Month: March 2022

Birkinshaw, Timothy N.; Teague, Simon J.; Beech, Claire; Bonnert, Roger V.; Hill, Stephen; Patel, Anil; Reakes, Sara; Sanganee, Hitesh; Dougall, Iain G.; Phillips, Tim T.; Salter, Sylvia; Schmidt, Jerzy; Arrowsmith, Elizabeth C.; Carrillo, Juan J.; Bell, Fiona M.; Paine, Stuart W.; Weaver, Richard published an article about the compound: 4-Chloro-8-methylquinoline( cas:18436-73-2,SMILESS:CC1=C2N=CC=C(Cl)C2=CC=C1 ).Computed Properties of C10H8ClN. 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.

Starting with the weak agonist indomethacin, a series of potent, selective CRTh2(DP2) antagonists have been discovered as potential treatments for asthma, allergic rhinitis and other inflammatory diseases.

Here is a brief introduction to this compound(18436-73-2)Computed Properties of C10H8ClN, if you want to know about other compounds related to this compound(18436-73-2), you can read my other articles.

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 《β-Amino acids. IV. β-Methionine and β-ethionine》. Authors are Birkofer, Leonhard; Storch, Ingeborg.The article about the compound:2-Bromo-3-methoxypropanoic acidcas:65090-78-0,SMILESS:O=C(O)C(Br)COC).Safety of 2-Bromo-3-methoxypropanoic acid. Through the article, more information about this compound (cas:65090-78-0) is conveyed.

cf. C.A. 49, 2317d. HO2CCHAcCH2CO2Et and NaH gave the Na salt, which with ClCH2SMe yielded EtO2CAc(CH2SMe)CH2CO2Et (I), b3 153° (2,4-dinitrophenylhydrazone, m. 92-3°). Refluxed 10 hrs. with 18% HCl I gave AcCH(CH2SMe)CH2CO2H, isolated as the Et ester (II), b3 123° (2,4-dinitrophenylhydrazone, m. 62-3°), as well as AcC(:CH2)CH2CO2H (2,4-dinitrophenylhydrazone, m. 210°), and 3-acetyl-γ-butyrolactone (2,4-dinitrophenylhydrazone, m. 193°). I refluxed with HCl only 4 hrs. gave mono-Et 2-acetyl-2-(methylthiomethyl)succinate, b0.001 115-17° (2,4-dinitrophenylhydrazone, m. 169-70°). I was saponified with Ba(OH)2 to HO2CCH(CH2SMe)CH2CO2H, m. 114-15°. II and HN3 in the presence of HCl gave β-methionine (III), m. 197-8° (picrolonate, m. 190-2°; 3,5-dinitrobenzoyl derivative, m. 200°). MeSCH2CH:CHCO2H, m. 58.5°, obtained from MeSCH2CHO and CH2(CO2H)2 (IV), gave III with NH3 in a sealed tube at 150-60°. EtSNa, obtained from EtSH with Na, and bromoacetal gave EtSCH2CH(OEt)2, converted by HCl to the aldehyde, b14 45-6°, which with IV gave EtSCH2CH:CHCO2H, which with NH3 in a sealed tube yielded β-ethionine (V), m. 198° (picrolonate, m. 180-3°). III and V do not react with aqueous ninhydrin, but give a blue color with it in 95% BuOH-5% 2N HOAc.

Here is a brief introduction to this compound(65090-78-0)Safety of 2-Bromo-3-methoxypropanoic acid, if you want to know about other compounds related to this compound(65090-78-0), you can read my other articles.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Recommanded Product: 591-12-8. 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-Methylfuran-2(3H)-one, is researched, Molecular C5H6O2, CAS is 591-12-8, about Combined targeted and untargeted profiling of volatile aroma compounds with comprehensive two-dimensional gas chromatography for differentiation of virgin olive oils according to variety and geographical origin.

Comprehensive two-dimensional gas chromatog. with time-of-flight mass spectrometry (GC × GC-TOF-MS) was combined with conventional mono-dimensional GC-MS to differentiate Croatian virgin olive oils (VOO) according to variety and geog. origin, based on the profile of volatile aroma compounds isolated by HS-SPME. More than 1000 compounds were detected after untargeted profiling and 256 were identified or tentatively identified, providing one of the most detailed profiles of volatile aroma compounds in VOO up to date. Among them, 131 volatile compounds were significantly different across monovarietal VOOs, while 60 were found useful for the discrimination according to geog. origin. Many major lipoxygenase and minor non-lipoxygenase-generated compounds were shown to have discriminating ability with respect to both factors. Multivariate statistical anal. extracted twenty-one volatile markers with the highest discriminant power for varietal differentiation. The approach reported may have practical application in better understanding, defining, managing, and communicating the varietal or geog. typicity of monovarietal VOOs.

Here is a brief introduction to this compound(591-12-8)Recommanded Product: 591-12-8, if you want to know about other compounds related to this compound(591-12-8), you can read my other articles.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 65090-78-0. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2-Bromo-3-methoxypropanoic acid, is researched, Molecular C4H7BrO3, CAS is 65090-78-0, about New and alternate synthesis of lacosamide with chemoenzymatic method. Author is Gurunadham, G.; Madhusudhan, Raju R..

Lacosamide [(R)-2-acetamido-N-benzyl-3-methoxy propionamide] 5 is a novel antiepileptic drug. Lacosamide was prepared by a chem. method with enzymic resolution of racemic lacosamide. Herein is reported an expedient four-steps enantioselective synthesis of lacosamide 5 beginning with Me 2,3-dibromo propionate 1. A new resolution process catalyzed by Novozyme 435. The products were obtained in very good yields and in a state of high purity. All the newly synthesized compounds (2-5) were characterized by their spectral (IR, 1H NMR, C13 NMR and MS) data.

Here is a brief introduction to this compound(65090-78-0)Related Products of 65090-78-0, if you want to know about other compounds related to this compound(65090-78-0), you can read my other articles.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Safety of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, is researched, Molecular C8H12ClNO2, CAS is 148-51-6, about Untargeted Metabolomics Identifies Enterobiome Metabolites and Putative Uremic Toxins as Substrates of Organic Anion Transporter 1 (Oat1). Author is Wikoff, William R.; Nagle, Megha A.; Kouznetsova, Valentina L.; Tsigelny, Igor F.; Nigam, Sanjay K..

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.

Here is a brief introduction to this compound(148-51-6)Safety of 5-(hydroxymethyl)-2,4-dimethylpyridin-3-ol hydrochloride, if you want to know about other compounds related to this compound(148-51-6), you can read my other articles.

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 175277-33-5, 4-(Dimethoxymethyl)-2-methylpyrimidine, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Formula: C8H12N2O2, blongs to pyrimidines compound. Formula: C8H12N2O2

3N HClaq (30 mL, 90.00 mmol) was added to 4-(dimethoxymethyl)-2-methylpyrimidine (3 g, 17.84 mmol) at room teperature. The resulting solution was stirred at 50 C for 4 hours. The solvent was removed under reduced pressure to afford 2-methylpyrimidine-4- carbaldehyde (2.50 g, 88 %) as a red oil. ?H NMR (DMSO, 24 C, 400Hz) 2.81 (3H, s), 7.71(1H, d), 9.02 (1H, d), 9.93 (1H, s). mlz (ES+), [M+H]+ = 123.

The synthetic route of 175277-33-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ASTRAZENECA AB; WARD, Richard, Andrew; GRAHAM, Mark, Andrew; SWALLOW, Steven; JONES, Clifford, David; (282 pag.)WO2016/162325; (2016); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 17326-27-1, Adding some certain compound to certain chemical reactions, such as: 17326-27-1, name is 2-Chloro-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde,molecular formula is C10H7ClN2O2, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 17326-27-1.

