SYNTHESIS OF HETEROCYCLES
IV.I-5 Grigg, R. et al., T, 50, 5067.
275
(CH 2 0) x
RCSCC0 2 Me
►
' N '
"C0 2 H
Ph-Me
H
100 °C, 2-4 h
CX
MeO,
C
V^-C0 2 Me
AR
31-78%
IV.I-6 Tsuchiya, T. et al., H, 38, 957.
L ^ °Ύ }
Pb<0Ac,4
NH,
35-60%
IV.I-7 Holmann, B. and Reissig, H.U., CB, 127, 2327.
»3
TBSO
R
J
44-87%
IV.I-5 Grigg, R. et al., T, 50, 5067.
275
(CH 2 0) x
RCSCC0 2 Me
►
' N '
"C0 2 H
Ph-Me
H
100 °C, 2-4 h
CX
MeO,
C
V^-C0 2 Me
AR
31-78%
IV.I-6 Tsuchiya, T. et al., H, 38, 957.
L ^ °Ύ }
Pb<0Ac,4
NH,
35-60%
IV.I-7 Holmann, B. and Reissig, H.U., CB, 127, 2327.
»3
TBSO
R
J
44-87%