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Table 1 NMR Data of Nar a

From: Growth inhibitory and chemo-sensitization effects of naringenin, a natural flavanone purified from Thymus vulgaris, on human breast and colorectal cancer

Position δ H (m, J Hz) δ C , m b
2 5.33 (dd, 13.2, 3.0) 80.5, d
3 3ax 3.11 (dd, 13.2, 17.1) 44.0, t
3eq 2.69 (dd, 17.1, 3.0)
4 - 197.8, s
5 - 165.5, s
6 5.90 (d, 1.8) 96.2, d
7 - 168.4, s
8 5.89 (d,1.8) 97.1, d
9 - 164.9, s
10 - 103.4, s
1′ - 131.1, s
2′ 7.32 (dd, 7.2, 1.8) 129.1, d
3′ 6.83 (dd, 6.6, 2.4) 116.3, d
4′ - 159.0, s
5′ 6.83 (dd, 7.2, 1.8) 116.3, d
6′ 7.32 (dd, 7.2, 1.8) 129.1, d
OH 4.89 (s) -
  1. aSpectra recorded in methanol-d 4. b 13C multiplicities were determined by DEPT 135°.