32
ORGANIC SYNTHESIS—1995
LA.7.a.2-2 Clayden, J. and Warren, S., JCS(Pl), 1529.
Ph 2 PO
1) BuLi
^OH
► Et
2) EtCHO
OH
Ph 2 PO
59%, 60:40 anti : syn
I.A.7.a.2-3 Harnett, J.J. et al., TL, 35, 2009.
ν
\ Θ Θ
THF
O +
S—CH 2
*
2
» - /
OH
R
Me
R
10-91%
I.A.7.a.2-4 Aggarwal, V.K. et al., CC, 1653.
?
NaHMDS
+
y - OH
r - ^ R
RCHO,THF
pyr
"v^S,.
40-84%, 47:53 to >97:3
ORGANIC SYNTHESIS—1995
LA.7.a.2-2 Clayden, J. and Warren, S., JCS(Pl), 1529.
Ph 2 PO
1) BuLi
^OH
► Et
2) EtCHO
OH
Ph 2 PO
59%, 60:40 anti : syn
I.A.7.a.2-3 Harnett, J.J. et al., TL, 35, 2009.
ν
\ Θ Θ
THF
O +
S—CH 2
*
2
» - /
OH
R
Me
R
10-91%
I.A.7.a.2-4 Aggarwal, V.K. et al., CC, 1653.
?
NaHMDS
+
y - OH
r - ^ R
RCHO,THF
pyr
"v^S,.
40-84%, 47:53 to >97:3