174
ORGANIC SYNTHESIS—1995
Π.Α.1-4 Beck, C. and Seifert, K., TL, 35, 7221; Barton, D.H.R. et al.,
ιΜ/., 35, 4681.
HO
OH
tBuOOH, NEttOH
Os0 4
H O i
tBuOH, H 2 0
7 0 %
II.A.1-5 Suzuki, H. et al., TL, 35, 8197.
OH
[(p-MeC 6 H 4 )3BiO]n
R l ^
R2
O
y
R l ^ ^ R 2
80-100 %
II.A.1-6 Banwell, M.G. et al., JOC, 59, 6338; Frigerio, M. and
Santagostine, M, TL, 35, 8019.
OH
\^_
O
R k . ^ k -
AcN—(
N-O*
Rl v
OH
R2
\ _ y
R2
p-TsOH, CH 2 C1 2
■*■
O
23-95 %
II.A.1-7 Banks, R.E., Lawrence, N.J., and Popplewell, A.L., SL, 831.
J
OH C1CH 2 ^N
N - F
N / (BF 4 ) 2
MeCN, Δ
XHO
Ar
37-62 %
ORGANIC SYNTHESIS—1995
Π.Α.1-4 Beck, C. and Seifert, K., TL, 35, 7221; Barton, D.H.R. et al.,
ιΜ/., 35, 4681.
HO
OH
tBuOOH, NEttOH
Os0 4
H O i
tBuOH, H 2 0
7 0 %
II.A.1-5 Suzuki, H. et al., TL, 35, 8197.
OH
[(p-MeC 6 H 4 )3BiO]n
R l ^
R2
O
y
R l ^ ^ R 2
80-100 %
II.A.1-6 Banwell, M.G. et al., JOC, 59, 6338; Frigerio, M. and
Santagostine, M, TL, 35, 8019.
OH
\^_
O
R k . ^ k -
AcN—(
N-O*
Rl v
OH
R2
\ _ y
R2
p-TsOH, CH 2 C1 2
■*■
O
23-95 %
II.A.1-7 Banks, R.E., Lawrence, N.J., and Popplewell, A.L., SL, 831.
J
OH C1CH 2 ^N
N - F
N / (BF 4 ) 2
MeCN, Δ
XHO
Ar
37-62 %