Category: 148-51-6

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: 148-51-6, is researched, Molecular C8H12ClNO2, about Preparation and Investigation of Vitamin B6-Derived Aminopyridinol Antioxidants, the main research direction is aminopyridinol preparation antioxidant.Formula: C8H12ClNO2.

3-Pyridinols bearing amine substitution para to the hydroxylic moiety have previously been shown to inhibit lipid peroxidation more effectively than typical phenolic antioxidants, for example, α-tocopherol. We report here high-yielding, large-scale syntheses of mono- and bicyclic aminopyridinols from pyridoxine hydrochloride (i.e., vitamin B6). This approach provides straightforward, scaleable access to novel, potent, mol. scaffolds whose antioxidant properties have been investigated in homogeneous solutions and in liposomal vesicles. These mol. aggregates mimic cell membranes that are the targets of oxidative damage in vivo.

Here is just a brief introduction to this compound(148-51-6)Formula: C8H12ClNO2, more information about the compound(5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride) is in the article, you can click the link below.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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 Effects of alterations in the metabolism of γ-aminobutyrate on convulsant potencies, published in 1977-12-31, which mentions a compound: 148-51-6, Name is 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, Molecular C8H12ClNO2, Application of 148-51-6.

Drugs that alter γ-aminobutyrate (GABA) [56-12-2] metabolism and presumably affect the availability of GABA in synaptic regions were tested for their relative effects on the potencies of 4 convulsants: 3-mercaptopropionate (3-MP) [107-96-0], pentamethylenetetrazole (PTZ) [54-95-5], bicuculline [485-49-4], and picrotoxin [124-87-8] in mice. Aminooxyacetic acid hemichloride [2921-14-4] given prior to the convulsant tended to decrease the potency of 3-MP more than that of PTZ. It decreased the potency of bicuculline more than that of PTZ but less than that of 3-MP, and did not alter that of picrotoxin. Thiocarbohydrazide (TCH) [2231-57-4], DL-C-allylglycine [7685-44-1], and 4-deoxypyridoxine-HCl (DOP) [148-51-6] tended to potentiate 3-MP more than PTZ. The effects of allylglycine on bicuculline and picrotoxin were intermediate. DOP potentiated bicuculline and picrotoxin only to the extent that it potentiated PTZ. TCH resembled DOP in its effect on bicuculline. Valproic acid [99-66-1] decreased the potency of each convulsant; it was most effective against PTZ, slightly less so against 3-MP, and still less effective against bicuculline and picrotoxin. Its anticonvulsive action probably is not primarily via the GABA system. Phenelzine [51-71-8] slightly decreased the potency of bicuculline, but potentiated 3-MP and picrotoxin and did not affect the potency of PTZ. Diacetyl monoxime [57-71-6] was anticonvulsive against PTZ, bicuculline, and picrotoxin, but not against 3-MP. The results do not support the view that bicuculline and picrotoxin induce seizures by blocking GABA-mediated inhibition.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Cultivation of Entamoeba histolytica with penicillin-inhibited Bacteroides symbiosus cells. I. Pyridoxine requirement》. Authors are Reeves, Richard E.; Meleney, Henry E.; Frye, William W..The article about the compound:5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloridecas:148-51-6,SMILESS:OC1=C(C)C(CO)=CN=C1C.[H]Cl).Synthetic Route of C8H12ClNO2. Through the article, more information about this compound (cas:148-51-6) is conveyed.

In a modified Shaffer-Frye culture system it was found that the multiplication of Entamoeba histolytica is strongly inhibited by low concentrations of deoxypyridoxol. The effect of this substance is reversed by the addition of pyridoxal, pyridoxylamine, pyridoxol or pyridoxal phosphate. The last substance was shown to be more effective than pyridoxol in reversing the action of desoxypyridoxol. Conditions were found which allowed the determination of the concentrations of desoxypyridoxol required to reduce to half-maximum the multiplication of E. histolytica. These half-maximum concentrations were reproducible for given stains of amebae, but significant differences were found among 5 strains examined. The F-22 and a newly isolated strain (JH) were more sensitive, the DKB, 200 and K-9 strains were less sensitive to the anti-metabolite. Neither the F-22 nor the DKB strain developed the ability to tolerate larger amounts of anti-metabolite upon continued cultivation in media containing it. Desoxypyridoxol was also effective in preventing the growth of E. histolytica in Cleveland-Collier cultures in the presence of a multiplying mixed-bacterial flora. These results show that there is a pyriodoxine requirement for the multiplication of E. histolytica in the MS-F system. It is not definitely established whether the action of the anti-metabolite is directly on the ameba or upon some phase of the residual metabolism of the accompanying penicillin-inhibited bacterial cells.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Effect of pyridoxal phosphate on toxicity and antitumor activity of mitomycin C and 4-deoxypyridoxine hydrochloride in rats. Preliminary observations》. Authors are Fujimoto, Shigeru.The article about the compound:5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloridecas:148-51-6,SMILESS:OC1=C(C)C(CO)=CN=C1C.[H]Cl).Quality Control of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. Through the article, more information about this compound (cas:148-51-6) is conveyed.

In rats bearing ascites hepatoma, combined therapy with mitomycin C and vitamin B6 arrested leukopenia, but failed to alleviate liver dysfunction and anemia. The growth of subcutaneous tumors was not stimulated by vitamin B6. Tumor growth was inhibited for 2 weeks after administration of 4-deoxypyridoxine-HCl, an antagonist of vitamin B6, to rats fed a diet free of vitamin B6. The administration of vitamin B6 did not lessen the effect of mitomycin C on subcutaneous tumors in rats. Vitamin B6 might counteract leukopenia, a side effect of antitumor agents, by an improvement in metabolism of proteins.

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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: 148-51-6, is researched, Molecular C8H12ClNO2, about Pyridoxine-derived bicyclic aminopyridinol antioxidants: synthesis and their antioxidant activities, the main research direction is bicyclic aminopyridinol derivative preparation antioxidant activity.Category: pyrimidines.

A few facile synthetic pathway for bicyclic aminopyridinol antioxidants are presented. Attachment of a long alkyl chain to the bicyclic pyridinol scaffold was established using an ester linkage. Non-substituted pyrrolopyridinols and 1,3-oxazine-fused pyridinols were also synthesized as novel antioxidant scaffolds. Antioxidant activities were measured by a radical clock method and new compounds prepared are comparable to the best bicyclic aminopyridinol antioxidants.

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Pyrimidine | C4H4N2 – PubChem,
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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: 148-51-6, is researched, Molecular C8H12ClNO2, about Gas electron diffraction and quantum chemical study of the structure of a 2-nitrobenzenesulfonyl chloride molecule, the main research direction is gas electron diffraction quantum chem structure nitrobenzenesulfonyl chloride.Safety of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride.

A combined gas electron diffraction and quantum chem. (B3LYP/6-311+G**, B3LYP/cc-pVTZ, B3LYP/cc-pVTZ, midix (Cl), and MP2/cc-pVTZ) study of the structure of a 2-NO2-C6H4-SO2Cl mol. is performed. It is found exptl. that at a temperature of 345(5) K the gas phase contains two conformers of the C 1 symmetry. Conformer I with a nearly perpendicular arrangement of the S-Cl bond with respect to the benzene ring plane (the C(NO2)-C-S-Cl torsion angle is 84(3)°) is contained predominantly (69(12)%). In conformer II, the S-Cl bond is located near the benzene ring plane (the C(NO2)-C-S-Cl angle is 172(3)°). The following exptl. internuclear distances (Å) are obtained for conformer I: rh1(C-H) = 1.064(15), rh1(C-C)av = 1.397(3), rh1(C-S) = 1.761(6), rh1(S-O)av = 1.426(4), rh1(S-Cl) = 2.043(5), rh1(N-O)av = 1.222(4), rh1(C-N) = 1.485(16). In both conformers, the NO2 group is turned by more than 30° relative to the benzene ring plane.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Barriers to Cervical Cancer Screening in Geneva (DEPIST Study).》. Authors are Catarino, Rosa R; Vassilakos, Pierre P; Royannez-Drevard, Isabelle I; Guillot, Cécile C; Alzuphar, Stéphanie S; Fehlmann, Aurore A; Meyer-Hamme, Ulrike U; Petignat, Patrick P.The article about the compound:5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloridecas:148-51-6,SMILESS:OC1=C(C)C(CO)=CN=C1C.[H]Cl).Computed Properties of C8H12ClNO2. Through the article, more information about this compound (cas:148-51-6) is conveyed.

OBJECTIVES: Cervical screening is only efficient if a large part of eligible women participate. Our aim was to identify sociodemographic barriers to cervical screening and consider self-reported reasons to postpone screening. METHODS: Between September 2011 and June 2015, a questionnaire addressing reasons for nonparticipation in cervical screening was completed by 556 women who had not undergone a Pap test in the preceding 3 years. Pearson χ test was used to analyze differences between subgroups. Logistic regression was used to explore the association between sociodemographic characteristics and reasons for nonparticipation. RESULTS: The main reasons for nonparticipation in cervical cancer screening were practical barriers, such as lack of time and the cost of screening. These barriers were more likely to be reported by working women, women who were not sexually active, and those without health insurance. Younger women, non-European women living in Switzerland, and childless women were more likely to have never participated in a screening program before (adjusted odds ratio [aOR], 3.15; 95% CI, 1.41-6.98; aOR, 2.76; 95% CI, 1.48-5.16; aOR, 1.74; 95% CI, 1.03-2.99, respectively). CONCLUSIONS: Practical considerations seem to play a more important role in screening participation than emotional reasons and other beliefs. Particular attention should be paid to immigrant communities, where women seem more likely to skip cervical screening.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《A novel BMSN (biologically synthesized mesoporous silica nanoparticles) material: synthesis using a bacteria-mediated biosurfactant and characterization》. Authors are Sharma, Raju Kumar; Wang, Shau-Chun; Maity, Jyoti Prakash; Banerjee, Pritam; Dey, Gobinda; Huang, Yi-Hsun; Bundschuh, Jochen; Hsiao, Ping-Gune; Chen, Tsung-Hsien; Chen, Chien-Yen.The article about the compound:5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloridecas:148-51-6,SMILESS:OC1=C(C)C(CO)=CN=C1C.[H]Cl).Reference of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. Through the article, more information about this compound (cas:148-51-6) is conveyed.

Mesoporous materials (MMs) have recently been applied as advanced nanomaterials in different fields (separation, catalysis, adsorption etc.). Synthesis of MMs by chem. surfactants is not ecofriendly. This study focused on the biol. synthesis of a MM by sol-gel method, using a Bacillus subtilis BBK006-mediated surfactant (template) and a precursor (TEOS). The biol. synthesized mesoporous silica nanoparticles (BMSN) were formed at calcination temperatures of 450-600 °C. The BMSN comprise Si and O elements with sp. weights of 56.09% and 42.13% resp., where the at.% was detected to be 41.79% and 55.10%, resp. The phase identity of the synthesized particles (61-300 nm uniform spherical shape; surface area: 8.2616 m2 g-1; pore diameter at 550 °C: 14.8516 nm) was confirmed with wide-angle XRD (10°-81°). A typical type IV isotherm was exhibited (BET curves) following IUPAC nomenclature and confirmed the mesoporous nature. The green-synthesized biosurfactant-mediated BMSN is an environmentally promising material to apply in biomedical science (e.g., antimicrobial activity, drug delivery, CMC, anticancer activity) and oil spill management.

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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: 148-51-6, is researched, SMILESS is OC1=C(C)C(CO)=CN=C1C.[H]Cl, Molecular C8H12ClNO2Journal, Pathologica called Effects of deoxpyridoxine on the formation and development of some experimental neoplasias. I. Ascites tumor in mice, Author is Grimaldi, T.; La Pesa, M.; Curci, E.; Semeraro, N., the main research direction is vitamin B6 antagonist tumor; cancer deoxypyridoxine; pyridoxine antagonist tumor.Synthetic Route of C8H12ClNO2.

I.p. or i.m. injection of the antivitamin B6 compound 4-deoxypyridoxine-HCl (I) [148-51-6] (0.07 mg/day) did not alter either the percentage of tumor take or the survival time of mice inoculated previously or subsequently with Ehrlich ascites tumor. The mice were not kept on a vitamin B6-deficient diet.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Preparation of 3-hydroxy-5-hydroxymethyl-2,4-dimethylpyridine (4-deoxyadermine)》. Authors are Wibaut, J. P.; Uhlenbroek, J. H.; Kooijman, E. C.; Kettenes, D. K..The article about the compound:5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloridecas:148-51-6,SMILESS:OC1=C(C)C(CO)=CN=C1C.[H]Cl).Quality Control of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. Through the article, more information about this compound (cas:148-51-6) is conveyed.

The preparation of 4-deoxyadermine (I) as described earlier (CA 38, 32849) was improved to give a total yield 15%. Ac2CH2 (25 g.) was slowly added to a refluxing solution of 21 g. NCCH2CONH2 in 150 ml. EtOH and 3 ml. piperidine to give 97% 2-hydroxy-3-cyano-4,6-dimethylpyridine (II), m. 294°, which on nitration with HNO3 (d. 1.52) in Ac2O at 45-50° gave a 5-nitro derivative (III) m. 268° in 70% yield. A mixture of 50 g. dry III and 65 g. PCl5 was treated with 30 ml. POCl3 and heated to 130°, to yield 71% 2,4-dimethyl-3-nitro-5-cyano-6-chloropyridine, m. 112-13° (EtOH), which was reduced by Pd-C in MeOH and aqueous HCl to give 70-5% 2,4-dimethyl-3-amino 5-aminomethylpyridine di-HCl salt monohydrate (IV), m. 310° (decomposition). The reaction of IV with Ba(NO2)2 and H2SO4 at 0°, and subsequent heating to 90° afforded 45% I, m. 264°.

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