Table 2 ¹H-NMR data of phenyl alkanoids from the rhizome of Cnidium officinalis Makino (600 MHz, δ_H, coupling pattern, J in Hz)

2/2′

6.91, br.s

7.40, d, 1.8

7.05, d, 1.8

6.86, d, 1.8

7.08, br. s

6.85, br.s

5/5′

6.83, d, 8.4

7.02, d, 8.4

6.94, d, 8.4

6.88, d, 7.8

7.14, d, 8.4

–

6/6′

6.86, br.d, 8.4

7.41, dd, 1.8, 8.4

7.09, dd, 1.8, 8.4

6.81, dd, 1.8, 7.8

6.98, br.d, 8.4

7.01, br. s

7/7′

6.50, d, 15.6

9.81, d

7.38, d, 16.2

4.55, d, 6.6

5.70, d, 8.0

6.53, br. d, 15.6

8/8′

6.10, dt, 7.0, 15.6

6.57, dd, 7.8, 16.2

5.93, ddd, 6.6, 10.2, 17.4

3.64, overlapped

6.23, dt, 15.6, 5.0

9/9′

4.05, d, 7.0

9.63, d, 7.8

5.26, br. d, 17.4

5.20, br. d, 10.2

4.24, dd, 4.0, 10.2

3.77, overlapped

4.20, d, 5.0

3-/3′-OMe

3.87, s

3.93, s

3.90, s

3.84, s

3.89, s

7-/9-OMe

3.36, s

3.31, s

^#1′′/^##1′′′

4.89, d, 7.8

4.37, d, 7.8

2′′/2′′′

3.78, overlapped

3.23, dd, 7.8, 7.8

3′′/3′′′

3.48, overlapped

^§3.39, overlapped

4′′/4′′′

3.78, overlapped

3.38, overlapped

5′′/5′′′

3.45, overlapped

^§a3.28, overlapped

6′′/6′′′

3.86, overlapped

3.65, overlapped

3.65, overlapped

3.47, overlapped

^###1′′′′

3.61, overlapped

3.48, overlapped

3′′′′

3.83, overlapped

4′′′′

3.28, overlapped

5′′′′

3.73, overlapped

6′′′′

3.85, overlapped

3.67, overlapped