Syntheses of (±)-shinflavanone and its structural analogues as potent inhibitors of bone resorption pits formation

H Suh, S Lee, N Kim, J Han, J Kim

Index: Suh; Lee; Kim; Han Bioorganic and medicinal chemistry letters, 1999 , vol. 9, # 10 p. 1433 - 1436

Full Text: HTML

Citation Number: 7

Abstract

10 [synthetic (±)-shinflavanone]: a yellowish solid; mp = 94–96 °C; Rf 0.25(SiO 2 , 75% EtOAc-Hexane); 1 H-NMR (300MHz, CDCl 3 ) δ 1.45(s, 3H), 1.47(s, 3H)1.79(s, 6H), 2.80(dd, 1H, J=3.2, 16.9Hz), 3.02(dd, 1H, J=12.8, 16.9Hz), 3.39(d, 2H, J=7.0Hz), 5.38(dd, 1H, J=3,2, 12,8Hz), 5.38(t, 1H, J=7.0Hz)5.57(d, 1H, J=10.0Hz), 6.49(d, 1H, J=8.6Hz), 6.64(d, 1H, J=10.0Hz), 6.85(d, 1H, J=8.2Hz), 7.20(s, 1H), 7.24(d, 1H, J=8.2Hz) ...