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Compound 4: (1H NMR 400 MHz, CDCl3) d 8.28 (s, 1H), 7.64 (d, 1H), 7.53 (d, 1H),
7.21 (d, 1H), 7.13–7.06 (m, 4H), 6.81 (d, 2H), 6.60 (d, 1H), 5.85 (m, 1H), 5.29–
5.26 (m, 1H), 4.70 (m, 1H), 4.57–4.53 (m, 1H), 3.77 (s, 3H), 3.34 (dd, 1H), 3.22
(dd, 1H), 2.92 (s, 3H), 2.63 (d, 2H), 2.50–2.41 (m, 1H), 2.37–2.31 (m, 1H), 2.26
(m, 1H), 2.05–2.0 (m, 1H), 1.57 (s, 3H), 1.26–1.17 (m, 3H), 1.03 (d, 3H), 0.79 (d,
3H), 0.66 (d, 3H).
Compound 5: (1H NMR 400 MHz, CDCl3) d 8.04 (s, 1H), 7.71 (d, 1H), 7.58 (m,
2H), 7.25–7.11 (m, 6H), 6.61 (d, 1H), 5.89 (m, 1H), 5.35 (m, 2H), 4.73–4.69 (m,
2H), 4.56 (m, 1H), 3.38 (dd, 1H), 3.25 (dd, 1H), 2.97 (s, 3H), 2.68 (d, 2H), 2.49–
2.27 (m, 2H), 2.26–2.13 (m, 1H), 2.05–1.94 (m, 1H), 1.56 (s, 3H), 1.25–1.16 (m,
3H), 1.04 (d, 3H), 0.79 (d, 3H), 0.71 (d, 3H).
Compound 6: (1H NMR 400 MHz, CDCl3) d 8.43 (s, 1H), 7.76 (d, 1H), 7.59 (d, 1H),
7.19–7.00 (m, 5H), 6.81 (d, 1H), 6.47 (d, 1H), 6.17 (d, 1H), 5.13 (m, 1H), 4.74 (m,
2H), 4.58 (m, 2H), 3.77 (s, 3H), 3.32 (m, 2H), 2.54–2.41 (m, 2H), 2.38–2.26 (m,
1H), 2.17–2.11 (m, 1H), 2.01 (m, 1H), 1.61 (s, 3H), 1.15–1.04 (m, 3H), 1.03 (d,
3H), 0.85 (d, 3H), 0.80 (d, 3H).
Compound 7: (1H NMR 400 MHz, CDCl3) d 7.98 (s, 1H), 7.62 (m, 1H), 7.37 (d,
1H), 7.21–7.10 (m, 4H), 6.96 (s, 1H), 6.82 (d, 2H), 6.77 (d, 1H), 5.71 (m, 1H),
5.30 (m, 1H), 4.81 (m, 2H), 4.61 (m, 1H), 3.78 (s, 3H), 3.42 (dd, 1H), 3.24 (dd,
1H), 2.92 (s, 3H), 2.65 (m, 2H), 2.49–2.35 (m, 2H), 2.32–2.19 (m, 1H), 2.14–2.02
(m, 1H), 1.61 (s, 3H), 1.20–109 (m, 3H), 1.06 (d, 3H), 0.98 (d, 3H), 0.83 (d, 3H).
Compound 8: (1H NMR 400 MHz, CDCl3) d 8.04 (s, 1H), 7.57–7.52 (m, 2H), 7.20–
7.10 (m, 5H), 6.82 (d, 2H), 6.64 (br s, 1H), 5.62 (m, 1H), 5.22 (m, 1H), 4.85 (d,
1H), 4.58–4.50 (m, 1H), 4.27–4.18 (m, 1H), 3.78 (s, 3H), 3.41 (dd, 1H), 3.19 (dd,
1H), 2.74 (dd, 1H), 2.59 (dd, 1H), 2.51–2.39 (m, 3H), 2.38–2.34 (m, 2H), 2.10–
1.95 (m, 2H), 1.60 (s, 3H), 1.22–1.12 (m, 3H), 1.07 (d, 3H), 0.87 (d, 3H).
