220
ORGANIC SYNTHESIS—1995
III.G.1-2 Meth-Cohn, O., Horak, R.M., and Fouche, G., JCS(PI), 1517.
R
O
OH
OH
Baker's Yeast
R·
► R
R"
O
OH
6-74 %
III.G.1-3 Chong, J.M. and Johannsen, J., TL, 35, 7197.
R
, X
R
DIBAL-H
CH 2 C1 2 , -40°C
R'^
Y
OTs
OH
76-98 %
m.G.1-4 Pepito, A.S. and Dittmer, D.C., JOC, 59, 4311; Takano, S. et al.
H, 39, 59.
k xOH
„
Te, NaBH 4 , D M F
.\vO
91 %
ORGANIC SYNTHESIS—1995
III.G.1-2 Meth-Cohn, O., Horak, R.M., and Fouche, G., JCS(PI), 1517.
R
O
OH
OH
Baker's Yeast
R·
► R
R"
O
OH
6-74 %
III.G.1-3 Chong, J.M. and Johannsen, J., TL, 35, 7197.
R
, X
R
DIBAL-H
CH 2 C1 2 , -40°C
R'^
Y
OTs
OH
76-98 %
m.G.1-4 Pepito, A.S. and Dittmer, D.C., JOC, 59, 4311; Takano, S. et al.
H, 39, 59.
k xOH
„
Te, NaBH 4 , D M F
.\vO
91 %