To a stirred solution of G2 (1.0 mmol) in THF (2.0 mL) was added Et3N (2.0 mmol). The mixture was cooled to 0C. After 5 min, an amine (1.0 mmol) was added dropwise and the mixture was stirred at room temperature overnight. The reaction mixture was diluted with CH2C12 (10 mL) and washed with brine (10 mL). The organic layer was dried over anhydrous MgS04 and concentrated in vacuo. The crude product was purified by flash column chromatography to give G3.; 9-Methyl-4-oxo-2-(phenylamino)-4H-pyrido[l ,2-a1pyrimidine-3-carbaldehyde (132)NMR (400 MHz, CDC13) delta 2.44 (s, 3H), 6.89 (t, J- 6.8 Hz, 1H), 7.11 (t, J= 7.2 Hz, 1H), 7.34 (t, J= 7.6 Hz, 2H), 7.62 (d, J= 6.4 Hz, 1H), 7.76 (d, J= 8.0 Hz, 2H), 8.80 (d, J= 6.8 Hz, 1H), 10.27 (s, 1H), 1 1.67 (brs, 1H); 13C NMR (100 MHz, CDC13) delta 18.1 , 94.6, 1 13.6, 121.8, 124.2, 125.9, 128.7, 133.6, 138.1, 138.9, 152.5, 153.8, 160.2, 190.2.

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 17326-27-1, 2-Chloro-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; INSTITUT PASTEUR KOREA; INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) (EPST); NO, Zaesung; KIM, Jaeseung; BRODIN, Priscille; SEO, Min Jung; PARK, Eunjung; CECHETTO, Jonathan; JEON, Heekyoung; GENOVESIO, Auguste; LEE, Saeyeon; KANG, Sunhee; EWANN, Fanny, Anne; NAM, Ji, Youn; FENISTEIN, Denis, Philippe, Cedric; CHRISTOPHE, Thierry; CONTRERAS DOMINGUEZ, Monica; KIM, EunHye; HEO, Jamung; WO2011/85990; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 163263-91-0 , The common heterocyclic compound, 163263-91-0, name is 2,4-Dichloro-6-(4-methoxyphenyl)pyrimidine, molecular formula is C11H8Cl2N2O, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

To a solution of 2,4-dichloro-6-(4-methoxyphenyl)pyrimidine (1.01 g, 3.92 mmol) and (+/-)-trans-methyl 3-aminobicyclo[2.2.2]octane-2-carboxylate (1.02 g, 5.88 mmol) in DMF (20 mL) was added potassium carbonate (0.81 g, 5.88 mmol), and the mixture was stirred at 50 C overnight. To the reaction mixture was added water (70 mL), and the resulting mixture was extracted with ethyl acetate (100 mL x 3). The combined organic layers were washed with saturated brine (150 mL), dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated in vacuo to dry and the residue was purified by silica gel column chromatography (n-hexane/EtOAc (v/v) = 20/1-5/1) to give the title compound as a white solid (1.01 g, 64%).MS (ESI, pos. ion) m/z: 402.2 [M+H]?H NIVIR (400 MHz, CDC13) (ppm): 7.98 (d, J= 8.7 Hz, 2H), 6.98 (d, J= 8.9 Hz, 2H), 6.72 (s, 1H), 5.46 (d, J= 6.3 Hz, 1H), 4.32 (s, 1H), 3.88 (s, 4H), 3.74 (s, 3H), 2.39 (d, J= 5.1 Hz, 1H),2.08 (s, 1H), 1.90 – 1.84 (m, 1H), 1.78 – 1.71 (m, 2H), 1.70 – 1.63 (m, 4H), 1.58 (d, J= 10.2 Hz, 2H).

