... NMR ( 125 . 03 MHz, D2O): δ 135 .2 (im- 13 C2), 133 .3 (CH2CH2CH=CH2), 122 .4 (im C4/5), 118.8 (CH2CH2CH=CH2), 49 .3 (CH2CH2CH2CH3), 48.8 (CH2CH2CH=CH2), 33 .8 (CH2CH2CH=CH2), 31 .2 (CH2CH2CH2CH3), 18.7 ... CH2CH2CH=CH2), 4. 93- 4. 82 (m, 2H, CH2CH2CH=CH2), 3. 75 (t, 2H, 3JHH = 7.4 Hz, CH2CH2CH=CH2), 3. 35 (q, 2H, 3JHH = 6. 93 Hz, CH2CH2CH=CH2), 3 .21 (s, 3H, CH3), 2. 31 (s, 6H, CH3), 2. 13 (s, 12H, CH3) 20 8 ... NMR ( 125 . 03 MHz, D2O): δ 141.5 (im-C2), 136 .3, 135 .3 (Ar-C), 133 .1 (CH2CH2CH=CH2), 130 .8, 129 .2, 124 .1, 1 23 .0 (Ar-C), 119.4 (CH2CH2CH=CH2), 49.1 (CH2CH2CH=CH2), 33 .9 (CH2CH2CH=CH2), 20 .2 (CH3),...