Compound 9 (diastereomer 1): (1H NMR 400 MHz, CDCl3) d 8.65 (d, 1H), 8.06 (s,
1H), 7.55 (m, 1H), 7.19–7.10 (m, 6H), 6.82 (d, 2H), 6.70 (d, 1H), 5.89 (m, 1H),
5.24 (m, 1H), 4.98 (d, 1H), 4.80 (m, 1H), 4.66 (d, 1H), 3.78 (s, 3H), 3.48 (dd, 1H),
3.17 (dd, 1H), 3.02 (s, 3H), 2.59 (dd, 1H), 2.50 (m, 1H), 2.25 (m, 2H), 2.13 (m,
1H), 1.78 (d, 1H), 1.56 (s, 3H), 1.26 (m, 1H), 1.10 (d, 3H), 0.86 (d, 3H), 0.79 (d,
3H), 0.70 (d, 3H).
17. Inanaga, J.; Hirata, K.; Saeki, H.; Katsuki, T.; Yamaguchi, M. Bull. Chem. Soc. Jpn.
1990, 55, 7.
18. Yamada, K.; Ishiwata, H.; Sone, H.; Kigoshi, H. Tetrahedron 1994, 50, 12853.
19. All new compounds were purified by column chromatography and gave
satisfactory spectroscopic and analytical results.
Compound 2: (1H NMR 400 MHz, CDCl3) d 8.17 (s, 1H), 7.52 (d, 1H), 7.45 (d, 1H),
7.23 (d, 1H), 7.13–7.06 (m, 4H), 6.80 (d, 2H), 6.58 (d, 1H), 5.80 (m, 1H), 4.71 (d,
1H), 4.66 (m, 1H), 4.58 (m, 1H), 3.77 (s, 3H), 3.27 (dd, 2H), 2.94 (s, 3H), 2.63 (dd,
2H), 2.45 (m, 1H), 2.35 (m, 1H), 2.22 (m, 1H), 1.85 (d, 1H), 1.55 (s, 3H), 1.27 (m,
2H), 1.09 (d, 3H), 1.04 (d, 3H), 0.80 (d, 3H), 0.69 (d, 3H).
Compound 9 (diastereomer 2): (1H NMR 400 MHz, CDCl3) d 8.61 (d, 1H), 7.99 (s,
1H), 7.53 (d, 1H), 7.17–7.08 (m, 6H), 6.84 (d, 2H), 6.60 (m, 1H), 5.91 (m, 1H),
5.29 (m, 1H), 4.93 (d, 1H), 4.71 (d, 1H), 4.62 (m, 1H), 3.77 (s, 3H), 3.33 (dd, 1H),
3.21 (dd, 1H), 2.96 (s, 3H), 2.47 (m, 2H), 2.31–2.21 (m, 2H), 1.89 (m, 1H), 1.57
(s, 3H), 1.30 (m, 1H), 1.10 (d, 3H), 0.83 (d, 3H), 0.78 (d, 3H), 0.75 (d, 3H).
Compound 3: (1H NMR 400 MHz, CDCl3) d 8.23 (s, 1H), 7.51 (d, 1H), 7.39–7.37
(m, 1H), 7.22 (d, 1H), 7.12 (m, 2H), 7.06 (d, 2H), 6.78 (d, 2H), 6.51 (d, 1H), 5.64
(m, 1H), 5.22 (m, 1H), 4.96 (d, 1H), 4.62 (m, 2H), 3.76 (s, 3H), 3.34 (dd, 1H), 3.18
(dd, 1H), 2.97 (s, 3H), 2.70 (m, 1H), 2.54 (m, 1H), 2.16 (m, 3H), 1.54 (br s, 3H),
1.32–1.19 (m, 4H), 1.11 (m, 6H), 0.82 (d, 6H).