302
ORGANIC SYNTHESIS—1995
IV.K.6-9 Hegedus, L.S. and Moser, W.H., JOC, 59, 7779.
H
R q y Γί
CSA / CH 2 CI 2
γ
H"~V
OR
'
y""
60-89%
IV.K.7.
Heterocycles with 2 N's and 1 O
IV.K.7-1 Somogyi, L. LA, 623.
R j
-Ri
ZnCl 2
2
,*l
i
Ac 2 0
OX" ·IV.K.7-2 Chimirri, A. et al., H, 38, 2289.
ti B
I Γ
TEA
P h T ^ C I
CH 2C1 2
52-70%
ORGANIC SYNTHESIS—1995
IV.K.6-9 Hegedus, L.S. and Moser, W.H., JOC, 59, 7779.
H
R q y Γί
CSA / CH 2 CI 2
γ
H"~V
OR
'
y""
60-89%
IV.K.7.
Heterocycles with 2 N's and 1 O
IV.K.7-1 Somogyi, L. LA, 623.
R j
-Ri
ZnCl 2
2
,*l
i
Ac 2 0
OX" ·IV.K.7-2 Chimirri, A. et al., H, 38, 2289.
ti B
I Γ
TEA
P h T ^ C I
CH 2C1 2
52-70%