SYNTHESIS OF HETEROCYCLES
IV.C-13 Meegan, MJ. et al., JCR(S), 342.
231
[ " ^ ^ N H R
Calix[4]arene
KOH
-
C ^ - N ^R
68-90%
IV.C-14 Parsons, A.F. et al., JCS(Pl), 3257 and 1945 and CC, 1224;
Orena, M. et al., H, 38, 2663; Zard, S.Z. et al, TL, 35, 1719.
Bu 3 SnH
1
OF" ^ Ν ' "C0 2 Me
A I B N
Bn
C0 2 Me
B n
33-70%
IV.C-15 Cossy, J. and Bouzide, A., CC, 1218.
Co(OAc) 2
rt
N V ^ >
IV.C-16 Zard, S.Z. et al., TL, 35, 6109.
N t
^A
Bu 3 SnH
O^ffW
AIBN (cat)
PhCO—O