Category: 4928-87-4

Reference of 4928-87-4, New Advances in Chemical Research in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

To a reaction of 1/7-1, 2, 4-triazole-3 -carboxylic acid (226 mg, 2.0 mmol) and (R)- l-(4-methoxyphenyl)ethan-l -amine (0.28 mL, 2.1 mmol) in dry DMF (10 mL) was added l-hydroxybenzotriazole monohydrate (337 mg, 2.2 mmol) and EDC (N-(3- Dimethylaminopropyl)-N’-ethylcarbodiimide) (422 mg, 2.2 mmol) followed by N- methylmorpholine (0.88 mL, 8.0 mmol via syringe). The mixture was stirred at room temperature under nitrogen and the solids were gradually dissolved. The contents were stirred at room temperature for 24 h, and then slowly diluted into iced water and extracted with DCM (50 mL x 2). The DCM phase was washed with ice cold water (100 mL x 2). The DCM phase was dried over anhydrous Na2S04, filtered and concentrated under reduced pressure and chromatographed on silica gel using MeOH and DCM (5:95) as eluents to get the desired amide 22 (287.1 mg, 58 % yield) as a white solid compound. -NMR (400 MHz, DMSO-de): <514.98-14.44 (m, 1H), 9.16-8.08 (m, 2H), 7.34 (d, J= 8.4 Hz, 2H), 6.88 (d, J= 8.8 Hz, 2H,), 5.18-5.04 (m, 1H), 3.73 (s, 3H), 1.48 (d, J= 7.2 Hz, 3H,) ppm. MH+ = 247.1 m/z. By the way, if you are interested in learning more fun chemistry with your kids, get your hands into one chemistry set now, and start enjoying the best part of chemistry: experiments about 1,2,4-Triazole-3-carboxylic acid. Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; NATIONAL JEWISH HEALTH; WEMPE, Michael Fitzpatrick; VAZQUEZ-TORRES, Andres; DAI, Shaodong; (72 pag.)WO2020/41556; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 4928-87-4, New Advances in Chemical Research in 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

Step D – Synthesis ((1R,3s,5S)-3-(7-amino-6-(methylsulfonyl)-3-(6-phenylpyridin-3- yl)pyrazolo[1,5-a]pyrimidin-5-yl)-8-azabicyclo[3.2.1]octan-8-yl)(1H-1,2,4-triazol-3- yl)methanoneA mixture of 1 H-1 ,2,4-triazole-3-carboxylic acid (29.4 mg, 0.26 mmol), EDCI (76.7 mg, 0.4 mmol), and 1-hydroxybenzotriazole (27 mg, 0.2 mmol) in DMF (2 mL) was stirred at room temperature for 10 min. The 5-(8-azabicyclo[3.2.1]octan-3-yl)-6- (methylsulfonyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1 ,5-a]pyrimidin-7-amine HCI (0.2 mmol) was added, followed by N,N-diisopropylethylamine (0.17 mL, 1 mmol). It was stirred further for 20 min at room temperature at which time LC/MS analysis confirmed full consumption of starting material. This crude compound was purification by HPLC to afford the desired title product.

By the way, if you are interested in learning more fun chemistry with your kids, get your hands into one chemistry set now, and start enjoying the best part of chemistry: experiments about 1,2,4-Triazole-3-carboxylic acid.

Reference:
Patent; MERCK SHARP & DOHME CORP.; SCHERING CORPORATION; SIDDIQUI, M. Arshad; NAN, Yang; PATEL, Mehul, F.; REDDY, Panduranga Adulla P.; MANSOOR, Umar Faruk; MENG, Zhaoyang; VITHARANA, Lalanthi Dilrukshi; ZHAO, Lianyun; MANDAL, Amit, K.; LIU, Duan; TANG, Shuyi; MCRINER, Andrew; BELANGER, David, B.; CURRAN, Patrick, J.; DAI, Chaoyang; ANGELES, Angie, R.; YANG, Liping; DANIELS, Matthew Hersh; WO2011/90935; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 4928-87-4

To a mixture of 1H-1,2,4-triazole-3-carboxylic acid (118 mg, 1.044 mmol) and HATU (429 mg, 1.13 mmol) in DMF (2.2 mL) was added DIPEA (325 muL, 1.87 mmol) and the mixture was stirred for 15 min. Then tert-butyl 2,2-dimethylpiperazine-1- carboxylate (200 mg, 0.93 mmol) is added followed by DIPEA (240 muL, 1.38 mmol) and the mixture was stirred for another 90 min. Saturated NH4Cl was added (5 mL), followed by EtOAc (10 mL). The layers were separated and the aqueous layer extracted with EtOAc (2 x 5 mL). The combined organic extracts were washed with brine (5 mL), dried over Na2SO4, filtered and concentrated. The residue was purified by flash chromatography on silica gel eluting with 0-15% MeOH: DCM affording the title compound (263 mg, 91% yield) as an off-white solid. ESI-MS m/z calc.309.18008, found 310.35 (M+1)+ Retention time: 1.22 minutes using method C

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 1,2,4-Triazole-3-carboxylic acid, in my other articles.

Reference:
Patent; VERTEX PHARMACEUTICALS INCORPORATED; SAYEGH, Camil Elie; STURINO, Claudio; FOURNIER, Pierre-Andre; LACOSTE, Jean-Eric; DIETRICH, Evelyne; MARTEL, Julien; VALLEE, Frederic; (494 pag.)WO2016/154075; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 4928-87-4, New Advances in Chemical Research in 2021.In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

To a reaction of 1/7-1, 2, 4-triazole-3 -carboxylic acid (226 mg, 2.0 mmol) and butan-l-amine (0.21 mL, 2.1 mmol) in dry DMF (10 mL) was added 1- hydroxybenzotriazole monohydrate (337 mg, 2.2 mmol) and EDC (N-(3- Dimethylaminopropyl)-N’-ethylcarbodiimide) (422 mg, 2.2 mmol) followed by N- methylmorpholine (0.88 mL, 8.0 mmol via syringe). The mixture was stirred at room temperature under nitrogen and the solids were gradually dissolved. The contents were stirred at room temperature for 24.0 h, and then slowly diluted into iced water and extracted with DCM (2 x 50 mL). The DCM phase was washed with ice cold water (2 x 100 mL). The DCM phase was dried over anhydrous Na2S04, filtered and concentrated under reduced pressure and chromatographed on silica gel using EtOAc and Hexanes (80:20) as eluents to get the desired amide 12 (32 mg, 10 % yield) as a white solid compound. -NMR (400 MHz, DMSO-de): <514.75-14.44 (m, 1H), 8.58 (br s, 1H), 8.41 (br s, 1H), 3.26- 3.20 (m, 2H), 1.54-1.45 (m, 2H), 1.35-1.23 (m, 2H), 0.89 (t, J= 7.2 Hz, 3H) ppm. MH+ = 169.2 m/z. We very much hope you enjoy reading the articles and that you will join us to present your own research about 4928-87-4, Happy reading! Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; NATIONAL JEWISH HEALTH; WEMPE, Michael Fitzpatrick; VAZQUEZ-TORRES, Andres; DAI, Shaodong; (72 pag.)WO2020/41556; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 4928-87-4, New Advances in Chemical Research in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

Step 14 Synthesis of 1 -(5-((1 R, 3s, 5S)-8-(4H-1 ,2, 4-triazole-3-carbonyl)-8- azabicyclo[3.2.1 ]octan-3-yl)-7-amino-3-(6-phenylpyridin-3-yl)pyrazolo[1,5- a]pyrimidin-6-yl)ethanoneA mixture of 1 H-1 ,2,4-triazole-3-carboxylic acid (29.4 mg, 0.26 mmol), EDCI (76.7 mg, 0.4mmol), and 1-hydroxybenzotriazole (27 mg, 0.2 mmol) in DMF (2 ml) was stirred at room temperature for 10min. Compound 1-(7-amino-5-((1 R,3s,5S)-8- azabicyclo[3.2.1]octan-3-yl)-3-(6-phenylpyridin-3-yl)pyrazolo[1 ,5-a]pyrimidin-6- yl)ethanone hydrochloride (0.2 mmol) was added followed by N,N- diisopropylethylamine (0.17 ml, 1 mmol). It was stirred further for 20min at room temperature at which time LC/MS analysis confirmed full consumption of starting material. This crude compound was submitted to the analytical group for purification to afford the desired product. LC/MS RT = 2.42 min. Mass calculated for M+H 534.2, observed 534.2.

Therefore, this conceptually novel strategy might open impressive avenues to establish green and sustainable chemistry platforms.In my other articles, you can also check out more blogs about 1,2,4-Triazole-3-carboxylic acid.

