Tag: M.W=0-100

Adding a certain compound to certain chemical reactions, such as: 584-13-4, name is 4H-1,2,4-Triazol-4-amine, 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 584-13-4, SDS of cas: 584-13-4

Example 19 3-[2-({4-[(2,4-difluorophenoxy)methyl]phenyl}sulfonyl)plienyl]-4/r-l,2,4-triazole Step 1: 2-JOdO-JV -4H- l,2,4-triazol-4-ylbenzenecarboximidamide; 4H-l,2,4-Triazol-4-amine (5.0 g, 0.06 mol) and 2-iodobenzonitrile (13.6 g, 0.06 mol) were added to sodium ethoxide (21% in ethanol, 0.06 mol) and heated to 78 0C for 5 h. The cooled reaction mixture was poured into water and the resulting precipitate filtered off and azeotroped with toluene to give the title compound as a solid (15.6 g, 81%). 1H NMR (400 MHz, DMSO): delta 8.40 (2 H, s), 7.92 (1 H, d, J 7.6 Hz), 7.51-7.43 (3 H, m), 7.37 (1 H, d, J 4.3 Hz), 7.25-7.19 (1 H, m).

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, 4H-1,2,4-Triazol-4-amine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; MERCK SHARP & DOHME LIMITED; WO2006/97766; (2006); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 288-36-8, 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. 288-36-8, name is 1H-1,2,3-Triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below.

To a mixture of 2bromo441uorobenzoic acid (30 g, 137 mmol), cesium carbonate (89.26 g, 274 rnmol) and Cul (5.27 g, 27,4 mmol) in DMF (200 mL) were added NN?dimeLhyicyelohexanei,2diamine (3.7 mL,23.3 mmoi) and 1Hi,2,3-triazoie (18.92 g, 274mmoi). The resulting mixture was stirred at 110 C overnight, cooled, concentrated in vacuo and diluted with water (150 rnL). The aqueous layer was extracted with EtOAc (300 mL x 3). The aqueous layer was acidified with 2N HCI and extracted with EtOAc (300 rnL x 4). The combined organic layers were washed with brine (150 mL x 3), dried over Na2SO4, filtered and the filtrate concentrated in vacuo, The residue was purifIed by chromatography on silica gel(petroleum ether: EtOAc = 100: 1 5 : 1) to provide the title compound as a solid. LRMS m/z (M+H) 208.0 found, 208.0 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, 1H-1,2,3-Triazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; MERCK SHARP & DOHME CORP.; KUDUK, Scott D.; LIVERTON, Nigel; LUO, Yunfu; SKUDLAREK, Jason; (79 pag.)WO2016/95204; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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. 288-36-8, name is 1H-1,2,3-Triazole, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C2H3N3

Intermediate E: 2-(2H-l,2,3-triazol-2-yl)benzoic acid Int E Step 1 : 2-(2H-l,2,3-triazol-2-yl)benzoic acid (Int E) To a solution of 2-iodobenzoic acid (3.0 g, 12.1 mmol) in DMF was added 1,2,3-triazole (1.5 g, 21.7 mmol), Cs2C03 (7.1 g, 21.7 mmol), Cul (114 mg, 0.6 mmol), and trans-N,N’-dimethylcyclohexane- 1,2-diamine (310 mg, 2.2 mmol). After heating at 120 C for 10 min in a microwave reactor, the mixture was cooled to room temperature, diluted with EtOAc, and filtered through Celite. The filtrate was concentrated in vacuo and the crude residue was purified by silica gel chromatography (MeOH in DCM with 0.1% AcOH) to give Int E as the faster eluting isomer. 1H NMR (DMSO-d6, 500MHz) delta 13.05 (brs, 1 H), 8.12 (s, 2H), 7.81-7.52 (m, 4H).

According to the analysis of related databases, 288-36-8, the application of this compound in the production field has become more and more popular.

Reference:
Patent; MERCK SHARP & DOHME CORP.; KUDUK, Scott, D.; REGER, Thomas, S.; ROECKER, Anthony, J.; WO2015/95111; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 60166-43-0, 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. 60166-43-0, name is 1,4-Dimethyl-1H-1,2,3-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below.

A mixture of 7-bromo-5-nitro-2H-isoquinolin-1-one (7.3, 1 g, 3.72 mmol, 1 equivalent), 1,4-dimethyltriazole (397 mg, 4.09 mmol, 1.1 equivalents), KOAc (1.82 g, 18.6 mmol, 5 equivalents), Pd(OAc)2 (83.5 mg, 372 mumol, 0.1 equivalent) and bis(1-adamantyl)butylphosphane (267 mg, 743 mumol, 0.2 equivalent) in 2-methylbutan-2-ol (100 mL) was purged with nitrogen 3 times. This reaction mixture was stirred at 120 C. for 12 hours under a nitrogen atmosphere. After this time, the reaction mixture was diluted with ethyl acetate (50 mL) then it was filtered. The filtrate was washed with brine (30 mL*3), dried over sodium sulfate and concentrated. This crude product was purified further by column chromatography (SiO2, dichloromethane/methanol 200/1 to 50/1) to give 7-(3,5-dimethyltriazol-4-yl)-5-nitro-2H-isoquinolin-1-one (7.4, 550 mg, 1.93 mmol, 51.8% yield) as a yellow solid; LCMS [M+1]: 286.2. 1H NMR (400 MHz, DMSO-d6) delta=11.96 (br s, 1H), 8.65-8.48 (m, 2H), 7.54 (br s, 1H), 6.97 (d, J=7.6 Hz, 1H), 3.99 (s, 3H), 2.28 (s, 3H)

The synthetic route of 1,4-Dimethyl-1H-1,2,3-triazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Mirati Therapeutics, Inc.; Marx, Matthew Arnold; Lee, Matthew Randolph; Galemmo, Robert Anthony; Bobinski, Thomas P.; US2018/265517; (2018); 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 288-36-8 as follows. COA of Formula: C2H3N3

Example 159: Preparation of 4,5-dibromo- IH-[1, 2,3 ItriazoleTo a solution of IH-[1, 2,3]triazole (1.26 ml, 21.7 mmol) in water (10 ml) at 50¡ãC, was added bromine (1.5 ml, 29 mmol). The reaction mixture was stirred at 50¡ãC for 1.5 hours. The white solid (2.375 g) was isolated via filtration and washed with water (5 ml). To the combined filtrates was added more bromine (1.5 ml, 29 mmol). The reaction mixture was stirred at room temperature for 20 hour. More white solid (1.83 g) was isolated via filtration and washed with water (5 ml). To the combined filtrates was added more bromine (1.5 ml, 29 mmol). The reaction mixture was stirred at room temperature for 20 hours. More white solid (375 mg) was isolated via filtration and washed with water (5ml). The white solids were combined and dried to give 4,5-dibromo- IH-[1, 2,3]- triazole (4.92 g, 93percent yield). M.p. 194.70C.

According to the analysis of related databases, 288-36-8, the application of this compound in the production field has become more and more popular.

Reference:
Patent; SYNGENTA LIMITED; WO2007/71900; (2007); 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. 288-36-8, name is 1H-1,2,3-Triazole, A new synthetic method of this compound is introduced below., Recommanded Product: 288-36-8

To a solution of 2-iodobenzoic acid (3.0 g, 12.1 mmol) in DMF was added 1,2,3- triazole (1.5 g, 21.7 mmol), Cs2CO3 (7.1 g, 21.7 mmol), Cul (114 mg, 0.6 mmol), and trans-N,N?dimethylcyclohexane- 1 ,2-diamine (310 mg, 2.2 mmol). After heating at 120 C for 10 mm in amicrowave reactor, the mixture was cooled to room temperature, diluted with EtOAc, and filtered through Celite. The filtrate was concentrated in vacuo and the crude residue was purified by silica gel chromatography (MeOH in DCM with 0.1% AcOH) to give Intermediate N as the faster eluting isomer. ?H NMR (DMSO-d6, 500MHz) oe 13.05 (brs, 1 H), 8.12 (s, 2H), 7.8 1-7.52 (m, 4H).

The synthetic route of 288-36-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; MERCK SHARP & DOHME CORP.; KUDUK, Scott, D.; REGER, Thomas, S.; ROECKER, Anthony, J.; (0 pag.)WO2016/85783; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

7170-01-6, name is 3-Methyl-1H-1,2,4-triazole, 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. Application In Synthesis of 3-Methyl-1H-1,2,4-triazole

Example 41 b. l-(2-methoxy-4-nitrophenyl)-3-methyl-lH-l,2,4-triazoleA mixture of 3-methyl-lH-[l,2,4]triazole (2.4 g, 29.21 mmol), l-fluoro-2-methoxy-4- nitrobenzene (5.0 g, 29.21 mmol) and potassium carbonate (8.06 g, 58.42 mmol) in DMF (50 mL) was heated overnight at 85C in a pressure vessel. The reaction mixture was cooled to room temperature and concentrated under reduced pressure. The residue was suspended in water and the mixture extracted with dichloromethane. The organic extracts were combined, washed with brine, dried over anhydrous Na2SO4, filtered and concentrated. The residue was dissolved in dichloromethane (50 mL) and hexane was added in small portions until the solution become slightly turbid. The turbid solution was left at room temperature. The precipitation was collected by filtration, washed with hexane to give 2.5 g of title compound (37 % Yield).1U NMR (400 MHz, CHLOROFORM-J) delta ppm 2.51 (s, 3 H) 4.10 (s, 3 H) 7.90 – 8.06 (m, 2 H) 8.10 (d, I H) 8.87 (s, I H)

The synthetic route of 7170-01-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ASTRAZENECA AB; LO-ALFREDSSON, Yvonne; PAULSEN, Kim; RAKOS, Laszlo; ROTTICCI, Didier; WALDMAN, Magnus; WO2010/132015; (2010); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 1455-77-2, name is 3,5-Diamino-1,2,4-triazole, 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 1455-77-2, Safety of 3,5-Diamino-1,2,4-triazole

3,5-Diamino-1,2,4-triazole was dissolved in 66percent hydrofluoric acid aqueous solution. After short heating in a water bath and slow cooling, crystals of (HL)(H2L)(HF2)2F compound (I) were found.

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-Diamino-1,2,4-triazole, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Goreshnik, Evgeny; Journal of Fluorine Chemistry; vol. 197; (2017); p. 94 – 99;,
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 288-88-0 as follows. Formula: C2H3N3

General procedure: A mixture of CuI (0.10 g, 0.50 mmol), the required azole(10 mmol), K3PO4 (4.4 g, 20 mmol), the required halide (12 mmol)and N,N0-dimethylethylenediamine (0.11 mL, 1.0 mmol) in DMF(5 mL) was degased and heated under argon at 110 C for 72 h.After filtration over celite (washing using AcOEt) and removal ofthe solvents, the crude product is purified by chromatography oversilica gel (the eluent is given in the product description). 4.3.1 1-Phenyl-1H-1,2,4-triazole (2a) Compound 2a was prepared from 1,2,4-triazole (0.69 g) and iodobenzene (1.4 mL) using the general procedure 1, and was isolated (eluent: heptane/AcOEt 7:3) in 96% yield as a yellow powder: mp 48 C (lit. 28 46 C); 1H NMR (CDCl3, 300 MHz) 7.42 (m, 1H), 7.53 (m, 2H), 7.71 (m, 2H), 8.15 (s, 1H), 8.74 (s, 1H); 13C NMR (CDCl3, 75 MHz) 120.1 (2CH), 128.3 (CH), 129.9 (2CH), 137.1 (C), 140.9 (CH), 152.7 (CH).

According to the analysis of related databases, 288-88-0, the application of this compound in the production field has become more and more popular.

Reference:
Article; Nagaradja, Elisabeth; Bentabed-Ababsa, Ghenia; Scalabrini, Mathieu; Chevallier, Floris; Philippot, Stephanie; Fontanay, Stephane; Duval, Raphael E.; Halauko, Yury S.; Ivashkevich, Oleg A.; Matulis, Vadim E.; Roisnel, Thierry; Mongin, Florence; Bioorganic and Medicinal Chemistry; vol. 23; 19; (2015); p. 6355 – 6363;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 41253-21-8, The chemical industry reduces the impact on the environment during synthesis 41253-21-8, name is Sodium 1,2,4-triazol-1-ide, I believe this compound will play a more active role in future production and life.

(3) Synthesis of intermediate 5-(4-chlorobenzyl)-2-methoxymethoxymethyl-2-methyl-1-(1H-1,2,4-triazol-1-ylmethyl)cyclopentanol (Compound (VII), R1 =CH3, Ym =4-Cl, G=CH2OCH3, A=N)1H-1,2,4-Triazole sodium salt (1.196g, 13.1 mmol) was dissolved in NMP (7 ml), and heated to an internal temperature of 115 degrees C. To this, 5-(4-chlorobenzyl)-2-methoxymethoxymethyl-2-methylcyclopentanone (Compound (IX), R1 =CH3, Ym =4-Cl, G=CH2OCH3) (2.60 g, 8.76 mmol) was added, and washed thoroughly with NMP (1.8 ml). After the internal temperature became 115 degrees C again, sodium t-butoxide (505 mg, 5.26 mmol) and trimethylsulfoxonium bromide (2.2379 g, 1.476 mmol) were added in portions over about 3 hours. After completion of the addition, stirring was conducted at the same temperature for 75 minutes. The reaction solution was cooled to 35 degrees C, and then, to the reaction solution, water was added and extraction with ethyl acetate was conducted. The organic layer was washed with water and saturated brine, and dried over anhydrous sodium sulfate. The solvent was distilled away and the residue was subjected to silica gel column chromatography (eluent; hexane:ethyl acetate =3:1 to 0:1) for purification to obtain the desired substance. Product: 2.36 gYield: 71 %Description: Colorless viscous oil

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, Sodium 1,2,4-triazol-1-ide, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; KUREHA CORPORATION; ARAKI, Nobuyuki; YAMAZAKI, Toru; KUSANO, Nobuyuki; IMAI, Eiyu; KANNO, Hisashi; MORI, Masaru; MIYAKE, Taiji; WO2011/70771; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics