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Fig. 2 | Biological Research

Fig. 2

From: Epanorin, a lichen secondary metabolite, inhibits proliferation of MCF-7 breast cancer cells

Fig. 2

1H-RMN (a) and 13C-RMN (b) spectra for EP. The assignment of EP was according to the following: 1H-RMN (CDCl3) δ: 15.7 (1H, s, OH); 8.2 (1H, d, J = 1.2 Hz NH); 7.6–7.3 (10H, m, H–Ar); 4.8–4.7 (1H, m, NHCH); 3.8 (1H, s, O–CH3); 1.7–1.6 (3H, m, CH2 CH(CH3)2); 0.9 (3H, d, J = 6.32 Hz, CH(CH3)2), 0.9 (3H, d, J = 6.32 Hz, CH(CH3)2) and 13C-RMN (CDCl3) δ: 171.9 (CONH); 168.4 (COOCH3); 166.5 (COO); 161.7 (COH); 153.2 (OCCOH); 130.0 (C–Ar); 129.8 (C–Ar); 129.7 (C–Ar); 129.5 (C–Ar); 129.4 (C–Ar); 128.9 (C–Ar); 128.8 (C–Ar); 128.3 (C–Ar); 127.8 (C–Ar); 127.6 (C–Ar); 116.9 (COC-Ar); 103.5 (COCOH); 52.7 (O-CH3); 52.0 (NHCH); 40.9 (CH2); 25.0 (CH(CH3)2; 22.6 (CH(CH3)2; 21.9 (CH(CH3)2

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