Table 3:
13
C NMR data for
G4
; chemical shifts in ppm relative to TMS (1%) at room temperature in CDCl
3
Compound
Aromatic (Ar)
O-CH
3
C-N
G4
139.95, 134.49, 126.32, 123.91,
161.62 (Ar-O-CH
3
)
142.81, 139.95
(C-N)
119.76, 114.78, 101.91, 99.07
55.61 (O-CH
3
)
154.32 (C-N)