Tag: M.W:200-300

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 956317-36-5, name is 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid

To a suspension of 5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoicacid (2.0 g, 9.84 mmol) in CHCl3 (20 mL) was added SOCl2(1.1 mL, 14.8 mmol) at 0 C. The reaction mixture was heated toreflux for 1 h. After standing until cooled to room temperature,the solvent in the reaction mixture was distilled off under reducedpressure. TEA (2.7 mL, 19.7 mmol) and 2-(ethylamino)ethanol(1.2 mL, 10.8 mmol) were then added to a solution of the residueobtained in the previous step in CHCl3 (20 mL) at 0 C. The solutionwas stirred for 16 h at room temperature. An aqueous NaHCO3solution and water were added to the reaction mixture, followed by extraction with CHCl3. The organic layer was washed with brineand was dried over MgSO4. The desiccant was then removed by filtration,and the solvent was distilled off under reduced pressure.The obtained residue was purified by column chromatography(20-80% EtOAc in hexanes) to yield the title compound 7 as a colorlessoil (2.4 g, 89%).

According to the analysis of related databases, 956317-36-5, the application of this compound in the production field has become more and more popular.

Reference:
Article; Suzuki, Ryo; Nozawa, Dai; Futamura, Aya; Nishikawa-Shimono, Rie; Abe, Masahito; Hattori, Nobutaka; Ohta, Hiroshi; Araki, Yuko; Kambe, Daiji; Ohmichi, Mari; Tokura, Seiken; Aoki, Takeshi; Ohtake, Norikazu; Kawamoto, Hiroshi; Bioorganic and Medicinal Chemistry; vol. 23; 6; (2015); p. 1260 – 1275;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Synthetic Route of 7411-23-6, The chemical industry reduces the impact on the environment during synthesis 7411-23-6, name is 3,5-Dibromo-1H-1,2,4-triazole, I believe this compound will play a more active role in future production and life.

In a 50 mL round bottomed flask, 3,5-dibromo-1H-1,2,4-triazole (lnt-1, 500 mg, 2.2 mmol) was dissolved in DMF (8 mL) and potassium carbonate (680 mg, 4.87 mmol) was added. After stirring for 20 min at room temperature, 2,2,3,3, 3-pentafluoropropyl trifluoromethanesulfonate (705 mg, 414 mu, 2.42 mmol) was added and the reaction mixture was stirred for 20 h at room temperature. After that, it was concentrated in vacuo, the residue was purified by column chromatography (silica gel, 50 g, eluting with ethyl acetate / n-heptane, gradient 20:80 to 50:50 v/v) to yield the title compound as white solid (409 mg, 52%). HPLC (methodLCMS_fastgradient) tR= 1.11 min. 1H NMR (CDCl3, 300 MHz): delta 4.78 (t, J = 13.4 Hz, 2 H). MS (ES+) mJz 357.9, 359.9, 361.9 [M+H, 2 Br isotopes].

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, 3,5-Dibromo-1H-1,2,4-triazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; BARTELS, Bjoern; BERCHTOLD, Stefan; GALLEY, Guido; GOERGLER, Annick; JAKOB-ROETNE, Roland; KRUMMENACHER, Daniela; LIMBERG, Anja; NEIDHART, Werner; RATNI, Hasane; REUTLINGER, Michael; RODRIGUEZ SARMIENTO, Rosa Maria; SCHNIDER, Christian; (309 pag.)WO2018/87018; (2018); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 25537-64-8, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 25537-64-8, name is 4,5-Dibromo-1-methyl-1,2,3-triazole, This compound has unique chemical properties. The synthetic route is as follows.

The 2.0g (8.30mmol) 1- methyl-4,5-dibromo -1H-1,2,3- triazole was dissolved in 15ml of tetrahydrofuran, cooled to -10 deg.] C, was added dropwise 4.77ml (9.55mmol) 2.0 M isopropylmagnesium chloride / tetrahydrofuran solution (commercially available, concentration 2.0M), 15ml of hydrochloric acid, using 20ml methyl tertiary butyl ether, and the extract was dried over anhydrous magnesium sulfate and concentrated under reduced pressure to 5ml, it was cooled to 0-5 crystallization, filtration, 40 dried in vacuo to give 4-bromo-1-methyl -1H-1,2,3- triazole 1.55 g, yield 90%

The chemical industry reduces the impact on the environment during synthesis 4,5-Dibromo-1-methyl-1,2,3-triazole. I believe this compound will play a more active role in future production and life.

Reference:
Patent; The Haiya Chemical Co., Ltd.; Jiang, Yueheng; Que, Limin; Xu, Jun; Qin, Dongguang; Cai, Tong; (17 pag.)CN105585534; (2016); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 7411-23-6 as follows. Application In Synthesis of 3,5-Dibromo-1H-1,2,4-triazole

A Compound WX122-1 (4 g) was dissolved in DMF (100 ml) and the resulting solution was cooled down to0C. NaH (846.3mg) was added in batch. Gas was generated during the process, and after 0.5 hour, MeI (2.6 grams)was added dropwise into the reaction solution which was slowly heated to 25C namely room temperature and stirredfor 12 hours. The reaction solution was poured into a saturated ammonium chloride solution (300ml), and extracted withethyl acetate (50ml33), and the organic phase was washed with a saturated sodium chloride solution (100ml). Theorganic phases were mixed and dried with anhydrous sodium sulfate, filtered, and concentrated under the reducedpressure. This compound was used directly in the next step and did not require purification. ESI m/z: [M+H]+= 242.

According to the analysis of related databases, 7411-23-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Shandong Danhong Pharmaceutical Co., Ltd.; LUO, Zhi; LI, Xiaolin; YANG, Yaxun; YANG, Lele; LI, Peng; HE, Haiying; LI, Jian; CHEN, Shuhui; (155 pag.)EP3626699; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 88671-89-0, The chemical industry reduces the impact on the environment during synthesis 88671-89-0, name is 2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(4-chlorophenyl)hexanenitrile, I believe this compound will play a more active role in future production and life.

EXAMPLE 157 (Procedure B) 2-(4-chlorophenyl)-2-[(1,2,4-triazol-1-yl)methyl]hexanoamide To a 500 mL flask was charged 75.0 g (0.24 mole) of alpha-n-butyl-alpha-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile followed by 300 mL of 95% sulfuric acid. The mixture was stirred at 90 C. for 7 days after which the mixture was cooled to room temperature, diluted with ice and neutralized with ammonium hydroxide until basic (pH 8). The product was extracted with ethylene dichloride then washed with water and dried over magnesium sulfate. The solvent was concentrated and gave 45 g (56.5% yield) of a solid, Example 157 of Table 1.

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, 2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(4-chlorophenyl)hexanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Rohm and Haas Company; US5264415; (1993); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 956317-36-5, name is 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below. SDS of cas: 956317-36-5

General procedure 9Ar2-COOH (1 eq; prepared according to WO 2008147518 for compounds 49-51 ), HOBT (1 eq) and EDCI. HCI (1.5eq) dissolved in dichloromethane (5ml/mmol) were stirred at 25 C for 0.5-2hours, then intermediates 67-68 dissolved in dichloromethane were added. After 18 hours the mixture was poured in an aqueous saturated solution of NaHCO3 and extracted with dichloromethane. The crude was purified by silica gel column chromatography (DCM to DCIWMeOH = 9/1 )

The synthetic route of 956317-36-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ROTTAPHARM S.P.A.; STASI, Luigi, Piero; ROVATI, Lucio; WO2011/6960; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 956317-36-5, The chemical industry reduces the impact on the environment during synthesis 956317-36-5, name is 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid, I believe this compound will play a more active role in future production and life.

To a solution of 2-(2H-l,2,3-triazol-2-yl)-5-methylbenzoic acid (15, 3.56 g, 17.52 mmol) in DCM (150 mL) cooled to 0 C was added oxalyl chloride (1.90 mL, 21.9 mmol) and DMF (68 ??, 0.89 mmol). The solution was slowly warmed to ambient temperature and stirred overnight. The mixture was concentrated in vacuo and the resulting solid was azeotroped with DCM and concentrated in vacuo to provide 5-methyl-2-(2H-l,2,3-triazol-2-yl)benzoyl chloride (3) as a yellow solid

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, 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; MERCK SHARP & DOHME CORP.; KUDUK, Scott, D.; DI MARCO, Christina; WO2013/59163; (2013); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 956317-36-5, A common heterocyclic compound, 956317-36-5, name is 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid, molecular formula is C10H9N3O2, 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.

5-methyl-2-(2H-1 ,2,3-triazol-2-yl)benzoic acid (1eq; prepared according to WO 2008147518), HOBT (1 eq) and EDCI.HCI (1.5eq) dissolved in dichloromethane (5ml/mmol) were stirred at 25 C for 0.5-2hours, then intermediate 2 (1 eq) dissolved in dichloromethane was added. After 18 hours the mixture was poured in an aqueous saturated solution of NaHCO3 and extracted with dichloromethane. The crude was purified by silica gel column chromatography (DCM to DCM/MeOH = 9/1) to obtain the title compound with yield of 52%.1HNMR (CDCI3) delta ppm 8.22-8.38 (m, 1H), 7.94-8.14 (m, 1H), 7.79-7.86 (m, 1H), 7.69 (m, 1H), 7.50-7.62 (m, 1H), 7.28-7.37(m, 1H), 7.0-7.24(m, 1H), 6.48-6.66 (m, 1H), 5.20(m, 1H), 4.34-4.84 (m, 1H), 3.89-4.0 (m, 1 H),3.65-3.75 (m, 1H), 3.21-3.44 (m, 2H), 3.01-3.11 (m, 1H), 2.26-2.46 (m, 3H), 1.89-2.17 (m, 1H), 1.02-1.28 (m, 1H), 0.19-0.63(m,4H)MS= ESI + m/z 439 [M+H]+

