in CDCl3
-
1HNMR (200 MHz, CDCl3) : δ 7.23 (d, J= 8.79 Hz, 2H), 6.83 (d, J= 8.79 Hz, 2H), 4.14 (m, 2H), 3.78 (s, 3H), 3.73 (dd, J= 5.37 Hz and 10.26 Hz, 1H), 3.01 (dd, J= 9.77 Hz, 12.21 Hz, 1H), 2.42 (dd, J= 5.37 Hz and 12.21 Hz, 1H), 2.27 (s, 6H), 1.2
in CDCl3
-
13CNMR (50 MHz, CDCl3) : δ 172.4, 158.6, 129.4, 128.5, 113.7, 62.7, 59.8, 54.5, 49.3, 45.2, 13.8
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