Spectroscopic Properties |
Mass spectrum |
H NMR |
C13 NMR |
IR |
UV |
X-ray crystallography |
Physical properties: (Source of all information except CAS number Beilstein)
Chemical name: |
5- Acetamido- 2, 6- anhydro- 3, 4, 5- trideoxy- 4- guanidino- D- glycero- D- galacto- non- 2- enonic acid |
Synonyms: | Zanamivir, GG167, 4-guanidino-Neu5Ac2en and 2,3- Didehydro- 2, 4- dideoxy- 4- guanidino- N- acetyl- D- neuraminic acid |
Empirical formula: |
C12H20N4O7 |
Structural formula: | |
Molecular weight: | 332.31g |
Beilstein number: | 7083099 |
Normal State: | Powder |
Colour: | White to 'off white' |
Melting point: | 325oC |
Optical rotary power2: | Type
[µ]
Conc: 0.9g/100ml Solvent: H2O Optical rotary power: 41 deg Wavelength: 589nm Temp: 20oC |
CAS number: | 139110-80-8 |
Solubility: | 18mg/mL in water at 20oC |
SMILES: | OC[C@@H](O)[C@@H](O)[C@@]1([H])[C@H]([C@@H]([H])C(C)=O)[C@@H](NC(N)=N)C=C(C(O)=O)O1 |
Visit the Corina website at http://www.2.ccc.uni-erlangen.de/services/3d.html, paste in the SMILES string shown above and press submit. This will give you a three-dimensional version of Relenza which can be manipulated.
Spectroscopic properties: |
1H NMR13: |
Hydrogen | Chemical shift /ppm |
(1H, d, 3-H) | 5.53 |
(2H, 2dd, 4- and 6-H) | 4.50 - 4.38 |
(1H, dd, 5-H) | 4.21 |
(2H, dd+ddd, 9-Ha and 8-H) | 4.00-3.88 |
(2H, 2dd, 9-Hb and 7-H) | 3.70-3.62 |
(3H, s, Ac) | 2.05 |
13C NMR12: |
Carbon | Shift /ppm |
(C=O, Ac) | 177.3 |
(C-1) | 172.1 |
(guanidino) | 159.9 |
(C-2) | 152.1 |
(C-3) | 106.8 |
(C-6) | 78.3 |
(C-8) | 72.6 |
(C-7) | 71.0 |
(C-9) | 65.9 |
(C-4) | 54.0 |
(C-5) | 50.6 |
(Me) | 24.8 |
The following peaks are present in the IR spectra of Relenza: 3332cm-1, 1676cm-1, 1600cm-1, 1560cm-1, 1394cm-1, 1322cm-1 and 1281cm-1. |
The maximum peak is 235nm giving E = 199 dm-3 mol-1cm-1 |
For information on this (and more) please visit: http://www.chemsoc.org/exemplarchem/entries/hamblin9/ |