68
HETEROCYCLES, Vol. 68, No. 1, 2006
2
3
2
3
(
2H, dd, H(8a), H(16a), J=16.2 Hz, J=3.2 Hz), 3.06 (2H, dd, H(8b), H(16b), J=16.2 Hz, J=12.2 Hz).
1
3
C NMR (CDCl
3
) δ 164.11 (2xCCON), 132.31, 131.38 (arom, 2x2xC
q
), 128.84, 127.13, 127.03, 126.30
C).
(
arom, 2x4xCH), 55.41 (2xCHCO), 44.41 (2xArCH
2
N), 34.22 (2xArCH
2
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