216
ORGANIC SYNTHESIS—1995
m.F.1-12 Chowdhury, P.K. and Borah, P., JCR(S), 230.
O
J^
Zn,AICI 3 6H 2 0 > aqTHF >
R ^ R ,
R
R'
20-90 %
III.F.2. C-Hal -> C-H
III.F.2-1 Maitra, U. and Sarma, K.D., TL, 35, 7861.
^ X 0 2 H
X = Br, I
NaHCQ 3 , AIBN^
Bu 3 SnH, H 2 0, Δ
. ^ X 0 2 H
84-99 %
III.F.2-2 Yoon, N.M. et al., JOC, 59, 4687.
R-X
BER, Ni(OAc) 2 , MeOH
rt, 1-3 h
BER = borohydride exchange resin
R-H
7-100 %
III.F.2-3 Weiguny, J. and Schäfer, H.J., LA, 225 and 235.
B r .
X 0 2 R
AcO
xX
Hg, LiOAc
. C 0 2 R
\>»V /'«/<
o"
HOAc, MeOH
0Et
e A , ^
e
* "OT "OEt
91-93 %
ORGANIC SYNTHESIS—1995
m.F.1-12 Chowdhury, P.K. and Borah, P., JCR(S), 230.
O
J^
Zn,AICI 3 6H 2 0 > aqTHF >
R ^ R ,
R
R'
20-90 %
III.F.2. C-Hal -> C-H
III.F.2-1 Maitra, U. and Sarma, K.D., TL, 35, 7861.
^ X 0 2 H
X = Br, I
NaHCQ 3 , AIBN^
Bu 3 SnH, H 2 0, Δ
. ^ X 0 2 H
84-99 %
III.F.2-2 Yoon, N.M. et al., JOC, 59, 4687.
R-X
BER, Ni(OAc) 2 , MeOH
rt, 1-3 h
BER = borohydride exchange resin
R-H
7-100 %
III.F.2-3 Weiguny, J. and Schäfer, H.J., LA, 225 and 235.
B r .
X 0 2 R
AcO
xX
Hg, LiOAc
. C 0 2 R
\>»V /'«/<
o"
HOAc, MeOH
0Et
e A , ^
e
* "OT "OEt
91-93 %