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The $^{1}$H-NMR chemical shifts of compounds (A-11), (A-12), (A-10) and (A-9) are listed below. 

Compound (A-11) 

$^{1}$H-NMR (400 MHz, CDC1$_{3}$ ); 7.80-7.58 (m, 14H), 3.97 (d, lH), 3.78 (d, lH), 3.53 (s, 2H), 3.03 (t, lH), 2.74 (d, lH), 2.66 (t, lH), 2.55 (d, lH), 2.03-0.84 (26H, m). 

Compound (A-12) 

$^{1}$H-NMR (400 MHz, CDC1$_{3}$ ); 7.80-7.58 (m, 14H), 3.97 65 (d, lH), 3.78 (d, lH), 3.52 (s, 2H), 3.03 (t, lH), 2.62 (t, lH), 2.32 (s, 4H), 1.82-0.84 (18H, m). 

Compound (A-10) 

$^{1}$H-NMR (d6-DMSO: ppm) Ii; 1.10-0.88 (2H, m), 1.26- 1.12 (5H, m), 1.74-1.51 (5H, m), 2.28 (s, 4H), 2.81-2.73 (lH, m), 3.18-3.07 (lH, m), 3.52 (s, 2H), 3.65 (lH, d, J=12.8 Hz), 3.81 (2H, s), 7.90-7.64 (m, 14H). 

Compound (A-9) 

$^{1}$H-NMR (d6-DMSO: ppm) Ii; 1.17-1.09 (18H, m), 2.28 (s, 4H), 2.81-2.76 (lH, m), 3.52 (s, 2H), 4.61-4.55 (2H, m), 6.94 (2H, s), 7.90-7.64 (m, 14H). 