Reference:
Patent; MERCK SHARP & DOHME CORP.; SCHERING CORPORATION; SIDDIQUI, M. Arshad; NAN, Yang; PATEL, Mehul, F.; REDDY, Panduranga Adulla P.; MANSOOR, Umar Faruk; MENG, Zhaoyang; VITHARANA, Lalanthi Dilrukshi; ZHAO, Lianyun; MANDAL, Amit, K.; LIU, Duan; TANG, Shuyi; MCRINER, Andrew; BELANGER, David, B.; CURRAN, Patrick, J.; DAI, Chaoyang; ANGELES, Angie, R.; YANG, Liping; DANIELS, Matthew Hersh; WO2011/90935; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 4928-87-4, New Advances in Chemical Research in 2021.Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

To a reaction of 1/7-1, 2, 4-triazole-3 -carboxylic acid (113 mg, 1.19 mmol) and 3- (trifluoromethoxy)benzylamine (250 mg, 1.31 mmol) in dry DMF (10 mL) was added 1- hydroxybenzotriazole monohydrate (200 mg, 1.31 mmol) and EDC (N-(3- Dimethylaminopropyl)-N’- ethylcarbodiimide) (251 mg, 1.31 mmol) followed by N- methylmorpholine (0.52 mL, 4.76 mmol via syringe). The mixture was stirred at room temperature under nitrogen and the solids were gradually dissolved. The contents were stirred at room temperature for 24.0 h, and then slowly diluted into iced water and extracted with DCM (2 x 50 mL). The DCM phase was washed with ice cold water (2 x 100 mL). The DCM phase was dried over anhydrous Na2S04, filtered and concentrated under reduced pressure and chromatographed on silica gel using DCM and EtOAc (10:90) as eluents to get the desired amide 9 (108.7 mg, 32 % yield) as a white solid compound. -NMR (400 MHz, DMSO-de): <514.67 (br s, 1H), 9.28 (br s, 1H), 8.53 (br s, 1H), 7.48- 7.44 (m, 1H), 7.36-7.34 (m, 1H), 7.30 (br s, 1H), 7.24-7.22 (m, 1H), 4.50 (d, J= 6.4 Hz, 2H); 19F -NMR (376 MHz, DMSO-de): <5 -56.70 ppm. MH+ = 287.2 m/z. The result showed that such a combination of chemo- and biocatalysis improved the catalytic yield more than two times compared with that of sole metal catalysis.I hope my blog about 1,2,4-Triazole-3-carboxylic acid is helpful to your research. Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; NATIONAL JEWISH HEALTH; WEMPE, Michael Fitzpatrick; VAZQUEZ-TORRES, Andres; DAI, Shaodong; (72 pag.)WO2020/41556; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Safety of 1,2,4-Triazole-3-carboxylic acid

To a reaction of 1/7-1, 2, 4-triazole-3 -carboxylic acid (226 mg, 2.0 mmol) and 3,5- dichloroaniline (340 mg, 2.1 mmol) in dry DMF (10 mL) was added 1- hydroxybenzotriazole monohydrate (337 mg, 2.2 mmol) and EDC (N-(3- Dimethylaminopropyl)-N’-ethylcarbodiimide) (422 mg, 2.2 mmol) followed by N- methylmorpholine (0.88 mL, 8.0 mmol via syringe). The mixture was stirred at room temperature under nitrogen and the solids were gradually dissolved. The contents were stirred at room temperature for 24.0 h, and then slowly diluted into iced water and extracted with DCM (2 x 50 mL). The DCM phase was washed with ice cold water (2 x 100 mL). The DCM phase was dried over anhydrous Na2S04, filtered and concentrated under reduced pressure and chromatographed on silica gel using EtOAc and Hexanes (60:40) as eluents to get the desired amide 14 (68.6 mg, 13 % yield) as a white solid compound. -NMR (400 MHz, DMSO-de): <514.85 (br s, 1H), 10.88 (br s, 1H), 8.69 (br s, 1H), 8.04-7.98 (m, 2H), 7.35-7.33 (m, 1H) ppm. MH+ = 257.3 m/z. Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 4928-87-4, and we look forward to future research findings. Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; NATIONAL JEWISH HEALTH; WEMPE, Michael Fitzpatrick; VAZQUEZ-TORRES, Andres; DAI, Shaodong; (72 pag.)WO2020/41556; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 4928-87-4, New Advances in Chemical Research in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic,A common heterocyclic compound, 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

Example 2. Synthesis of N-{4-[(pyrimidin-2-yl)sulfamoyl]phenyl}-lH-l,2,4- triazole-3-carboxamide, 1-18 1-18 [00267] Compound 1-18 was prepared according to the reaction sequence in Scheme IV with several adaptations. The solvent was removed in vacuo, the remaining material was triturated from H2O/CH3CN 1 : 1 (20ml), washed with small volumes of DMSO/CH3CN 1 :2, collected and dried to afford 190mg (65%) of N-{4-[(pyrimidin-2-yl)sulfamoyl]phenyl}-lH-l,2,4-triazole-3- carboxamide 1-18 as a colourless solid. 1H NMR (500 MHz, DMSO-d6) delta 14.84 (s, 1H), 11.70 (s, 1H), 10.83 (s, 1H), 8.66 (s, 1H), 8.50 (d, J = 4.9 Hz, 2H), 8.02 (d, J = 8.9 Hz, 2H), 7.95 (d, J = 8.9 Hz, 2H), 7.04 (t, J = 4.9 Hz, 1H).

We very much hope you enjoy reading the articles and that you will join us to present your own research about 4928-87-4, Happy reading!

Reference:
Patent; RAZE THERAPEUTICS, INC.; SAIAH, Eddine; (148 pag.)WO2016/40449; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 4928-87-4, New Advances in Chemical Research in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic,A common heterocyclic compound, 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

Take 0 · 15g (0.31 mmol)The intermediate 27 was dissolved in 30 ml of CHCl, and 0 · lg (0.52 mmol) of EDCI was added to obtain 0.2 g (0.27 mmol) of 1,2,4-triazol-3- Formic acid, stirred at room temperature12h, TLC detection. The reaction was completed and the crude product was dried and purified by silica gel column chromatography (eluent: methanol / dichloromethane / aqueous ammonia = 50:500: 1,7: ¥: ¥) to give a white solid. Example 21 Target product 0.1 g Yield 55.5%

Therefore, this conceptually novel strategy might open impressive avenues to establish green and sustainable chemistry platforms.In my other articles, you can also check out more blogs about 1,2,4-Triazole-3-carboxylic acid.

Reference:
Patent; Beijing Foreland Pharma Co., Ltd; Zhang, Xingmin; Wang, Ensi; Niu, Shengxiu; Guo, Jing; Dai, Zhuolin; Zheng, Nan; Ji, Qi; Li, Qinyan; Liang, Tie; (109 pag.)CN104411706; (2016); B;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 1,2,4-Triazole-3-carboxylic acid

To a reaction of 1/7-1, 2, 4-triazole-3 -carboxylic acid (226 mg, 2.0 mmol) and (3,4- dimethoxybenzyl)amine (0.32 mL, 2.1 mmol) in dry DMF (10 mL) was added 1- hydroxybenzotriazole monohydrate (337 mg, 2.2 mmol) and EDC (N-(3- Dimethylaminopropyl)-N’-ethylcarbodiimide) (422 mg, 2.2 mmol) followed by N- methylmorpholine (0.88 mL, 8.0 mmol via syringe). The mixture was stirred at room temperature under nitrogen and the solids were gradually dissolved. The contents were stirred at room temperature for 24 h, and then slowly diluted into iced water and extracted with DCM (50 mL x 2). The DCM phase was washed with ice cold water (2 x 100 mL). The DCM phase was dried over anhydrous Na2S04, filtered and concentrated under reduced pressure and chromatographed on silica gel using EtOAc and Hexanes (70:30) as eluents to get the desired amide 2 (40.7 mg, 8% yield) as a white solid. 1H-NMR (400 MHz, DMSO-de): <514.74-14.50 (m, 1H), 9.06 (br s, 1H), 8.48-8.46 (m, 1H), 6.97 (m, 1H), 6.90-6.88 (m, 1H), 6.85-6.83 (m, 1H), 4.37 (d, J= 6.4 Hz, 2H), 3.73 (d, J= 3.6 Hz, 6H) ppm. MH+ = 263.2 m/z. Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 1,2,4-Triazole-3-carboxylic acid, in my other articles. Reference:
Patent; THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE; NATIONAL JEWISH HEALTH; WEMPE, Michael Fitzpatrick; VAZQUEZ-TORRES, Andres; DAI, Shaodong; (72 pag.)WO2020/41556; (2020); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics