Skip to main content

Table 2 1H and 13C NMR data for the fatty acid moieties of 16 (CDCl3, δ in ppm, J in Hz)*

From: Novel phthalide derivatives identified from Ligusticum chuanxiong (Chuanxiong)

Position Palmitoyl for 1 and 2 Oleoyl for 3 and 4 Linoleoyl for 5 and 6
δ C δ H δ C δ H δ C δ H
1′ 174.0 for 1
173.3 for 2
  174.0 for 3
173.3 for 4
  174.0 for 5
173.3 for 6
 
2′ 34.4 2.32 for 1
2.29 for 2
34.4 2.33 for 3
2.30 for 4
1.62 for 3
1.60 for 4
34.4 2.33 for 5
2.29 for 6
3′ 25.0 1.62 for 1
1.59 for 2
25.0 25.0 1.63 for 5
1.59 for 6
4′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 29.2–29.7 1.24–1.37
5′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 29.2–29.7 1.24–1.37
6′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 29.2–29.7 1.24–1.37
7′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 29.2–29.7 1.24–1.37
8′ 29.2–29.8 1.22–1.32 27.4 2.01 27.3 2.04
9′ 29.2–29.8 1.22–1.32 129.9 5.35 130.2 5.36
10′ 29.2–29.8 1.22–1.32 130.1 5.35 128.2 5.33
11′ 29.2–29.8 1.22–1.32 27.3 2.01 25.8 2.76 (t, 6.0)
12′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 128.1 5.33
13′ 29.2–29.8 1.22–1.32 29.2–29.9 1.24–1.37 130.4 5.36
14′ 32.1 1.24 29.2–29.9 1.24–1.37 27.3 2.04
15′ 22.8 1.27 29.2–29.9 1.24–1.37 29.2–29.7 1.24–1.37
16′ 14.3 0.87 (t, 6.7) 32.0 1.25 31.7 1.28
17′    22.8 1.29 22.7 1.29
18′    14.2 0.87 (t, 6.7) 14.2 0.88 (t, 6.8)
  1. * Indiscernible signals owing to overlapping or having complex multiplicity are reported without designating multiplicity