Research Article

Styrylpyrylium Salts: 1 H and 1 3 C NMR High-Resolution Spectroscopy (1D and 2D)

Table 2

13C-NMR data, 9.40 T (100.6 MHz) or 14.09 T (150.9 MHz) of compounds 1, 2, 3 and 4: Chemical shifts (in ppm as unit of measurement) and net atomic charge (q) of styrylpyrylium salts carbons.

Carbon1234

C2168.880.213167.190.189169.120.211169.460.192
C3114.90 0.303129.07 0.167114.29 0.300128.39 0.162
C4163.230.162163.610.155163.690.168167.940.156
C5114.90 0.312112.75 0.310116.93 0.311118.34 0.305
C6168.880.220168.970.213170.150.209169.600.205
C7123.77 0.299121.18 0.299118.86 0.304121.01 0.304
C8148.670.000149.22 0.007145.800.004146.400.005
C9129.21 0.140129.32 0.139129.15 0.141130.24 0.142
C10129.68 0.136130.27 0.137 129.76 0.135129.44 0.134
C11129.36 0.199127.52 0.199128.71 0.200 129.14 0.199
C12132.53 0.136132.35 0.138132.17 0.135133.04 0.135
C13134.72 0.134129.81 0.133134.38 0.139135.14 0.134
C14129.97 0.123130.35 0.129129.96 0.127130.65 0.133
C15128.26 0.197128.95 0.192129.25 0.195129.24 0.193
C16134.78 0.127134.37 0.139134.96 0.129132.23 0.136
C17134.72 0.135129.70 0.140132.53 0.140134.26 0.138
C18129.97 0.124132.59 0.127129.53 0.135129.33 0.146
C19128.26 0.197 127.98 0.197129.47 0.193129.26 0.191
C20134.78 0.126134.90 0.128134.87 0.135131.88 0.143
C2115.10 0.32217.63 0.322