janthinone

黄色粉末; HR-ESI-MS谱中显示分子离

子峰m/z 307.06 [M+Na]+, 分子式: C16

H12O5

, 1H NMR 

(CDCl3

, 600 MHz) δH

 12.14 (s, 1H, OH-1), 7.73 (t, J = 

8.5, 7.3 Hz, 1H, H-11), 7.52 (d, J = 8.5 Hz, 1H, H-10), 

7.30 (d, J = 7.3 Hz, 1H, H-12), 6.74 (s, 1H, H-4), 6.63 

(s, 1H, H-2), 4.03 (s, 3H, OCH3-14), 2.42 (s, 3H, CH3-3); 

13C NMR (CDCl3

, 150 MHz) δC

 180.6 (C-7), 169.9 (C

14), 161.6 (C-1), 156.1 (C-9), 155.8 (C-5), 149.6 (C-3), 

134.9 (C-11), 133.7 (C-13), 122.6 (C-12), 119.6 (C-10), 

117.7 (C-8), 111.9 (C-2), 107.5 (C-4), 107.1 (C-6), 53.3 

(OCH3-14), 22.8 (CH3-3)。以上波谱数据与文献报道

数据基本一致, 故鉴定化合物为janthinone。