... 4H), 3. 86 (s, Ar-O-CH3, 3H), 3. 78 (s, Ar-O-CH3, 3H), 3. 77 (s, Ar-O-CH3, 3H), 2.20 (b, -C-OH, 1H) 13 C NMR (75.4 MHz, CDCl3, δ ppm) 158.7, 151.2, 149.4, 131 .4, 130 .4, 129.7, 129 .3, 114.6, 1 13. 5, ... 150.4, 130 .4, 129.7, 129 .3, 128.9, 127.8, 118.0, 115 .3, 114 .3 (ArC), 69.6 (O-CH2-), 56 .3 (O-CH3), 31 .8, 29.5 (-CH2-), 13. 4 (-CH3) MS (EI): m/z: 474.4, 420 .3, 36 4 .3, 30 7....
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16/09/2015, 17:11