石蒜鳞茎中的生物碱成分研究(8)
Fig.1 Compounds 1-10 from the leaves of Evodia lepta3 Identification
Compound 1 Yellow gum. EI-MS m/z 190(M+·). 1H-NMR(CDCl3,500 MHz) δ: 7.81(1H,brs,H-8),7.61(1H,d,J=8.0 Hz,H-5),7.43(1H,dd,J=1.0,8.0 Hz H-6),2.88(1H,m,H-2a),2.69(1H,m,H-2b),2.39(3H,s,10-CH3),2.28(2H,m,H-3),1.64(3H,s,9-CH3); 13C-NMR(CDCl3,125 MHz) δ: 197.5(C-1),35.9(C-2) ......
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