cas 55441-71-9, 9-METHYLURIC ACID | Articles data ｜lookchem

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55441-71-9

Articles about 55441-71-9Total 2 be found

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Falconer,Gulland
p. 1369
(1939)
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Hill
p. 370,1093
(1876)
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Purines. XIV [1]. Synthesis and properties of 8-nitroxanthine and its N- methyl derivatives
Xanthine (1) and its N-methyl derivatives 2-16 have been nitrated to the corresponding 8-nitro derivatives 17-32 under different reaction conditions. Nitration in glacial acetic acid with nitric acid works well with the N-7 unsubstituted and some of the 9-methylxanthines, respectively, whereas the 7- methylxanthine derivatives react best with nitronium tetrafluoroborate in sulfolane or glacial acetic acid. The 8-nitro group can be displaced nucleophilically to form 8-chloro-, 33, 34, 8-ethoxy-, 35, 36, and uric acid derivatives 37-40, respectively. The newly synthesized 8-nitroxanthines have been characterized by elemental analyses, pK-determinations and uv and 1H- nmr spectra.
Mosselhi,Pfleiderer
p. 1221 - 1228
(2007/10/02)

Electrochemical Behaviour of 9-Methylxanthine at Glassy Carbon Electrode
The electrochemical oxidation of 9-methylxanthine at a glassy carbon electrode has been examined in the pH range 1.9 - 10.00 by linear and cyclic sweep voltammetry, coulometry and spectral studies.The products of electrooxidation have been identified and a plausible mechanism is suggested.
Goyal, R. N.
p. 343 - 347
(2007/10/02)

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Chemical Properties

Appearance/Colour :White to light yellow powder
Boiling Point: 315.51°C (rough estimate)
Density: 1.73g/cm³
Solubility:Aqueous Base (Slightly), Methanol (Slightly)
Storage Temp.:Hygroscopic, Refrigerator, under inert atmosphere
Refractive Index: 1.695
BRN: 18583
PSA: 103.51000
LogP: -1.75680

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