Table II.

1H-NMR data for disinapoyl Glc derived from the usual array of 1D and 2D experiments, and comparison (assigned here) with prior data (Strack et al., 1984)

*, Data from Strack et al. (1984). We use the central CHD2OD peak as reference δ = 3.31 ppm; our data differ by approximately 0.04 ppm from Strack's. **, Assignments may be interchanged. s, Singlet; d, doublet; dd, doublet of doublets; m, multiplet.

Protonδ (m, J) MeODδ (m, J) Ac/D2Oδ* MeOD
15.80 (d, 8.4)5.75 (d, 8.4)5.85
25.07 (dd, [9.5, 8.4])5.03 (dd, 9.7, 8.4)5.12
33.73 (m)3.77 (m)3.77
43.518 (–)3.53 (–)
53.515 (–)3.53 (–)
6a3.76 (–)3.70 (–)
6b3.89 (–)3.84 (–)3.95
S1 sinapoyl unit
    2/66.89 (s)6.96 (s)6.91
    77.64 (d, 16.0)7.60 (d, 15.9)7.67
    86.32 (d, 16.0)6.33 (d, 15.9)6.36
    3/5-OMe3.86** (s)3.83** (s)3.89**
S2 sinapoyl unit
    2/66.85 (s)6.91 (s)6.88
    77.63 (d, 16.0)7.58 (d, 15.9)7.66
    86.41 (d, 16.0)6.37 (d, 15.9)6.45
    3/5-OMe3.84** (s)3.81** (s)3.87**