Category: 1194-22-5

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1194-22-5, is researched, Molecular C5H6N2O2, about Photochemical transformations of 4,6-dihydroxypyrimidine and 2-methyl-4,6-dihydroxypyrimidine isolated in low-temperature Ar, Ne and H2 matrices, the main research direction is hydroxypyrmidine photoisomerization vibrational frequency UV IR spectra.SDS of cas: 1194-22-5.

Monomers of 4,6-dihydroxypyrimidine and 2-methyl-4,6-dihydroxypyrimidine were trapped from the gas phase into low-temperature Ar, Ne and normal-H2 matrixes. Dihydroxy and oxo-hydroxy tautomers were identified. The isolated monomers were exposed to UV (285 > λ > 270 nm) radiation. For the mols. isolated in Ar and Ne matrixes, such UV excitation led to conversion of the oxo-hydroxy tautomer into three products: the dihydroxy form, the Dewar isomer and the open-ring ketene. In solid-hydrogen matrixes, UV-induced oxo-hydroxy → dihydroxy hydrogen-atom-transfer conversion did not occur; the UV-excited oxo-hydroxy form of the investigated compounds transformed only to the Dewar and open-ring ketene products.

Different reactions of this compound(6-Hydroxy-2-methylpyrimidin-4(3H)-one)SDS of cas: 1194-22-5 require different conditions, so the reaction conditions are very important.

Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Acta Ciencia Indica, Chemistry called Infrared and raman spectrum of 2, 4-dihydroxy-5-methyl pyrimidine, Author is Tiwari, A. P.; Singh, Sarita; Sharma, Rajeev Kumar, which mentions a compound: 1194-22-5, SMILESS is CC1=NC(=CC(N1)=O)O, Molecular C5H6N2O2, Quality Control of 6-Hydroxy-2-methylpyrimidin-4(3H)-one.

In this paper, IR and Raman Spectrum of 2, 4-Dihydroxy – 5-Me Pyrimidine are studied in their resp. region. The spectra have been analyzed by assuming Cs point group symmetry for the said mol. The probable assignments to observed fundamental frequencies with structural features have been made to different mode of vibration on the basis of group frequency approach.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Solution-Phase Synthesis of a Library of 3,5,7-Trisubstituted 3H-[1,2,3]triazolo[4,5-d]pyrimidines, published in 2003-10-31, which mentions a compound: 1194-22-5, Name is 6-Hydroxy-2-methylpyrimidin-4(3H)-one, Molecular C5H6N2O2, SDS of cas: 1194-22-5.

An efficient solution-phase parallel synthesis of a library of 3,5,7-trisubstituted [1,2,3]triazolo[4,5-d]pyrimidines I [R1 = H, Me; R2 = Ph, PhCH2, 4-ClC6H4, 4-MeC6H4, 4-MeOC6H4; R3 = H, R4 = HOCH2CH2, cyclohexyl, Ph, PhCH2, PhNH, PhCH2O, etc.; R3R4 = (CH2)2N(CO2CMe3)(CH2)2] is described. 5-Amino-4,6-dichloropyrimidines II, prepared from monosubstituted amidines in four steps, reacted with primary amines R2NH2 to yield, after the following diazotization/intramol. cyclization, the 7-chloro-3,5-disubstituted [1,2,3]triazolo[4,5-d]pyrimidines III as penultimate intermediates. Final nucleophilic substitution of the 7-chloro group in III with an excess of a primary or secondary amine, a hydrazine or a O-alkyl hydroxylamine proceeds efficiently. Scavenging of the excess amine with a resin-bound isocyanate in the presence of resin-bound piperidine as a base afforded the desired 3,5,7-trisubstituted [1,2,3]triazolo[4,5-d]pyrimidines I in good yields and purities.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Safety of 6-Hydroxy-2-methylpyrimidin-4(3H)-one. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one, is researched, Molecular C5H6N2O2, CAS is 1194-22-5, about Cocrystal structure, thermal behavior, and DFT calculations between FOX-7 and 1,10-Phenanthroline. Author is Li, Keyao; Ren, Xiangwen; Fu, Shuqin; Zhu, Jiaping.

Cocrystal of FOX-7 (1,1-diamino-2,2-dinitroethene) and Phen (1,10-Phenanthroline) has been synthesized and characterized by X-ray crystallog. The single crystal results show that FOX-7 and its cocrystal were crystallized in the monoclinic space groups P21/n and P21/c, resp. Thermal stability of FOX-7 and FOX-7·Phen were studied by DSC, the first exothermic peak temperatures (TP) of FOX-7 and FOX-7·Phen occurs at 223.2 and 232.7 °C, resp.; indicating that FOX-7·Phen is more stable than FOX-7. Thermokinetic parameters such as the activation energy Ea and pre-exponential factor A were 321.4 kJ mol-1 and 1.166 x 1033 s-1, resp. DFT studies including geometry optimization, HOMO-LUMO anal., Mulliken charge and UV-visible spectral data were also calculated by DFT-B3LYP/6-31 + G** level.

The article 《Cocrystal structure, thermal behavior, and DFT calculations between FOX-7 and 1,10-Phenanthroline》 also mentions many details about this compound(1194-22-5)Safety of 6-Hydroxy-2-methylpyrimidin-4(3H)-one, you can pay attention to it, because details determine success or failure

Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one, is researched, Molecular C5H6N2O2, CAS is 1194-22-5, about Infrared spectra of the biological molecule 4,6-dihydroxy-2-methylpyrimidine, the main research direction is IR spectra hydroxymethylpyrimidine; pyrimidine derivative IR spectra.Quality Control of 6-Hydroxy-2-methylpyrimidin-4(3H)-one.

