N-Acetylneuraminic acid(131-48-6) 1H NMR
Molecular FormulaC11H19NO9
Molecular Weight309.27
InChIInChI=1S/C11H19NO9/c1-4(14)12-7-5(15)2-11(20,10(18)19)21-9(7)8(17)6(16)3-13/h5-9,13,15-17,20H,2-3H2,1H3,(H,12,14)(H,18,19)/t5-,6+,7+,8+,9+,11-/m0/s1
InChIKey SQVRNKJHWKZAKO-PFQGKNLYSA-N
SmilesC(O)(=O)[C@@]1(C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@@H]([C@@H](CO)O)O)O1)O
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Assign. Shift(ppm)
A 8.08
B 3.835
C 3.744
D *1 3.608
E 3.51
F 3.49
G *1 3.294
J 3.180
K 1.989
L 1.892
M 1.706
ASSIGNED BY C-H AND H-H COSY.
J(A,E)=8.4HZ
J(B,K)=4.9HZ
J(B,M)=11.8HZ
J(C,E)=10.6HZ
J(C,J)=1.0HZ
J(D,G)=-10.9HZ
J(D,F)=2.2HZ
J(G,F)=6.8HZ
J(J,F)=9.0HZ
Spectral Code: 1H NMR : 400 MHz in DMSO-d6
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ppm Int. Assign.
176.01 597 1
174.33 732 2
96.46 833 3
71.62 755 4
71.40 898 5
69.45 862 6
67.83 990 7
64.33 907 8
53.28 853 9
40.01 833 10
23.24 1000 11
Spectral Code: 13C NMR : in D2O
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Spectral Code: IR : KBr disc