I 2. THP, -KHTC^rt
*~
/
\ ,C0 2 M«
o
71%
(5:1)
I.H.1-14 Paquette, L.A. et al., JACS, 116, 1776, 12189.
46%
I.H.1-15 lida, K. and Hirama, M., JACS, 116, 10310.
y
o
o.
o o
OTBS
I O T B S
TBSO CHO
LHMDS
TBSO
OTBS Λ·.,
?
^Cr 'OTBS
HO
65-72%
ORGANIC SYNTHESIS—1995
I.H.1-13 McVinish, L.M. and Rizzacasa, M.A., TL, 35, 923; Kazmaier,
U., AG(E), 33,998.
V II
V
0
0
O
O
\
f " \
1. LDA, TMSCI, HMPA
\
f
I
\
I 2. THP, -KHTC^rt
*~
/
\ ,C0 2 M«
o
71%
(5:1)
I.H.1-14 Paquette, L.A. et al., JACS, 116, 1776, 12189.
46%
I.H.1-15 lida, K. and Hirama, M., JACS, 116, 10310.
y
o
o.
o o
OTBS
I O T B S
TBSO CHO
LHMDS
TBSO
OTBS Λ·.,
?
^Cr 'OTBS
HO
65-72%