The IR absorption spectra of 4,6-dihydroxy-2-methylpyrimidine were recorded spectrophotometrically in the region 250-4000 cm-1 using KBr and Nujol mull techniques. The spectra were analyzed assuming C2v point group symmetry for the mol. The assignments were proposed and discussed and the tautomeric behavior of the mol. was also discussed.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Quality Control of 6-Hydroxy-2-methylpyrimidin-4(3H)-one. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one, is researched, Molecular C5H6N2O2, CAS is 1194-22-5, about The two-dimensional condensation of 2-methyl-4,6-dihydroxy-pyrimidine at the water/mercury interface. Author is Kontoyannis, Christos; De Levie, Robert.

The named compound exhibits 2-dimensional condensation leading to 2 condensed films which differ in capacitance, charge d. and inhibiting properties, yet can be made and studied at the same potentials.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Related Products of 1194-22-5. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one, is researched, Molecular C5H6N2O2, CAS is 1194-22-5, about Pyrazine chemistry. Part 9. Oxygenation of pyrazines and pyrimidines. Author is Markham, Janet L.; Sammes, Peter G..

Irradiation of pyrazines I (R = CH2Ph, Me) and pyrimidines II (R = EtO, Me) in the presence of O and sensitizer gave the resp. endo peroxides III and IV in high yield. Mild NaBH4 reduction of III (R = Me) gave a mixture of cis and trans diols V whereas treatment with acid gave the parent pyrazine.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Synthetic Route of C5H6N2O2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one, is researched, Molecular C5H6N2O2, CAS is 1194-22-5, about Effect of 4,6-dihydroxypyrimidine and 2-methyl-4,6-dihydroxypyrimidine on the development of pulmonary adenomas in mice. Author is Labkovskii, B. M..

4,6-Dihydroxypyrimidine (50 mg./kg.) administered s.c. into mice simultaneously or daily for 1 week following injection of urethane (1 g./kg.) stimulated the formation of adenomas on the lung surfaces. These morphological changes were first observed 1-1.5 months after administration of the carcinogen. 2-Methyl-4,6-dihydroxypyrimidine did not have the ability to stimulate urethane-induced blastomogenesis under similar conditions.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1194-22-5, is researched, SMILESS is CC1=NC(=CC(N1)=O)O, Molecular C5H6N2O2Journal, Journal of Physical Chemistry called Reactions of oxidizing radicals with 4,6-dihydroxypyrimidines as model compounds for uracil, thymine, and cytosine, Author is Novais, H. M.; Steenken, S., the main research direction is radical oxidizing reaction pyrimidinediol.Recommanded Product: 6-Hydroxy-2-methylpyrimidin-4(3H)-one.

The reactions of the oxidizing radicals OH, O-, SO4-, and Br2- with 4,6-dihydroxypyrimidine (4,6-DHP) and with 2- and 5-methyl-4,6-DHP were examined by using in situ radiolysis and photolysis ESR and pulse radiolysis techniques. At pH 1-6 the OH radical reacts with these compounds [k = (4-7) × 109 M-1 s-1] selectively by addition at C-5 to produce radicals characterized by two pairs of magnetically equivalent nitrogens and exchangeable protons. On the basis of the coupling constants and from the increased pKa value (8.3) of the radical from 4,6-DHP relative to that (5.3) of the parent compound, a diketo-type structure is suggested for the OH adducts. At pH 8-12 a base-catalyzed dehydration of the radical anions takes place which leads to species formally derived from the ionized parent compound by one-electron oxidation, followed by deprotonation. These radicals can also be produced by reaction with SO4- or Br2-. Those from 4,6-DHP and from 2-Me-4,6-DHP were seen in two different protonation states: as a neutral radical between pH 3 and 5, and as the radical anion above pH ≈ 5. Me groups on the 4,6-DHP mol. increase the rate of dehydration of the OH adducts. The O- radical reacts with the methylated 4,6-DHP’s by H abstraction from the Me groups. The structures of all the radicals from the 4,6-DHP’s are compared with those form naturally occurring dioxopyrimidines such as the uracils.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Jacobsen, Jennifer A.; Fullagar, Jessica L.; Miller, Melissa T.; Cohen, Seth M. published an article about the compound: 6-Hydroxy-2-methylpyrimidin-4(3H)-one( cas:1194-22-5,SMILESS:CC1=NC(=CC(N1)=O)O ).Safety of 6-Hydroxy-2-methylpyrimidin-4(3H)-one. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:1194-22-5) through the article.

Fragment-based lead design (FBLD) has been used to identify new metal-binding groups for metalloenzyme inhibitors. When screened at 1 mM, a chelator fragment library (CFL-1.1) of 96 compounds produced hit rates ranging from 29% to 43% for five matrix metalloproteases (MMPs), 24% for anthrax lethal factor (LF), 49% for 5-lipoxygenase (5-LO), and 60% for tyrosinase (TY). The ligand efficiencies (LE) of the fragment hits are excellent, in the range of 0.4-0.8 kcal/mol. The MMP enzymes all generally elicit the same chelators as hits from CFL-1.1; however, the chelator fragments that inhibit structurally unrelated metalloenzymes (LF, 5-LO, TY) vary considerably. To develop more advanced hits, one hit from CFL-1.1, 8-hydroxyquinoline, was elaborated at four different positions around the ring system to generate new fragments. 8-Hydroxyquinoline fragments substituted at either the 5- or 7-positions gave potent hits against MMP-2, with IC50 values in the low micromolar range. The 8-hydroxyquinoline represents a promising new chelator scaffold for the development of MMP inhibitors that was discovered by use of a metalloprotein-focused chelator fragment library.

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem