185698
Barbituric acid
ReagentPlus®, 99%
Sinonimo/i:
2,4,6-Trihydroxypyrimidine, Malonylurea
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About This Item
Formula empirica (notazione di Hill):
C4H4N2O3
Numero CAS:
Peso molecolare:
128.09
Beilstein:
120502
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.21
Prodotti consigliati
Livello qualitativo
Nome Commerciale
ReagentPlus®
Saggio
99%
Forma fisica
powder
Punto di fusione
248-252 °C (dec.) (lit.)
Stringa SMILE
O=C1CC(=O)NC(=O)N1
InChI
1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)
HNYOPLTXPVRDBG-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
Barbituric acid is a useful acid for organic and drug syntheses. Its dihydrate form can be synthesized from barbituric acid via crystallization from aqueous solution. Crystal structure of barbituric acid (in tautomeric form) has been investigated by a three dimensional fourier transform method. Its enol crystal form has been reported to be thermodynamically stable.
Applicazioni
Barbituric acid (BA) may be used in the preparation of the corresponding hemiaminals, via chemoselective reduction in the presence of SmI2/H2O reagent. It may be used in the preparation of BA- modified conjugated carbon nitride nanosheets.
It may be used to synthesize:
- 5-ylidenebarbituric acid derivatives via Knoevenagel condensation with aromatic and α,β-conjugated aromatic aldehydes
- 5-diaminomethylenebarbiturates by reacting with substituted carbodiimides
Note legali
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
302.0 °F - closed cup
Punto d’infiammabilità (°C)
150.00 °C - closed cup
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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I clienti hanno visto anche
Madalynn G Marshall et al.
Angewandte Chemie (International ed. in English), 55(4), 1309-1312 (2015-12-15)
The thermodynamically stable enol crystal form of barbituric acid, previously prepared as powder by grinding or slurry methods, has been obtained as single crystals by slow cooling from methanol solution. The selection of the enol crystal was facilitated by a
The crystal structure of anhydrous barbituric acid.
Bolton W.
Acta Crystallographica, 16(3), 166-173 (1963)
Selective reduction of barbituric acids using SmI2/H2O: synthesis, reactivity, and structural analysis of tetrahedral adducts.
Michal Szostak et al.
Angewandte Chemie (International ed. in English), 52(48), 12559-12563 (2013-10-15)
Preparation of 5-diaminomethylenebarbiturates by barbituric acid addition to carbodiimides.
Jursic BS et al.
Tetrahedron, 59(19), 3427-3432 (2003)
Photocatalytic reduction of CO2 by graphitic carbon nitride polymers derived from urea and barbituric acid.
Qin J, et al.
Applied Catalysis. B, Environmental, 179, 1-8 (2015)
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