Tag: M.W:100-200

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, Khimiko-Farmatsevticheskii Zhurnal called Amino derivatives of pyridoxine and its analogs, Author is Yakovleva, N. L.; Balyakina, M. V.; Gunar, V. I., which mentions a compound: 148-51-6, SMILESS is OC1=C(C)C(CO)=CN=C1C.[H]Cl, Molecular C8H12ClNO2, Related Products of 148-51-6.

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).

Here is just a brief introduction to this compound(148-51-6)Related Products of 148-51-6, 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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Application of 148-51-6. 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. Compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, is researched, Molecular C8H12ClNO2, CAS is 148-51-6, about Anticoccidal agents. IV. Modification at the 5-position of 4-deoxypyridoxol and α4-norpyridoxol.

In an attempt to relate structure to anticoccidial activity, a number of 5-modified analogs of 4-deoxypyridoxol (I) and α4-norpyridoxol (II) have been synthesized and their biol. activities examined The compounds prepared include the 5-(3-hydroxypropyl), 5-(2-hydroxyethyl), 5-(1-hydroxyethyl), formyl and acetyl analogs of I, and 5-(3-hydroxypropyl), formyl, ethoxycarbonyl, carbamoyl and hydroxyl analogs of II. Among these compounds, 4-deoxyisopyridoxal (III) and α4-norisopyridoxal (IV) exhibited anticoccidil activity.

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Pyrimidine | C4H4N2 – PubChem,
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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.Singh, R. P.; Korytnyk, W. researched the compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ).Application In Synthesis of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride.They published the article 《Pyridoxine chemistry. VII. Some modifications in the 4-position of pyridoxol》 about this compound( cas:148-51-6 ) in Journal of Medicinal Chemistry. Keywords: ANTIMETABOLITES; CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; PYRIDINES; PYRIDOXINE; SACCHAROMYCES. We’ll tell you more about this compound (cas:148-51-6).

cf. preceding abstract Derivatives of I were prepared by treatment of 2,2,8-trimethyl-4H-m-dioxino[4,5-c]pyridine-5-methanol benzoate with HCl. I (R = OH) refluxed with SOCl2 and the residue treated with EtOH produced I (R = Cl). The catalytic (C) hydrogenation of I (R = Cl) afforded I (R = H). I (R = H) refluxed in KOH gave 4-deoxypyridoxine (II). I (R = Cl) stirred with Na2S2O5 produced I (R = SO3H). KCNS refluxed with I (R = Cl) gave I (R = SCN). Similarly, I (R = Cl) stirred with NaHS gave I (R = SH). I (R = H) was as active and I (R = SO3H) one-half as active as II in depressing lymphocyte count in rats fed a pyridoxine deficient diet, while the other reported derivatives were inactive. None of the other compounds inhibited the growth of Saccharomyces carlsbergensis. Cf. Schmidt, and Giesselmann, CA 58, 1429d.

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Pyrimidine | C4H4N2 – PubChem,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Synthesis of 4-aminopiperidine》. Authors are Yakhontov, L. N.; Yatsenko, S. V.; Rubtsov, M. V..The article about the compound:Piperidin-4-amine dihydrochloridecas:35621-01-3,SMILESS:NC1CCNCC1.[H]Cl.[H]Cl).Product Details of 35621-01-3. Through the article, more information about this compound (cas:35621-01-3) is conveyed.

