Tag: M.W:100-200

103755-58-4, Adding a certain compound to certain chemical reactions, such as: 103755-58-4, name is (1-Phenyl-1H-1,2,3-triazol-4-yl)methanol, belongs to Triazoles compound, 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 103755-58-4.

General procedure: 1-Azido-4-methylbenzenes 1 (0.3 mmol), propargyl alcohol 2 (0.36 mmol), CuI (0.03 mmol),NaAsc (0.06 mmol), and 2 mL solvent were added to a 15 mL pressure tube. The tube was thensealed, and the mixture was stirred at 80 C for 5 hours. After the reaction completed, the abovesystem was added with KMnO4 (0.75 mmol) and Na2CO3 (0.45 mmol), and stirred at 80 C for 8h until the reaction completed. Then, Ag2O (0.03 mmol) and K2S2O7 (0.6 mmol) were added tothe tube and the mixture was conducted at 100 C for 24 h until the transformation finished byTLC analysis. H2O (25 mL) was added to the mixture and the system was extracted with EtOAc (3¡Á 20 mL). The combined organic layer was washed with brine (3 ¡Á 5 mL), dried with Na2SO4, andconcentrated under reduced pressure to afford the crude product. Purification by columnchromatography on silica gel with EtOAc-PE (1:3) afforded the desired product 3.

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, (1-Phenyl-1H-1,2,3-triazol-4-yl)methanol, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Han, Chunmei; Dong, Suping; Zhang, Wensheng; Chen, Zhen; Synlett; vol. 29; 5; (2018); p. 673 – 677;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Adding some certain compound to certain chemical reactions, such as: 27996-86-7, name is 4-[1,2,4]Triazol-1-yl-benzaldehyde, 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 27996-86-7. 27996-86-7

A mixture of alpha ionone (1.152 g, 1.23 ml, 6 mmol), 4-(1H-1,2,4-triazol-1-yl) benzaldehydes (0.865 g, 5 mmol), cetyltrimethyl ammonium bromide (0.070 g, 0.5 mmol), sodium hydroxide (0.600 g, 15 mmol) and water (25 ml) was stirred at room temperature for 24 h. Reaction progress was monitored by TLC and compound was extracted with ethyl acetate (2 ¡Á 50 ml). The combined organic extract was washed with water (2 ¡Á 50 ml), brine solution (50 ml), dried (Na2SO4) and the solvent was removed in vacuum. The crude product was purified by column chromatography (SiO2, 60-120 mesh). Elution with 10 % ethyl acetate in hexane furnished a pale yellow coloured solid (0.400g, 23%). Mp: 108-110OC; IR (KBr, cm-1): 2915, 1651 (C=O), 1598 (C=N); 1H NMR (CDCl3, 300 MHz): delta 0.88 (s, 3H), 0.95 (s, 3H), 1.22-1.29 (m, 1H), 1.43-1.52 (m, 1H), 1.60 (s, 3H), 2.07 (brs, 2H), 2.36 (d, J = 9 Hz, 1H), 5.53 (brs, 1H), 6.39 (d, J = 16 Hz, 1H), 6.85 (dd, J = 16, 9 Hz, 1H), 7.01 (d, J = 16 Hz, 1H), 7.63-7.74 (m, 5H), 8.11 (s, 1H), 8.60 (s, 1H); 13C NMR (CDCl3, 75 MHz): delta 22.92, 23.10, 26.90, 27.95, 31.25, 32.75, 54.67, 2¡Á120.13, 122.83, 125.72, 2¡Á129.72, 130.54, 131.93, 134.81, 137.99, 140.89, 141.16, 149.44, 152.81, 188.53; ESI-MS m/z: 348 [M+1]+; Analysis calculated for C22H25N3O: C, 76.05; H, 7.25; N, 12.09; Found: C, 76.05; H, 7.29; N, 12.03.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 4-[1,2,4]Triazol-1-yl-benzaldehyde.

Reference:
Article; Suryawanshi; Tiwari, Avinash; Kumar, Santosh; Shivahare, Rahul; Mittal, Monika; Kant, Padam; Gupta, Suman; Bioorganic and Medicinal Chemistry Letters; vol. 23; 10; (2013); p. 2925 – 2928;,
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. 27996-86-7, name is 4-[1,2,4]Triazol-1-yl-benzaldehyde belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below. 27996-86-7

Step 1. (?)-3-(4-(lH-l,2,4-triazol-l-yl)phenyl)-l-(3,5-dichlorophenyl)prop-2-en-l- one: To a solution of l-(3,5-dichlorophenyl)ethanone (0.5 g, 2.6 mmol) in ethanol (20 mL) was added 4-(lH-l,2,4-triazol-l-yl)benzaldehyde (0.46 g, 2.65 mmol) and the reaction was cooled to 0 C. Sodium hydroxide (0.22 g, 5.29 mmol) in water (10 mL) was then added and the reaction was allowed to stir for 2 h at 0 C. The reaction was extracted with EtOAc and the combined organic layers were dried over Na2S04 and concentrated under reduced pressure to afford the title compound (0.149 g, 17%): ); ESIMS m/z 430.05 ([M+H]+) 344.08

The synthetic route of 27996-86-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; DOW AGROSCIENCES LLC; LO, William C.; HUNTER, James E.; WATSON, Gerald B.; PATNY, Akshay; IYER, Pravin S.; BORUWA, Joshodeep; WO2014/100163; (2014); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 16681-70-2, name is 1H-[1,2,3]Triazole-4-carboxylic acid, A new synthetic method of this compound is introduced below., 16681-70-2

[0725] lH-1,2,3-triazole-5-carboxylic acid (2.3 mg, 20f.tmol) was combined with HATU (5.9 mg, 15 flillOI) in DMF(0.5 mL) and stirred for lOminutes; DIPEA (1 eq.)was addedand the mixture was stirred for 1 minute. Compound 2 (10.0mg, 22 f.tmol) was dissolved in DMF (1 mL) and DIPEA (11.6f.LL, 66 flillOI) was added, followed by addition of the activatedacid solution. The mixture was stirred for 30 minutes and thenconcentrated in vacuo to yield Compound 3.

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; THERAVANCE BIOPHARMA R&D IP, LLC; Fleury, Melissa; Beausoliel, Anne-Marie; Hughes, Adam D.; Long, Daniel D.; Wilton, Donna A.A.; US2015/210690; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

162848-16-0, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 162848-16-0, name is 4-[1,2,4]Triazol-1-yl-benzoic acid, A new synthetic method of this compound is introduced below.

At 40 C 1-hydroxybenzotriazole hydrate (0.13 g, 0.99 mmol) and 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.19 g, 0.99 mmol) were added to astirred solution of 4-(1/-/-1,2,4 triazol-1yl)benzoic acid (0.16 g, 0.82 mmol) in N,N-dimethylformamide (5 mL). After 30 minutes methyl-phenyl-carbamic acid 5-amino-pyridin-2-yl ester (0.20 g, 0.82 mmol) and A/-ethyldiisopropylamine (0.17 mL, 0.99 mmol) were addedand stirring was continued overnight at 40 C. The solvent was evaporated in vacuo. A smallportion of the crude product (around 100 mg) was purified by preparative HPLC yielding thetitle compound (10 mg. 1% yield) as a white solid.1H NMR (400 MHz, DMSO-c/6): 5- 7.25 (d, 1H), 7.30 (m, 1H), 7.45 (m, 4H), 8.07 (d,2H), 8.18 (d, 2H), 8.28 (dd, 1H), 8.32 (s, 1H), 8.69 (d, 1H), 9.45 (s, 1H), 10.62 (s, 1H); HPLC-MS (Method A): m/z = 415 (M+H)+; Rt = 3.13 min.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference:
Patent; NOVO NORDISK A/S; WO2004/111031; (2004); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

63666-11-5, 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. 63666-11-5, name is Ethyl 5-amino-4H-[1,2,4]triazole-3-carboxylate, This compound has unique chemical properties. The synthetic route is as follows.

