Category: 148-51-6

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).Electric Literature of C8H12ClNO2. 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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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Compounds affecting fertility in adult houseflies》. Authors are LaBrecque, G. C.; Gouck, H. 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).Name: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. Through the article, more information about this compound (cas:148-51-6) is conveyed.

Of 1100 compounds that were tested, 20 caused sterility in adult Musca domestica when given in the food. P,P-Bis(1-aziridinyl)-N-(p-methoxyphenyl)phosphinic amide, 5-fluoroorotic acid, and 1,4-piperazinediylbis[bis(1-aziridinyl)phosphinic oxide] induced sterility without apparent toxic effect over the broadest range of concentrations, from 5% to 0.1% or 0.25%.

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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, Journal fuer Praktische Chemie (Leipzig) called Synthetic and natural phellandrene., Author is Kondakow, J.; Schindelmeiser, J., which mentions a compound: 148-51-6, SMILESS is OC1=C(C)C(CO)=CN=C1C.[H]Cl, Molecular C8H12ClNO2, Safety of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride.

[Machine Translation of Descriptors]. Carvomenthene, from carvomenthylchloride represented, became after REYCHLER into tertiary carvomenthol and over with 12 mm and 83.5-84.5° boiling. Chloride, D204; 0.932, into tertiary carvomenthene, C10H18, transferred. Boiling point 174-176°; D204; 0.811; nD = 1.45709, molecular refraction 46.23. Dibromide, under strong cooling in petroleum-ether prepared, Kp11; 130-144°. D204; 1.208, optical-inactively, separates no HBr, however alcoholic KOH supplies a hydrocarbon, from the main quantity with 175-180° with boiling D204; 0.825, nD = 1.46693, the smaller part with 180-185°. D204; 0.828, nD = 1.4673; molecular refraction 45.56. Both optical-inactive fractions color intensively raspberry red in a solution of acetic anhydride by H2SO4 and are undoubtedly different from the output hydrocarbon. Under consideration of the formation of the new hydrocarbon from carvomenthol author writes it from SEMMLER, (Ber. German Chem. Society 36. 1779; C. 1903. II. 116) for the phellandrene determined constitution without being able to prove the identity. Phellandrene from phellandrum aquaticum, boiling point 165-168°, D204; 0.844, nD = 1.47575, [α] D20 = 8° 37′. Molecular refraction a mixture of monochloride and dichloride gives 45.28, which probably contains an optical-inactive isomer, with HCl in glacial acetic acid. Monochloride, C10H17Cl, Kp11; 86°, melting point about 110° in the melted out tube, optically dextrorotatory. Dichloride, C10H18Cl2, Kp16; 122.5-125°, D204, 1.006, nD20 = 1.48516.

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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, Article, Brain Research called Convulsive effects of 4-deoxypyridoxine and of bicuculline in photosensitive baboons (Papio papio) and in rhesus monkeys (Macaca mulatta), Author is Meldrum, B. S.; Horton, R. W., the main research direction is pyridoxine antagonist convulsant; bicuculline convulsant; aminobutyrate neurotransmitter epilepsy.Reference of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride.

4-Deoxypyridoxine HCl (I) [148-51-6] administered i.v. at 40-100 mg/kg enhanced the natural syndrome of photosynthetic epilepsy in baboons and increased the severity of photically-induced myoclonus so that it progressed to a tonic-clonic seizure. In subconvulsive doses I provoked epileptic afterdischarges in the occipital cortex of monkeys exposed to photic stimulation. In both species I at 100-150 mg/kg induced spontaneous seizures which originated unilaterally in the occipital cortex and began with a horizontal nystagmus. When the occipital discharges no longer generalized, the animals had a normal electroencephalogram. A 4:1 excess of pyridoxine [65-23-6] in baboons blocked the increase in photically-induced responses and drug-induced seizures. Bicuculline (II) [485-49-4] administered i.v. at 0.1-0.4 mg/kg induced generalized seizures in both species, and at 0.3-0.6 mg/kg induced prolonged (150-300 min) seizures characterized by sustained myoclonic activity and relative absence of episodes of postictal silence in baboons. At 0.1-0.3 mg/kg II sometimes caused a brief myoclonic jerk associated with frontorolandic spikes and waves. There seem to be 2 inhibitory systems which differ in their pharmacol. responsiveness but both probably involve γ-aminobutyric acid [56-12-2] as the neurotransmitter. One system seems to be intracortical and its functional failure causes occipital discharges and spontaneous seizures after administration of the pyridoxine antagonists. The other is probably a collateral inhibitory system within the pathways afferent to the somatomotor cortex.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《The relation between iodine-131 metabolism, tumor growth, and regression》. Authors are Scott, Kenneth G.; Daniels, Marie B..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).Product Details of 148-51-6. Through the article, more information about this compound (cas:148-51-6) is conveyed.

Ability of tumors to alter the normal metabolic pathway of I131 and compounds labeled with it (iodide-trapping syndrome) (I) is characterized by higher than normal retention of I131 by skin, muscle, gastrointestinal tract, and plasma, and a lower than normal thyroid uptake and urinary excretion of I131. I was elicited in rats by isografts and homografts of a transmissible fibrosarcoma, but not by homoiografts (which regressed after 5-7 days of growth). The data suggest that local and systemic I parallels progressive tumor growth and is absent in tumor implants destined to regress.

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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.Application of 1193-62-0. The article 《Transmitter synthesis and convulsant drugs: effects of pyridoxal phosphate antagonists and allylglycine》 in relation to this compound, is published in Biochemical Pharmacology. Let’s take a look at the latest research on this compound (cas:148-51-6).

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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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《The inhibition of growth of sarcoma 180 by combinations of vitamin B6 antagonists and acid hydrazides》. Authors are Brockman, R. Wallace; Thomson, J. Richard; Schabel, Frank M. Jr.; Skipper, Howard E..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).Recommanded Product: 148-51-6. Through the article, more information about this compound (cas:148-51-6) is conveyed.

Deoxypyridoxine-HCl (I) and deoxypyridoxine phosphate (II) significantly restricted growth of sarcoma 180 in mice on a diet deficient in vitamin B6 (III), but not in mice on a complete diet. Many compounds of the acid hydrazide type also restricted growth of the sarcoma on a diet deficient in III, but none except 1,5-diaminobiuret at high dosage levels affected the tumor in mice on a complete diet. Combinations of II with acid hydrazides were more inhibitory to the tumor in mice on a complete diet than were combinations of I with acid hydrazides. The same combinations given to mice deficient in III resulted in severe restriction of tumor growth. Vitamins of the III group, i.e., pyridoxine-HCl, pyridoxamine-HCl, pyridoxal-HCl, and pyridoxal phosphate (IV), almost completely prevented the tumor-inhibiting effect of the combinations. Spectrophotometric studies demonstrated ability of the representative acid hydrazides to react with IV. The observed ability of acid hydrazides to enhance the inhibition of sarcoma 180 produced by III-deficiency and III-antagonists is attributed to formation of an inactive conjugate between the acid hydrazides and IV.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ) is researched.Electric Literature of C8H12ClNO2.Patzer, Emmons M.; Hilker, Doris M. published the article 《New reagent for vitamin B6 derivative formation in gas chromatography》 about this compound( cas:148-51-6 ) in Journal of Chromatography. Keywords: vitamin B6 gas chromatog; pyridoxine trifluoroacetamide derivative gas chromatog. Let’s learn more about this compound (cas:148-51-6).

Gas-chromatog. separation of 4 vitamin B6 derivatives consisted of converting them into hemiacetals with EtOH, refluxing at 125° for 15 min, evaporating the excess EtOH at 70° under N, and adding the new reagent N-methylbistrifluoroacetamide [685-27-8], followed by refluxing at 125° for 20 min and injecting the samples onto a column packed with 5% silicone oil on Chromosorb P and using flame ionization detection. The compounds derivatized were pyridoxine-HCl (I) [58-56-0], pyridoxamine-di-HCl [524-36-7], deoxypyridoxine-HCl [148-51-6] and pyridoxal-HCl [65-22-5]. The min. detectable amount is ∼250 ng. The procedure is rapid, clean, and simple.

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Product Details of 148-51-6. 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: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, is researched, Molecular C8H12ClNO2, CAS is 148-51-6, about Seizures induced by allylglycine, 3-mercaptopropionic acid, and 4-deoxypyridoxine in mice and photosensitive baboons, and different modes of inhibition of cerebral glutamic acid decarboxylase. Author is Horton, R. S.; Meldrum, B. S..

The title drugs caused seizures in mice (i.p.) and baboons (i.v.) and, at subconvulsant levels, enhanced photo-induced seizures in baboons. Addition of pyridoxal phosphate [54-47-7] to mouse brain homogenate relieved inhibition of L-glutamate 1-carboxylase [9074-87-7] by 4-deoxypyridoxine-HCl [148-51-6] but not by DL-allylglycine [7685-44-1]. 3-Mercaptopropionic acid [107-96-0] was the most powerful competitive inhibitor of the enzyme.

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Nam, Tae-gyu; Ku, Jin-Mo; Rector, Christopher L.; Choi, Hoyoung; Porter, Ned A.; Jeong, Byeong-Seon published the article 《Pyridoxine-derived bicyclic aminopyridinol antioxidants: synthesis and their antioxidant activities》. Keywords: bicyclic aminopyridinol derivative preparation antioxidant activity.They researched the compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ).COA of Formula: C8H12ClNO2. 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:148-51-6) here.

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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