Hydrogenation of 4-aminopyridine in alc. HCl over Pt at room temperature and 80 atm. H gave 16.5% 4-aminopiperidine-2HCl (I), m. 331-3° (picrate m. 245°). Hydrogenation of isonicotinic hydrazide in 4% HCl over Pt at room temperature gave 76% isonipecotinic hydrazide-2HCl, m. 240-2°. This treated with NaNO2 at -5°, then concentrated, and the resulting precipitate extracted with hot EtOH gave after refluxing 6 hrs. further with concentrated HCl 35% 4-aminopiperidine, isolated as HCl salt identical with the above. Hydrogenation of isonicotinic acid-HCl in 4% HCl over Pt gave isonipecotinic acid-HCl, decompose 299°, which treated with NaN3 in the presence of H2SO4 in C6H6 at 40° gave after aqueous treatment with NaOH 66% 4-aminopiperidine, isolated as HCl salt. Isonipecotinic acid HCl salt (II) and HN3 in H2SO4 and C6H6 gave at 80° 62% 4-aminopiperidine HCl salt. Refluxing II with NaO2CH and HCO2H 3 hrs. gave 44% 1-formylisonipecotinic acid, m. 136-38°. Heating I with HCO2Na in HCONH2 7 hrs. gave after aqueous treatment 62.5% 1-formyl-4-formamidopiperidine, m. 77-9°.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2-Bromo-3-methoxypropanoic acid, is researched, Molecular C4H7BrO3, CAS is 65090-78-0, about Tailored Synthesis of Skeletally Diverse Stemona Alkaloids through Chemoselective Dyotropic Rearrangements of β-Lactones, the main research direction is stemona alkaloid synthesis chemoselective dyotropic rearrangement lactone; alkaloids; dyotropic rearrangement; natural products; photoredox catalysis; total synthesis.Quality Control of 2-Bromo-3-methoxypropanoic acid.

The collective synthesis of skeletally diverse Stemona alkaloids featuring tailored dyotropic rearrangements of β-lactones as key elements is described. Specifically, three typical 5/7/5 tricyclic skeletons associated with stemoamide, tuberostemospiroline and parvistemonine were first accessed through chemoselective dyotropic rearrangements of β-lactones involving alkyl, hydrogen, and aryl migration, resp. By the rational manipulation of substrate structures and reaction conditions, these dyotropic rearrangements proceeded with excellent efficiency, good chemoselectivity and high stereospecificity. Furthermore, several polycyclic Stemona alkaloids, including saxorumamide, isosaxorumamide, stemonine and bisdehydroneostemoninine (I – IV, resp.), were obtained from the aforementioned tricyclic skeletons through late-stage derivatizations. A novel visible-light photoredox-catalyzed formal [3+2] cycloaddition was also developed, which offers a valuable tool for accessing oxaspirobutenolide and related scaffolds.

Compound(65090-78-0)Quality Control of 2-Bromo-3-methoxypropanoic acid received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(2-Bromo-3-methoxypropanoic acid), if you are interested, you can check out my other related articles.

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Pyrimidine – Wikipedia

Korodi, Ferenc published an article about the compound: 4-Chloro-8-methylquinoline( cas:18436-73-2,SMILESS:CC1=C2N=CC=C(Cl)C2=CC=C1 ).Quality Control of 4-Chloro-8-methylquinoline. 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:18436-73-2) through the article.

Synthesis of 4-(1H-1,2,4-triazol-1-yl)quinolines by the reaction of 4-chloroquinolines with 1,2,4-triazole was studied under neutral, acidic and basic reaction conditions. The significant role of acid and base catalysis as well as substituent effects on the reactivity of 4-chloroquinolines in these reactions are reported.

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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.Gupta, S. R.; Prasanna, H. R.; Viswanathan, L.; Venkitasubramanian, T. A. researched the compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride( cas:148-51-6 ).Formula: C8H12ClNO2.They published the article 《Synthesis of aflatoxins by the non-growing mycelia of Aspergillus parasiticus and the effect of inhibitors》 about this compound( cas:148-51-6 ) in Journal of General Microbiology. Keywords: aflatoxin formation metabolic inhibitor; Aspergillus aflatoxin formation. We’ll tell you more about this compound (cas:148-51-6).

Aflatoxins were synthesized by nongrowing mycelia of A. parasiticus, the amount and type (B or G) being dependent on the buffer used in the suspension medium. Incorporation of acetate-14C into aflatoxin was decreased by compounds that inhibit ATP production or interfere with the utilization of certain amino acids. In contrast, the specific activities of aflatoxins were increased by compounds that diverted acetate from metabolic pathways other than those leading to aflatoxin formation.

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,
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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 of Economic Entomology called Compounds affecting fertility in adult houseflies, Author is LaBrecque, G. C.; Gouck, H. K., which mentions a compound: 148-51-6, SMILESS is OC1=C(C)C(CO)=CN=C1C.[H]Cl, Molecular C8H12ClNO2, HPLC of Formula: 148-51-6.

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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Pyrimidine | C4H4N2 – PubChem,
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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, Nippon Kagaku Kaishi (1921-47) called Synthesis of hydroxyamino acids and N-methyl derivatives. III. Synthesis of DL-serine and N-methylserine, Author is Izumiya, Nobuo, which mentions a compound: 65090-78-0, SMILESS is O=C(O)C(Br)COC, Molecular C4H7BrO3, Name: 2-Bromo-3-methoxypropanoic acid.

cf. C.A. 45, 4656e. Exptl. procedures for the synthesis of DL-serine and N-methylserine from CH2:CHCO2H (I) are described. I (14.4 g.) added to 14 g. Hg(OAc)2 in 300 cc. of MeOH, and gave after 2 days 54 g. α-acetoxymercuri-β-methoxypropionic acid, m. 200-4°; to this in 200 cc. water and 36 g. KBr, in direct sunlight, was added dropwise 32 g. Br and 36 g. KBr in 60 cc. water; extraction of the mixture with ether after addition of 33 cc. 48% HBr gave 37 g. crude α-bromo-β-methoxypropionic acid (II), b4 92-5°. Aqueous NH3 with 37 g. II gave the α-amino acid (III), decompose 233-4°, in 34% yield (based on I); Cu salt, C8H16O6N2Cu, scarcely soluble in water; phenylurea, MeOCH2CH(NHCONHPh)CO2H, m. 171-2°; N-(p-tolylsulfonyl) derivative (IV), m. 139-41°. Serine was obtained by boiling crude III with 48% HBr (yield 41%, based on I). Heating IV with MeI and 2 N NaOH 1 hr. in a sealed tube at 70° gave β-methoxy-α-[methyl(p-tolylsulfonyl)amino]propionic acid (V), C12H17O5NS, m. 92°. Heating crude 3.7 g. II and 35% 9 cc. MeNH2 4 hrs. in a sealed tube at 100° gave 0.74 g. β-methoxy- α-(methylamino)propionic acid (VI), m. 233° (decomposition); picrolonate, C15H19O8N5, m. 120-1° (decomposition); Cu salt, C10H20O6N2Cu.3H2O, m. 234° (decomposition). The crude product from II and MeNH2 gave with 48% HBr N-methylserine, m. 203-4° (decomposition), 30% yield (based on I); picrolonate, C14H17O8N5, m. 130-4° (decomposition); Cu salt, C8H16O6N2Cu, m. 197-8° (decomposition). VI was also obtained by hydrolysis of V with concentrated HCl.

Here is just a brief introduction to this compound(65090-78-0)Name: 2-Bromo-3-methoxypropanoic acid, more information about the compound(2-Bromo-3-methoxypropanoic acid) is in the article, you can click the link below.

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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.Name: 2-Bromo-3-methoxypropanoic acid. The article 《Untargeted Metabolomics Identifies Enterobiome Metabolites and Putative Uremic Toxins as Substrates of Organic Anion Transporter 1 (Oat1)》 in relation to this compound, is published in Journal of Proteome Research. Let’s take a look at the latest research on this compound (cas:148-51-6).

Untargeted metabolomics on the plasma and urine from wild-type and organic anion transporter-1 (Oat1/Slc22a6) knockout mice identified a number of physiol. important metabolites, including several not previously linked to Oat1-mediated transport. Several, such as indoxyl sulfate, derive from Phase II metabolism of enteric gut precursors and accumulate in chronic kidney disease (CKD). Other compounds included vitamins (pantothenic acid, 4-pyridoxic acid), urate, and metabolites in the tryptophan and nucleoside pathways. Three metabolites, indoxyl sulfate, kynurenine, and xanthurenic acid, were elevated in the plasma and interacted strongly and directly with Oat1 in vitro with IC50 of 18, 12, and 50 μM, resp. A pharmacophore model based on several identified Oat1 substrates was used to screen the NCI database and candidate compounds interacting with Oat1 were validated in an in vitro assay. Together, the data suggest a complex, previously unidentified remote communication between the gut microbiome, Phase II metabolism in the liver, and elimination via Oats of the kidney, as well as indicating the importance of Oat1 in the handling of endogenous toxins associated with renal failure and uremia. The possibility that some of the compounds identified may be part of a larger remote sensing and signaling pathway is also discussed.

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Pyrimidine | C4H4N2 – PubChem,
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