Example 19A (rac)-Diethyl 7-(4-cyanophenyl)-5-methyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-2,6-dicarboxylate Under an atmosphere of argon, ethyl 3-amino-1H-1,2,4-triazole-5-carboxylate (700 mg, 4.4 mmol) and ethyl 2-(4-cyanobenzylidene)-3-oxobutanoate (1.18 g, 4.9 mmol, 1.1 eq.) were dissolved in DMF (5 ml), and solid sodium bicarbonate (1.86 g, 22.1 mmol, 5 eq.) was added. The mixture was stirred at 55 C. for 6 h. The mixture was then filtered, and the DMF from the filtrate was distilled off under reduced pressure. The residue was purified by preparative HPLC (Gromsil C18 column, 30*250 mm; mobile phase: acetonitrile-water-0.1% TFA). After lyophilization, the product was obtained as a solid (1.3 g, 80% of theory). LC-MS (Method 3): Rt=3.07 min; MS (ESIpos): m/z (%)=382.3 (100) [M+H]+; MS (ESIneg): m/z (%)=380.2 (100) [M-H]-. 1H-NMR (400 MHz, DMSO-d6): delta=1.0 (t, 3H), 1.25 (t, 3H), 2.45 (s, 3H), 3.95 (m, 2H), 4.25 (m, 2H), 6.45 (s, 1H), 7.5 (m, 2H), 7.8 (m, 2H), 11.1 (s, 1H).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference:
Patent; BAYER SCHERING PHARMA AKTIENGESELLSCHAFT; US2012/4203; (2012); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

16227-12-6, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 16227-12-6, name is 4-Phenyl-4H-1,2,4-triazole, A new synthetic method of this compound is introduced below.

EXAMPLE 129 4-phenyl-1-(hex-1-yl)triazolium bromide 0.15 g (0.001 mol) 4-phenyltriazole 1 and 0.42 ml (0.495 g, 0.003 mol) 1-bromohexane 2 are combined in a pressure tube. The mixture is stirred for 12 h at 110 C. Subsequently, it is cooled down to room temperature. The precipitated solid is taken up in a 1:1 mixture of THF and petroleum ether, is filtered off, and washed with diethylether. M 310.23 C14H20N3Br Yield: 0.254 g (82%) 1H-NMR DM-231 (300 MHz/DMSO): (ppm)=0.89 (t, 3H, 12-H); 1.33 (m, 6H, 9/10/11H): 1.96 (q, 2H, 8-H); 4.45 (t, 2H, 7-H); 7.69 (m, 3H, 5/5’/6H); 7.86 (d, 2H, 4/4′-H); 9.81 (s, 1H, 2-H); 10.88 (s, 1H, 1-H) 13C-NMR DM-231 (75.475 MHz/DMSO):

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; TECHNISCHE UNIVERSITAET DRESDEN; US2011/105761; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

4922-98-9, Adding some certain compound to certain chemical reactions, such as: 4922-98-9, name is 5-Phenyl-1H-1,2,4-triazol-3-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 4922-98-9.

Part C; A reaction mixture of compound 14-2 (50 mg, 0.2 mmol) and 3-phenyl-1 H- 1 ,2,4-triazol-5-amine (32 mg, 0.2 mmol) in AcOH (1 mL) was stirred at 160 0C for 20 minutes in microwave. Purification using reverse phase HPLC gave compound 14-3 after lyophilization.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 4922-98-9.

Reference:
Patent; SCHERING CORPORATION; SHIPPS, JR., Gerald, W.; CHENG, Cliff, C.; HUANG, Xiaohua; ACHAB, Abdelghani, Abe; ORTH, Peter; VOIGT, Johannes, H.; SOUCY, Kyle, Ann; WO2010/56631; (2010); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

4922-98-9, 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. 4922-98-9, name is 5-Phenyl-1H-1,2,4-triazol-3-amine, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: To a stirred solution of the appropriate 1,2,4-triazole 8a-t (1 mmol)in dry pyridine (5 mL) cooled at ?5 ¡ãC was added 3?,4?,5?-trimethoxybenzoylchloride (252 mg, 1.1 mol, 1.1 equiv.) in small portions. For the preparation of compounds 5u and 5v, 3?,4?-dimethoxybenzoylchloride (221 mg, 1.1 mmol, 1.1 equiv.) or 4?-methoxybenzoyl chloride(188 mg, 1.1 mmol, 1.1 equiv.), respectively, were added to derivative 5k. The reaction mixture was kept for 30 min at ?5 ¡ãC and then overnight at room temperature. Pyridine was removed by evaporation under reduced pressure. To the residue was added CH2Cl2, and the organic phase was washed with saturated aq. NaHCO3, water and brine and dried. The reaction mixture was filtered, and the solvent was removed in vacuo. The crude residue was suspended in ethyl ether(15 mL), the resulting suspension stirred for 30 min, filtered and the residue filtered under reduced pressure to furnish the 1-aroyl-3-aryl-5-amino-1H-1,2,4-triazole derivatives 5a-v. Compounds 5a, 5e, 5f and 5hwere characterized by spectroscopic and analytical data, and our datawere in agreement with those previously reported [30]. 5.1.4.1. (5-Amino-3-phenyl-1H-1,2,4-triazol-1-yl) (3,4,5-trimethoxyphenyl)methanone (5a). Synthesized according to method C, derivative 5a wasobtained as a white solid (yield 66percent); mp 225?227 ¡ãC. 1HNMR(d6-DMSO)delta: 3.80 (s, 3H), 3.87 (s, 6H), 7.47 (m, 3H), 7.68 (s, 2H), 7.86 (bs, 2H), 8.03(m, 2H). 13C NMR (d6-DMSO) delta: 55.96 (2C), 60.13, 108.92 (2C), 126.22(2C), 126.42, 128.70 (2C), 130.02, 130.64, 141.60, 152.00 (2C), 159.05,159.40, 166.39. MS (ESI): [M+1]+=355.37. Anal. calcd forC18H18N4O4. C, 61.01; H, 5.12; N, 15.81; found: C, 60.78; H, 5.01; N,15.67.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference:
Article; Romagnoli, Romeo; Prencipe, Filippo; Oliva, Paola; Baraldi, Stefania; Baraldi, Pier Giovanni; Brancale, Andrea; Ferla, Salvatore; Hamel, Ernest; Bortolozzi, Roberta; Viola, Giampietro; Bioorganic Chemistry; vol. 80; (2018); p. 361 – 374;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

1001401-62-2, Adding a certain compound to certain chemical reactions, such as: 1001401-62-2, name is 2-(2H-1,2,3-Triazol-2-yl)benzoic acid, belongs to Triazoles compound, 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 1001401-62-2.

A solution of2-(2H-1,2,3-triazol-2-yl)benzoic acid (P. Coleman, J. Schreier,W02007/126934) (1 g, 4.1 mmol) in SOCb (10 mL) was stirred at 80 C for 30 min. Thesolvent was removed under reduced pressure and toluene (10 mL) was added to give solution A.The product from step 4 (1 g, 4.1 mmol) was dissolved in DCM (10 mL), DIEA (1.58 g, 1225 mmol) added, and then solution A added at 0 C. The resulting mixture was stirred at RT for 2 h,then poured into water (10 mL) and extracted with DCM (10 mL x 3). The combined organiclayers were washed with brine (10 mL), dried overNa2S04, filtered and concentrated in vacuo.The residue was purified by chromatography on silica (petroleum ether : EtOAc = 10 : 1 to = 3 :1) then purified by prep. TLC (petroleum ether: EtOAc = 1 : 1) to give the title compound (0.230 g). LRMS m/z (M+H) 416.0, 418.0 found, 416.1, 418.1 required

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

Reference:
Patent; MERCK SHARP & DOHME CORP.; BESHORE, Douglas C.; KUDUK, Scott D.; LIVERTON, Nigel; LUO, Yunfu; MENG, Na; YU, Tingting; WO2015/18029; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics