TABLE 4.

¹H NMR chemical shifts of sugar residues of oligosaccharides 2 and 4 of LPS from E. coli F470(pWQ152)^d

Residue and oligosaccharide	1H NMR chemical shift (ppm) of:
	H-1	H-2	H-3ax	H-3eq	H-4	H-5	H-6(a)	H-6b	H-7(a)	H-7b	H-8a	H-8b
A
2	5.728	3.471	3.953		3.670	4.170	4.324	3.836
4	5.754	3.499	3.960		3.680	4.156	4.344	3.822
B
2	4.887	3.135	3.906		3.863	3.798	NDa	ND
4	4.881	3.162	3.925		3.868	3.712	3.499	3.715
C
2			1.964	2.168	4.163	4.300	3.670		3.896		ND	ND
4			1.984	2.196	4.166	4.304	ND		3.892		ND	ND
D
2			1.828	2.189	4.169	4.086	3.668		ND		3.957	3.828
4			1.820	2.187	4.153	4.099	3.677		3.950		3.964	3.830
E
2			1.828	2.266	4.138	4.057	3.675		ND		ND	3.752
4			1.820	2.295	4.140	4.054	ND		ND		ND	ND
F
2	5.335	4.113	4.205		4.492	4.274	4.196		ND	ND
4	5.333	4.113	4.179		4.472	4.284	4.149		3.897	3.897
G
2	5.212	4.428	4.055		4.055	3.745	4.150		3.798b	3.705b
4	5.135	4.438	4.163		4.472	3.901	4.296		3.745	3.745
H
2	4.957	4.030	3.899		3.825	3.676	4.148		3.751	3.751
4	4.984	4.017	3.912		3.904	3.678	4.052		3.793	3.793
I
2	5.275	3.693	3.984		3.735	3.907	ND	ND
4	5.228	3.702	4.022		3.754	3.914	3.938c	3.761c
K
2	5.419	3.735	3.822		3.484	4.038	3.851	3.812
4	5.483	3.730	3.817		3.464	4.085	3.938c	3.859c
L
2	5.242	3.384	3.965		3.542	3.803	ND	ND

^aND, not detected.

^bDetermined in the ROESY spectrum.

^cSignals may be interchanged.

^dSpectra were recorded from a solution in ²H₂O at 600.13 MHz at 27 °C. Chemical shifts are expressed relative to that of acetone (¹H, 2.225 ppm). Monosaccharide units are as shown in Fig. 9.