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. 2003 Jun 10;100(13):7913–7918. doi: 10.1073/pnas.1232451100

Table 3. Coupling constants (J, Hz) of galactopyranose and glycerol residues of glycolipid derivatives and related reference compounds.

BbGL-I CDCl3 BbGL-I-Ac3 CDCl3 BbGL-II CDCl3 BbGL-II-Ac4 CDCl3 MGDG CDCl3:CD3OD* 1,2-Dipalmitin CDCl3 Me-α-d-Galp D2O Me-β-d-Galp D2O
J1′,2′ (Gal) 7.5 8.0 3.8 3.7 7.3 3.4 8.0
J2′,3′ ND 10.5 9.8 10.0 9.7 10.1 9.9
J3′,4′ 3.2 3.5 3.2 3.5 3.3 2.8 3.5
J4′,5′ 1.0 1.0 1.1 1.1 1.1 1.6 0.8
J5′,6′a 6.3 6.7 5.1 6.4 6.5 6.8 7.9
J5′,6′b 7.2 6.7 ND 7.0 5.4 5.5 4.4
J6′a,6′b 11.1 11.2 11.5 11.2 11.6 11.7 11.7
1JC-1′,H-1′ 158.7 157.4 170.5 172.4 160.2 170.2 160.6
J1″″a,1″″b (Gro) 11.9 11.8 12.1 11.9
J1″″a,2″″ 4.1 4.1 3.2 4.5
J1″″b,2″″ 5.9 6.1 6.7 5.7
J2″″,3″″a 4.8 4.3 5.4 4.8
J2″″,3″″b 6.2 5.2 6.0 5.2
J3″″a,3″″b 10.9 11.2 10.9 12.2

ND, not determined

*

4:1 vol/vol

In (CD3)2CO:CDCl3 (7:3 vol/vol) solution