Category: 16710-11-5

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Action of Methyl Iodide and of Benzyl Chloride upon 2-Oxy-4-methyl-6-methylmercaptopyrimidine》. Authors are Wheeler, Henry L.; Mcfarland, David F..The article about the compound:4-Methyl-6-(methylthio)pyrimidin-2-olcas:16710-11-5,SMILESS:CSC1=NC(O)=NC(C)=C1).Application In Synthesis of 4-Methyl-6-(methylthio)pyrimidin-2-ol. Through the article, more information about this compound (cas:16710-11-5) is conveyed.

2-Methylmercapto-4-methyl-6-chloropyrimidine, C6H7N2ClS, was made from the oxypyrimidine and PCl5, b32-5 147°, m. 39-40°. This with KSH gave 2-methylmercapto-4-methyl-6-thiopyrimidine, C6H8N2S2, m. 214°, heating at 215-23° gave 2,6-dithio-4-methyluracil. Boiling the mercapto compound with HCl formed 6-thio-4-methyluracil, C6H6ON2S, prisms decompose above 250°, which with NaOH and MeI gives 2-oxy-4-methyl-6-methylmercaptopyrimidine, C6H8ON2S, needles, m. 174-5°. The mercaptopyrimidine with NaOH and PhCH2Cl yielded after treatment with HCl a mixture of 1-benzyl and 3-benzyluracil. The methylation of 2-oxy-4-methyl-6-methylmercaptopyrimidine gave 2-oxy-3,4-dimethyl-6-methylmercaptopyrimidine, C7H10ON2S, m. 170-1° and probably the 1,4-dimethyl product not isolated. 2-Oxy-4-methyl-6-o-nitrobenzylmercaptopyrimidine, m. 205°. 2-Oxy-4-methyl-6-m-dinitrophenylmercaptopyrimidine, m. 208°.

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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: 16710-11-5, is researched, SMILESS is CSC1=NC(O)=NC(C)=C1, Molecular C6H8N2OSJournal, Article, Journal of Organic Chemistry called Pyrimidine nucleosides. I. Synthesis of 6-methylcytidine, 6-methyluridine, and related 6-methylpyrimidine nucleosides, Author is Winkley, Michael W.; Robins, Roland K., the main research direction is pyrimidine nucleosides; nucleosides pyrimidine; cytosines; cytidines; uridines; uracils; ribofuranosyls; methylpyrimidine nucleosides.Safety of 4-Methyl-6-(methylthio)pyrimidin-2-ol.

Synthesis of 6-methylprimidine nucleosides was realized. 6-Methylcytidine (I) and 6-methyl-2′-deoxycytidine were prepared by direct utilization of 6-methylcytosine (II) via silylation and subsequent treatment with the appropriate per-O-acetylglycosyl halide in MeCN. Conversion of I into 6-methyluridine was achieved in 65% yield. This direct glycosylation procedure applied to 6-methyluracil gave 6-methyl-3-(β-D-ribofuranosyl)uracil as the major product. Utilization of this general method resulted in preparation of 5,6-dimethyluridine. A new route to the synthesis of II is reported. 31 references.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol(SMILESS: CSC1=NC(O)=NC(C)=C1,cas:16710-11-5) is researched.Quality Control of 5-Iodo-2-furaldehyde. The article 《4-arylamino-2-(2-acetoxyethyl)amino-6-methylpyrimidines: Synthesis, deacetylation, and biological activity》 in relation to this compound, is published in Russian Journal of General Chemistry. Let’s take a look at the latest research on this compound (cas:16710-11-5).

The reaction of 2-(2-acetoxyethyl)amino-4-chloro-6-methylpyrimidine with aromatic amines leads to a series of 4-arylamino-2-(2-acetoxyethyl)amino-6-methylpyrimidines. Deacetylation of these compounds proceeds in both acidic and basic media. Most of the (arylamino)pyrimidines obtained exhibit a pronounced antituberculous effect.

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Rostkowska, H.; Szczepaniak, K.; Nowak, M. J.; Leszczynski, J.; KuBulat, K.; Person, Willis B. published the article 《Thiouracils. 2. Tautomerism and infrared spectra of thiouracils. Matrix-isolation and ab initio studies》. Keywords: thiouracil tautomer IR; methylthiouracil isomer IR; MO ab initio thiouracil.They researched the compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol( cas:16710-11-5 ).Safety of 4-Methyl-6-(methylthio)pyrimidin-2-ol. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:16710-11-5) here.

A study of the IR spectra of thiouracils isolated in low-temperature inert matrixes demonstrated that 2- and 4-thiouracils together with their N1- and N3-methylated derivatives as well as 2,4-dithiouracil exist under these conditions only in the oxothione or dithione tautomeric forms. In contrast, S2- and S4-methylated derivatives exist as a mixture of hydroxy and oxo tautomeric forms under the same conditions. The ratio of concentrations of the oxo and hydroxy tautomers and the free energy differences, were exptl. estimated, from the ratio of the absorbances of the NH and OH stretches. An assignment of the observed IR bands, particularly those related to the C:S stretching vibrations, is proposed on the basis of the comparison of the matrix spectra with those calculated by using ab initio methods (3-21G* basis set).

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol, is researched, Molecular C6H8N2OS, CAS is 16710-11-5, about Pyrimidine nucleosides. I. Synthesis of 6-methylcytidine, 6-methyluridine, and related 6-methylpyrimidine nucleosides, the main research direction is pyrimidine nucleosides; nucleosides pyrimidine; cytosines; cytidines; uridines; uracils; ribofuranosyls; methylpyrimidine nucleosides.Recommanded Product: 16710-11-5.

Synthesis of 6-methylprimidine nucleosides was realized. 6-Methylcytidine (I) and 6-methyl-2′-deoxycytidine were prepared by direct utilization of 6-methylcytosine (II) via silylation and subsequent treatment with the appropriate per-O-acetylglycosyl halide in MeCN. Conversion of I into 6-methyluridine was achieved in 65% yield. This direct glycosylation procedure applied to 6-methyluracil gave 6-methyl-3-(β-D-ribofuranosyl)uracil as the major product. Utilization of this general method resulted in preparation of 5,6-dimethyluridine. A new route to the synthesis of II is reported. 31 references.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Brown, Desmond J.; Shinozuka, Kazuo researched the compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol( cas:16710-11-5 ).Product Details of 16710-11-5.They published the article 《Bis-s-triazolo[1,5-a:1′,5′-c]pyrimidine and some simple derivatives》 about this compound( cas:16710-11-5 ) in Australian Journal of Chemistry. Keywords: bistriazolopyrimidine; triazolopyrimidinamine acetoxyaminomethylene preparation cyclization. We’ll tell you more about this compound (cas:16710-11-5).

A general synthetic route to the new tricyclic system bis-s-triazolo[1,5-a:1′,5′-c]pyrimidine is reported. Thus the parent heterocycle (I; R = R1 = H) is prepared from the key bicyclic intermediate, s-triazolo[18k-c]pyrimidin-5-ylamine, through the 5-dimethylaminomethyleneamino, 5-hydroxyaminomethyleneamino and 5-acetoxyaminomethyleneamino derivatives, followed by final cyclization. I (R = H, Me, R1 = H, Me, Ph) are prepared similarly. Structures are confirmed by NMR spectra.

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Recommanded Product: 4-Methyl-6-(methylthio)pyrimidin-2-ol. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol, is researched, Molecular C6H8N2OS, CAS is 16710-11-5, about 6-Substituted and 5,6-Disubstituted Derivatives of Uridine: Stereoselective Synthesis, Interaction with Uridine Phosphorylase, and in Vitro Antitumor Activity. Author is Felczak, Krzysztof; Drabikowska, Alicja; Vilpo, Juhani A.; Kulikowski, Tadeusz; Shugar, David.

Stereoselective procedures are described for the synthesis of 6-alkyluridines, e.g. I (R = F, OH, R1 = H, F), by Lewis acid-catalyzed condensation of trimethylsilylated 6-alkyl-4-alkylthiouracils with 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose (ABR) and trimethylsilylated 6-alkyl-3-benzyluracils with ABR. For all the foregoing nucleosides in the fixed syn conformation about the glycosyl bond, 1H NMR spectroscopy further demonstrated that the pentose rings exist predominantly in the conformation N (3′-endo). Most of the nucleosides were weak substrates of Escherichia coli pyrimidine nucleoside phosphorylase. The 5-fluoro-6-substituted uridines were the poorest substrates. Cytotoxicities of the nucleosides were examined vs the human tumor cell lines MOLT-3, U-937, K-562, and IM-9, as well as PHA-stimulated human lymphocytes. Two of the analogs, 5-fluoro-6-(fluoromethyl)uridine and 5-fluoro-6-(hydroxymethyl)uridine, exhibited cytotoxicities comparable to that of 5-fluorouracil.

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Erkin, A. V.; Krutikov, V. I. published the article 《4-arylamino-2-(2-acetoxyethyl)amino-6-methylpyrimidines: Synthesis, deacetylation, and biological activity》. Keywords: ethanolamine acetate arylaminopyrimidinyl tuberculostatic preparation; pyrimidinediamine acetoxyethyl aryl tuberculostatic preparation; deacetylation acetoxyethylaminopyrimidine.They researched the compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol( cas:16710-11-5 ).Application of 16710-11-5. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:16710-11-5) here.

The reaction of 2-(2-acetoxyethyl)amino-4-chloro-6-methylpyrimidine with aromatic amines leads to a series of 4-arylamino-2-(2-acetoxyethyl)amino-6-methylpyrimidines. Deacetylation of these compounds proceeds in both acidic and basic media. Most of the (arylamino)pyrimidines obtained exhibit a pronounced antituberculous effect.

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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, Article, Journal of Organic Chemistry called Pyrimidine nucleosides. I. Synthesis of 6-methylcytidine, 6-methyluridine, and related 6-methylpyrimidine nucleosides, Author is Winkley, Michael W.; Robins, Roland K., which mentions a compound: 16710-11-5, SMILESS is CSC1=NC(O)=NC(C)=C1, Molecular C6H8N2OS, Synthetic Route of C6H8N2OS.

Synthesis of 6-methylprimidine nucleosides was realized. 6-Methylcytidine (I) and 6-methyl-2′-deoxycytidine were prepared by direct utilization of 6-methylcytosine (II) via silylation and subsequent treatment with the appropriate per-O-acetylglycosyl halide in MeCN. Conversion of I into 6-methyluridine was achieved in 65% yield. This direct glycosylation procedure applied to 6-methyluracil gave 6-methyl-3-(β-D-ribofuranosyl)uracil as the major product. Utilization of this general method resulted in preparation of 5,6-dimethyluridine. A new route to the synthesis of II is reported. 31 references.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-Methyl-6-(methylthio)pyrimidin-2-ol, is researched, Molecular C6H8N2OS, CAS is 16710-11-5, about Synthesis and anti-hepatitis B virus activity of new pyrimidine peptide nucleic acid analogs.Recommanded Product: 16710-11-5.

A series of 4-methylsulfanylpyrimidin-2(1H)-one peptide nucleic acid analogs were synthesized and tested for their antiviral activity against hepatitis B virus. Plaque reduction infectivity assay was used to determine the virus count reduction as a result of treatment with tested compounds

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