USEFUL SYNTHETIC PREPARATIONS
369
VLA.11-7 Katritzky, A.R. et al., OPP, 26,439; Wu, Z. and Moore, J.S.,
TL, 35, 5539; Collazo, L.R. et al., TL, 35, 7911; Tour, J.M. et al, AG(E),
33, 1360; Clark, J.H., JCR(S), 478.
ArOS0 2 CF 3 B"4NBr,Ph-Me > A ^ A r-Br
6-72 %
VI.A.11-8 Balenkova, E.S. et al., T, 50, 11023.
\
(CFaCO^SMe^BFa ^
R ^ ^ ^
C F 3
R /
*
R·
O
19-95 %
VI.A.11-9 Walinsky, S.W. et al., SL, 162.
^ O A c
A c O - ^ A
°v
ZnF 2 ,MeCN,A ^ A c O - ^ ^
Q
ACU B r
\ _ N
N = /
™
6 1
%
VI.A.11-10 Knorr, R. et al., JPR, 336, 260.
M
< ^ * * ·
HCCI, '
T
"
r
M e
42%