Table 1 1 H in Structural characterization of phenolic constituents from the rhizome of Imperata cylindrica var. major and their anti-inflammatory activity

Table 1 1 H NMR data of compounds 1–6.
No.1 a2 a3 a4b5b6 a1––––––27.19 (d, 8.5)6.89 (br. s)7.24 (d, 1.5)6.70 (s)6.69 (s)6.99 (br. s)37.02 (d, 8.5)–––––4––––––57.02 (d, 8.5)6.86 (d, 8.0)6.92 (d, 8.5)––6.76 (d, 8.0)67.19 (d, 8.5)6.73 (br. d, ca. 8)7.12 (dd, 1.5, 8.5)6.70 (s)6.69 (s)6.81 (br. d, ca. 8)73.58 (s)2.85 (t, 7.5)7.61 (d, 16.0)4.63 (d, 3.0)4.57 (br. s)4.71 (d, 7.5)8–2.57 (t, 7.5)6.37 (d, 16.0)3.66 (m, overlapped)3.73 (m)3.79 (m)9–––3.20 (dd, 5.5, 10.0)3.18 (dd, 5.0, 11.5)3.37 (m, overlapped)3.41 (m, overlapped)3.80 (dd, 1.5, 11.5)3.55 (dd, 3.5, 12.0)1′4.95 (d, 7.0)––4.21 (d, 7.5)4.10 (d, 7.5)4.51 (d, 8.0)2′3.62 (dd, 7.0, 7.0)4.64 (t, 3.0)4.76 (t, 3.5)3.05 (m, overlapped)3.00 (dd, 7.5, 8.0)3.42 (dd, 8.0, 9.0)3′3.59 (dd, 7.0, 9.0)3.96 (d, 3.0)4.00 (d, 3.5)3.14 (dd, 9.0, 9.0)3.07 (m, overlapped)3.58 (dd, 8.0, 9.0)4′3.38 (dd, 9.0, 9.0)––3.09 (m)3.07 (m, overlapped)3.61 (dd, 9.0, 9.0)5′3.41 (m)––3.09 (m)3.19 (m)3.42 (m)6′3.68 (dd, 5.0, 12.0)––3.43 (m, overlapped)3.43 (dd, 5.0, 12.0)4.37 (dd, 5.0, 12.0)3.88 (dd, 1.5, 12.0)––3.66 (m, overlapped)3.68 (br. d, ca. 12)4.74 (dd, 1.5, 12.0)1′′5.46 (d, 1.5)––––4.39 (d, 7.5)2′′3.94 (d, 1.5)––––3.27 (dd, 7.5, 8.5)3′′–––––3.38 (m, overlapped)4′′3.78 (d, 10.0)––––3.31 (dd, 9.0, 9.0)4.05 (d, 10.0)––––3.37 (m, overlapped)5′′3.54 (s)––––3.67 (dd, 6.0, 11.5)6′′–––––3.90 (br. d, ca. 12)1?––––––2?–––––6.88 (s)3?––––––4?––––––5?––––––6?–––––6.88 (s)7?–––––7.63 (d, 16.0)8?–––––6.39 (d, 16.0)9?––––––3-OCH3–3.85 (s)3.91 (s)3.76 (s)3.76 (s)3.80 (s)4-OCH3–––3.64 (s)3.64 (s)–5-OCH3–––3.76 (s)3.76 (s)–8-OCH33.66 (s)–––––3′′′-OCH3–––––3.81 (s)5′′′-OCH3–––––3.81 (s)1129.5137.1130.1137.4138.8133.42131.4114.0112.5103.9103.8111.73117.7151.2151.3152.3152.2149.14158.1147.0151.0136.2136.0147.55117.7117.7116.3152.3152.2116.16131.4121.6123.4103.9103.8120.9740.931.7146.272.072.574.98174.236.9117.685.573.788.29–176.8170.761.170.663.11′101.0173.8173.6103.5103.4105.22′78.781.381.273.873.575.13′78.763.964.076.276.776.14′71.5––70.069.981.05′78.1––76.876.474.46′62.6––61.060.964.21′′110.8––––104.82′′78.2––––74.93′′80.8––––77.94′′75.5––––71.55′′66.1––––78.36′′–––––62.61?–––––126.62?–––––107.03?–––––149.54?–––––139.75?–––––149.56?–––––107.07?–––––147.58?–––––115.79?–––––168.93-OCH3–56.556.755.755.756.54-OCH3–––59.959.8–5-OCH3–––55.755.7–8-OCH352.5–––––3′′′-OCH3–––––56.95′′′-OCH3–––––56.9
a Determined in CD OD.
3 b Determined in DMSO‑ d 6
a Determined in CD OD.
3 b Determined in DMSO‑ d 6