Table 3.

1H and 13C NMR chemical shifts for the l-rhamnan derived from the LPS O-PS of A. actinomycetemcomitans CU1000a

Glycose unitChemical shift (ppm) (coupling constant [Hz]) for:
H-1 ( J1,2)H-2H-3H-4H-5H-6C-1 ( JC1-H1)C-2C-3C-4C-5C-6
-2)-α-l-Rhap-(1-5.199 (∼1)4.0873.9603.5323.8501.350101.82 (172)78.7970.6472.9770.0917.57
-3)-α-l-Rhap-(1-4.963 (∼1)4.1703.8533.5663.7701.322102.82 (167)70.6478.3372.4470.0917.47
  • a Chemical shifts were recorded at 30°C.