Synthesis and antitumour activity of β-hydroxyisovalerylshikonin analogues

Z Rao, X Liu, W Zhou, J Yi, SS Li

Index: European Journal of Medicinal Chemistry, , vol. 46, # 9 p. 3934 - 3941

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Citation Number: 14

Abstract

... European Journal of Medicinal Chemistry. ... Yield 74.5%, red oil; 1 H NMR (300 MHz, CDCl 3 ): δ 12.60 (s, 1H), 12.43 (s, 1H), 7.18 (s, 2H), 7.03 (s, 1H), 6.11–6.03 (m, 1H), 5.17–5.07 (m, 1H), 3.89 (t, 2H, J = 5.4 Hz), 2.70–2.42 (m, 4H), 1.69 (s, 3H), 1.58 (s, 3H); 13 C NMR (75 MHz ...