Tag: M.W:100-200

Application of 148-51-6. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, is researched, Molecular C8H12ClNO2, CAS is 148-51-6, about Amino derivatives of pyridoxine and its analogs. Author is Yakovleva, N. L.; Balyakina, M. V.; Gunar, V. I..

Treatment of pyridines I (R = OH, R1 = Me, R2 = CH2OH (II); RR1 = OCMe2CH2O, R2 = CH2OH; R = OH, R1 = CH2OH, R2 = Me) with OP(NMe2)3 gave III (R = OH, R1 = Me, R2 = CH2NMe2 (IV); R = OH, R1 = CH2OH, R2 = CH2NMe2; R = OH, R1 = CH2 NMe2, R2 = Me). Heating II with SOCl2 gave I (R = OH, R1 = Me, R2 = CH2Cl), which was transformed to IV by reaction with Me2NH. Reaction of I (R3 = Cl) with HNMe2 gave I (R3 = NMe2).

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Formula: C10H8ClN. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 4-Chloro-8-methylquinoline, is researched, Molecular C10H8ClN, CAS is 18436-73-2, about Synthesis and in-vitro evaluation of new benzenesulfonamides as antileishmanial agents. Author is Borges, Julio C.; Carvalho, Adriana V.; Bernardino, Alice M. R.; Oliveira, Cesar D.; Pinheiro, Luiz C. S.; Marra, Roberta K. F.; Castro, Helena C.; Wardell, Solange M. S. V.; Wardell, James L.; Amaral, Veronica F.; Canto-Cavalheiro, Marilene M.; Leon, Leonor L.; Genestra, Marcelo.

The synthesis and the antileishmanial activity of sulfonamides I (R1 = H, Me, Cl, Br; R2 = H, Me; R3 = H, Me) was reported. In particular, compound I (R1 = H, R2 = Me, R3 = H) showed significant in-vitro activity against Leishmania amazonensis. Compounds I also were found to not show any toxicity to murine macrophage up to a concentration of 320μgL-1.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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.Foley, G. E.; McCarthy, R. E.; Binns, V. M.; Snell, E. E.; Guirard, B. M.; Kidder, G. W.; Dewey, V. C.; Thayer, P. S. researched the compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ).Recommanded Product: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride.They published the article 《Comparative study of the use of microörganisms in the screening of potential antitumor agents》 about this compound( cas:148-51-6 ) in Annals of the New York Academy of Sciences. Keywords: CYTOTOXIC DRUGS; MICROORGANISMS. We’ll tell you more about this compound (cas:148-51-6).

Collaborative studies were organized to include 16 microbial systems, with bacteria, fungi, and protozoa as the assay microörganisms. A series of 200 compounds were studied. It appears that 95% of the compounds adjudged to be tumor-active in animal assays can be detected by virtue of their inhibitory effects on microörganisms, with as few as 4 selected bioassay systems. 34 references

After consulting a lot of data, we found that this compound(148-51-6)Recommanded Product: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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).Computed Properties of C8H12ClNO2. 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.

After consulting a lot of data, we found that this compound(148-51-6)Computed Properties of C8H12ClNO2 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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, Yaowu Fenxi Zazhi called Separation and identification of water-soluble vitamins and vitamin B6 analogs, Author is Gao, Zengrong, the main research direction is vitamin identification chromatog spectrometry TLC; liquid chromatog vitamin identification; IR spectrometry vitamin identification; UV spectrometry vitamin identification.SDS of cas: 148-51-6.

Vitamin B12  [68-19-9], vitamin B1  [59-43-8], folic acid  [59-30-3], calcium pantothenate  [137-08-6], rutin  [153-18-4], vitamin C  [50-81-7], vitamin B2  [83-88-5], nicotinamide  [98-92-0], nicotinic acid  [59-67-6], p-aminobenzoic acid  [150-13-0], pyridoxal 5-phosphate  [54-47-7], pyridoxol-HCl  [58-56-0], pyridoxamine-2HCl  [524-36-7], pyridoxal-HCl  [65-22-5], and 4-deoxypyridoxol-HCl  [148-51-6] were identified by TLC (using various solvent systems), high-performance liquid chromatog., IR and UV spectrophotometry. Characteristics (Rf values, retention times, absorbances) of these compounds are tabulated.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Piperidin-4-amine dihydrochloride, is researched, Molecular C5H14Cl2N2, CAS is 35621-01-3, about Efficient and Scalable Method for the Selective Alkylation and Acylation of Secondary Amines in the Presence of Primary Amines, the main research direction is selective secondary amine alkylation acylation protecting group manipulation.HPLC of Formula: 35621-01-3.

Selective substitution of secondary amines in the presence of primary amines is performed by using the reaction solvent, Me isobutylketone (MIBK), as a temporary protecting group for the primary amine. After acylation or alkylation of the secondary amine, the resulting imine intermediate is smoothly hydrolyzed, leading to the free primary amine in high yield and purity. This procedure represents a cheap and scalable alternative to multistep methods requiring several protections and deprotections.

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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 Transmitter synthesis and convulsant drugs: effects of pyridoxal phosphate antagonists and allylglycine, published in 1978-02-15, which mentions a compound: 148-51-6, Name is 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, Molecular C8H12ClNO2, Formula: C8H12ClNO2.

Glutamic acid decarboxylase (EC 4.1.1.15) (I) [9024-58-2] and dopa decarboxylase (EC 4.1.1.26) (II) [9042-64-2] in mouse brain homogenates were inhibited after administration of methyldithiocarbazinate [5397-03-5] (45 mg/kg, i.p.), thiosemicarbazide [79-19-6] (100 mg/kg, i.p.), or 4-deoxypyridoxine-HCl (III) [148-51-6] (250 mg/kg, i.p.); addition of pyridoxal phosphate [54-47-7] abolished the inhibition. I activity was inhibited by allylglycine (IV) [3182-77-2] in vivo (200 mg/kg, i.p.) and in vitro whereas II activity was unaffected. III (250 mg/kg, i.p.) decreased brain GABA [56-12-2] levels, increased homovanillic acid [306-08-1] and 5-hydroxyindoleacetic acid [54-16-0] levels, and did not alter dopamine [51-61-6] and serotonin [50-67-9] levels. Brain GABA levels were decreased by IV while monoamine and monoamine metabolite levels were unchanged. Inhibition of II activity is not the primary or critical mechanism in the convulsant action of hydrazides and IV.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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: (S)-3-Methoxypyrrolidine, is researched, Molecular C5H11NO, CAS is 120099-61-8, about Discovery of β-Arrestin Biased, Orally Bioavailable, and CNS Penetrant Neurotensin Receptor 1 (NTR1) Allosteric Modulators.Electric Literature of C5H11NO.

Neurotensin receptor 1 (NTR1) is a G protein coupled receptor that is widely expressed throughout the central nervous system where it acts as a neuromodulator. Neurotensin receptors have been implicated in a wide variety of CNS disorders but despite extensive efforts to develop small mol. ligands there are few reports of such compounds Herein we describe the optimization of a quinazoline based lead to give 18 (SBI-553(I)), a potent and brain penetrant NTR1 allosteric modulator.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Synthesis of 3-pyridinols. III. Synthesis of pyridoxine skeletons from 4-methyloxazole》. Authors are Yoshikawa, Toru; Ishikawa, Fumiyoshi; Naito, Takeo.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.

Pyridoxine dimethyl ether (I) and 4-deoxypyridoxine (II) were synthesized from 4-methyloxazole (III). 3-Cyano-5-hydroxy-6-methylpyridine (IV) was converted via the 4-CN derivative (V) to pyridoxine by the method of Okamoto and Tani (CA 54, 22644d). (MeOCH2CHBr)2 (5.5 g.) refluxed 1 hr. with 1.23 g. KOH in 12 cc. MeOH gave 2.2 g. MeOCH2CBr:CHCH2OMe (VI), b12 75-8°. VI (5.5 g.) and 3.5 g. CuCN heated 7 hrs. at 150° in an autoclave yielded 2.9 g. MeOCH2CH:C(CN)CH2OMe (VII), b8 84-6°. III (0.8 g.), 2.1 g. VII, 0.2 cc. H2O, and 4 cc. AcOH heated 40 hrs. at 95°, and the crude product chromatographed on Al2O3 yielded 2-methyl-4,5-bis(methoxymethyl)-3-pyridinol-HCl (VIII.HCl), m. 143-4° (iso-PrOH); picrate m. 168°. III (0.80 g.), 2.3 g. MeCH:CHCO2Et, 0.18 cc. H2O, and 3 cc. AcOH heated 20 hrs. at 90° in a sealed tube gave 0.2 g. (crude) Et 5-hydroxy-4,6-dimethylnicotinate, m. 146-8° (Me2CO). VIII (80 mg.) in 15 cc. dry tetrahydrofuran treated 72 hrs. at room temperature with 50 mg. LiAlH4 in 15 cc. dry tetrahydrofuran, and the filtered mixture acidified to pH 2 with dilute HCl and evaporated gave II.HCl, m. 255-7° (decomposition) (EtOH). IV (4.0 g.) in 90 cc. AcOH heated 1 hr. at 100° with 6 cc. 30% H2O2, treated twice with addnl. 6 cc. 30% H2O2 each time 1 and 4 hrs. gave 3.3 g. 5hydroxy-6-methylnicotinonitrile 1-oxide (IX), m. 278-80° (decomposition). IX (0.7 g.) and 0.7 g. Et2SO4 heated 2 hrs. at 100-10° gave 0.31 g. 1-ethoxy-2-methyl-3-hydroxy-5-cyanopyridinium ethosulfate, m. 129-30°. IX (0.6 g.) and 0.55 g. Me2SO4 heated 2 hrs. at 100-10°, and the resulting sirup added in 5 cc. H2O dropwise with shaking at 5-7° to 0.65 g. KCN in 8 cc. H2O and kept 1.5 hr. at room temperature gave 0.55 g. V, m. 189-90°.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride(SMILESS: OC1=C(C)C(CO)=CN=C1C.[H]Cl,cas:148-51-6) is researched.Reference of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. The article 《Convulsive seizure induced by intracerebral injection of semicarbazide (an anti-vitamin B6) in the mouse》 in relation to this compound, is published in Journal of Nutritional Science and Vitaminology. Let’s take a look at the latest research on this compound (cas:148-51-6).

Intracerebral injection of semicarbazide-HCl (I) [563-41-7] was more effective than systemic administration in inducing convulsions and tremors in mice. The symptoms were prevented by pyridoxine [65-23-6], aminooxyacetic acid [645-88-5] and acetone [67-64-1], but were enhanced by pyridoxal [66-72-8], pyridoxal phosphate [54-47-7] and other anti-B6 agents. Smaller doses of I were required for induction of the symptoms in vitamin B6-deficient mice than in controls. I applied to the vicinity of the lambda caused running fits, followed by convulsions and tremors.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia