146
ORGANIC SYNTHESIS—1995
I.G. Synthesis via Organometallics
I.G.I. Synthesis yia Organoboranes
LG.l-l Urdaneta, N. et al., /OM, 464, C33; Martin, A.R. et al., //, 37,
1761; Cho, C.S. and Uemura, S., JOM, 465, 85; see also: Miyaura, N. et
al., T, 50, 7961.
Bu _
„
H
C0 2 Me
Γ
Ph
Br (HO) 2 B
H
C0 2 Me
^™
Pd(PPh 3 ) 4 , K 2 CQ 3
\ =
B M
+ )
aqTHF,A
% /
74%
B u
I.G.1-2 Soderquist, J.A. and Colberg, J.C., TL, 35, 27; Stewart, S.K.
and Whiting, A., JOM, 482, 293; Kaga, H., Orita, K. et al., SL, 607.
RBr,Pd(PPh 3 ) 4>
R
^ i ^ ^ T M S
aq NaOH, THF *
^ ^
TMS
58-89%
I.G.1-3 Hara, S. et al., SL, 961.
EtO
R i
R 2
X
C F 3
/ -
w ^
R ^
B(OH) 2
}=0
CF 3
67-90%
ORGANIC SYNTHESIS—1995
I.G. Synthesis via Organometallics
I.G.I. Synthesis yia Organoboranes
LG.l-l Urdaneta, N. et al., /OM, 464, C33; Martin, A.R. et al., //, 37,
1761; Cho, C.S. and Uemura, S., JOM, 465, 85; see also: Miyaura, N. et
al., T, 50, 7961.
Bu _
„
H
C0 2 Me
Γ
Ph
Br (HO) 2 B
H
C0 2 Me
^™
Pd(PPh 3 ) 4 , K 2 CQ 3
\ =
B M
+ )
aqTHF,A
% /
74%
B u
I.G.1-2 Soderquist, J.A. and Colberg, J.C., TL, 35, 27; Stewart, S.K.
and Whiting, A., JOM, 482, 293; Kaga, H., Orita, K. et al., SL, 607.
RBr,Pd(PPh 3 ) 4>
R
^ i ^ ^ T M S
aq NaOH, THF *
^ ^
TMS
58-89%
I.G.1-3 Hara, S. et al., SL, 961.
EtO
R i
R 2
X
C F 3
/ -
w ^
R ^
B(OH) 2
}=0
CF 3
67-90%