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; ROTTAPHARM S.P.A.; STASI, Luigi Piero; ROVATI, Lucio; WO2012/104338; (2012); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 7411-23-6 as follows. Recommanded Product: 7411-23-6

A mixture of salt 1a [6] (1 g, 2.9 mmol), 3,5-dibromo-1,2,4-triazole (0.66 g, 2.9 mmol), and 60% aqueous acetonitrile (15 ml) was refluxed for 2 h. The mixture was cooled and poured into water (50 ml). The precipitate formed was filtered off and recrystallized from ethanol. Yield 0.83 g (74%), colorless crystals; mp 193-194 C. IR spectrum, nu, cm-1: 3500-3100 (OH), 3066 (CH arom.), 2922 (CH2); 1630, 1443, 1331, 1271, 1072, 818. 1H NMR spectrum (DMSO-d6), delta, ppm (J, Hz): 5.68 (2H, s, CH2); 7.16 (1, d, J = 9.2, H Ar); 7.29 (1, t, J = 7.3, H Ar); 7.47 (1, dd, J = 8.3, J = 7.3, H Ar); 7.80 (2H, d, J = 8.7, H Ar); 7.96 (1, d, J = 8.3, H Ar); 10.23 (1H, s, OH). 13C NMR spectrum (DMSO-d6), delta, ppm: 44.8 (CH2); 111.7 (C); 118.3 (CH); 122.8 (CH); 123.3 (CH); 127.5 (CH); 128.5 (C); 129.0 (CH); 131.2 (CH); 131.3 (C); 133.8 (C); 139.4 (C); 155.0 (C). Found, %: 40.88; 2.45; N 10.81. C13H9Br2N3O. Calculated, %: C 40.76; H 2.37; N 10.97.

According to the analysis of related databases, 7411-23-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Osyanin; Osipov; Klimochkin, Yu. N.; Chemistry of Heterocyclic Compounds; vol. 47; 12; (2012); p. 1607 – 1609; Khim. Geterotsikl. Soedin.; vol. 47; 12; (2011); p. 1914 – 1916,3;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

138624-97-2, name is 1-Benzyl-1H-1,2,4-triazole-3-carboxylic acid, belongs to Triazoles compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Recommanded Product: 138624-97-2

To a screw cap vial 6-amino-4-methyl-2-(trifluoromethyl)-7,8-dihydro-4H-pyrazolo[1,5-a][1,3]diazepin-5(6H)-one (74mg, 0.298 mmol), l-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate (158 mg, 0.417 mmol), 1-benzyl-1H-1,2,4-triazole-3-carboxylic acid (76mg, 0.358 mmol) was added and dissolved in N,N-dimethylformamide (5 mL). To the reaction mixture was added trimethyl amine (0.166 mL, 1.19 mmol), the vial was capped and stirred at RT for 16 h. The mixture was concentrated to dryness in vacuo and the residue was purified by RP-HPLC affording 1-benzyl-N-(4-methyl-5-oxo-2-(trifluoromethyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,3]diazepin-6-yl)-1H-1,2,4-triazole-3-carboxamide (77mg, 59% yield): 1H NMR (400 MHz, DMSO-d6) delta 8.82 (s, 1H), 8.63 (d, J = 7.6 Hz, 1H), 7.49 – 7.19 (m, 5H), 6.93 (s, 1H), 5.49 (s, 2H), 4.51 – 4.42 (m, 1H), 4.39 – 4.27 (m, 2H), 3.27 (s, 3H), 2.72 – 2.59 (m, 1H), 2.48 – 2.42 (m, 1H). LC-MS RT = 4.34 min, m/z = 434.1 (M+H) +. LCMS (2 to 98% acetonitrile in water + 0.1% formic acid over 10 mins) retention time 4.34 min, ESI+ found [M+H] = 434.1.

The synthetic route of 138624-97-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GENENTECH, INC.; F. HOFFMANN-LA ROCHE AG; PATEL, Snahel; HAMILTON, Gregory; STIVALA, Craig; CHEN, Huifen; ZHAO, Guiling; (1236 pag.)WO2017/4500; (2017); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics