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Table 1 The 300 MHz 1H NMR (acetone-d6) spectral data of α-mangostin

From: Synergism and the mechanism of action of the combination of α-mangostin isolated from Garcinia mangostana L. and oxacillin against an oxacillin-resistant Staphylococcus saprophyticus

Chemical Shift (δ, ppm) Assignment Chemical Shift (δ, ppm) from reference [15]
13.78 singlet, OH-1 13.72
6.82 singlet, H-5 6.72
6.40 singlet, H-4 6.25
5.27 triplet, H-12, H-17 5.26
4.13 doublet, H-11 4.10
3.80 singlet, 7-OMe 3.78
3.35 doublet, H-16 3.37
2.07 singlet, H-20 1.83
2.05 singlet, H-15 1.82
1.81 singlet, H-14 1.71
1.65 singlet, H-19 1.68