The synthetic route of 163263-91-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SUNSHINE LAKE PHARMA CO., LTD.; REN, Qingyun; TANG, Changhua; YIN, Junjun; YI, Kai; LEI, Yibo; WANG, Yejun; ZHANG, Yingjun; (215 pag.)WO2018/127096; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 890094-38-9, 2-Chloro-N-isopropyl-5-nitropyrimidin-4-amine, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Product Details of 890094-38-9, blongs to pyrimidines compound. Product Details of 890094-38-9

4-amino-3-methoxy-N-(4-methylpiperazin-1-yl)benzamide(5.3g) was added to a solution of Compound 2-3(4.3g) in n-butanol(150ml). The mixture was reacted at 90C for 4.5 hours, cooled to room temperature, filtered, washed and dried to obtain a yellow solid(6.8g) in a yield of 77.1%. 1H NMR(400 MHz, DMSO-d6): delta 9.13(s, 1H), 8.38(d, J=6.8Hz, 1H), 7.93(m, 1H), 7.63(d, J=8.0Hz, 1H), 7.46(m, 1H), 7.08(m, 1H), 7.01(m, 1H), 4.31(m, 1H), 3.86(s, 3H), 3.55(br,4H), 2.52(br, 4H), 2.32(s, 3H), 1.24(d, J=6.4Hz, 6H)ppm.

The synthetic route of 890094-38-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Si Chuan University; CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.; YANG, Shengyong; WEI, Yuquan; EP2578584; (2013); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Reference of 1192064-63-3, Adding some certain compound to certain chemical reactions, such as: 1192064-63-3, name is 2,5-Dichloro-4-methylpyrimidine,molecular formula is C5H4Cl2N2, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 1192064-63-3.

A sealed tube was charged with a stir bar, 4-[5-(3-amino-5-methylphenyl)-l,3-thiazol-2- yl]-l,4-diazepan-2-one (Intermediate XX, 75 mg, 0.25 mmol). 2,5-dichloro-4-methylpyrimidine (40 mg, 0.25 mmol), potassium carbonate (69 mg, 0.50 mmol), Pd2(dba)3 (23 mg, 0.025 mmol), and XPhos (59 mg, 0.124 mmol). The tube was evacuated and backfilled with argon three times. Fully degassed t-amyl alcohol (0.83 ml) was added and the tube was sealed and heated at 90 C for overnight. The resulting slurry was diluted with methanol, absorbed onto 1.5 g of silica, and purified via silica gel chromatography (0-20% methanol in ethyl acetate) to afford 54 mg (0.126 mmol, 51 % yield) of 4-(5-{3-[(5-Chloro-4-methylpyrimidin-2-yl)amino]-5-methylphenyl}-l,3- thiazol-2-yl)-l ,4-diazepan-2-one as a yellow solid. MS APCI: [M+H]+ m/z 429.1. 1H NMR (500 MHz, dmso) delta 9.73 (s, 1H), 8.42 (s, 1H), 7.74 (s, 1H), 7.59 (t, J = 5.0Hz, 1H), 7.46 (s, 1H), 7.37 (s, 1H), 6.91 (s, 1H), 4.16 (s, 2H), 3.78 (m, 2H), 3.21 (m, 2H), 2.44 (s, 3H), 2.26 (s, 3H), 1.78 (m, 2H). rhSyk = +++

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 1192064-63-3, 2,5-Dichloro-4-methylpyrimidine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; MERCK SHARP & DOHME CORP.; MERCK CANADA INC.; ALTMAN, Michael, D.; ARRINGTON, Kenneth, L.; BURCH, Jason; COTE, Bernard; FOURNIER, Jean-Francois; GAUTHIER, Jacques, Yves; KATTAR, Solomon; KNOWLES, Sandra Lee; LIM, Jongwon; MACHACEK, Michelle, R.; NORTHRUP, Alan, B.; REUTERSHAN, Michael, H.; ROBICHAUD, Joel, S.; SCHELL, Adam, J.; SPENCER, Kerrie, B.; WO2011/75560; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia