Category: 6818-99-1

Some common heterocyclic compound, 6818-99-1, name is 3-Chloro-1,2,4-triazole, molecular formula is C2H2ClN3, 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. Quality Control of 3-Chloro-1,2,4-triazole

The procedure described in G.B. 1,157,256 was followed: In a 100 ml flask equipped with a mechanical stirrer, a temp probe, a heating mantle, a reflux condenser, and a positive nitrogen set up was placed with 3-chloro-1,2,4-triazole 5.2 gm (50.24 mmoles), NaCN 2.6 gm (53.05 mmoles), and dimethylformamide 55 ml. The mixture was heated to reflux for 16 hours and quenched with 250 ml ice water. The solid was filtered, washed with water, and dried to give a black solid, 0.53 gm (11% yield).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 6818-99-1, its application will become more common.

Reference:
Patent; Ampac Fine Chemicals LLC; US2009/292122; (2009); A1;,
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. 6818-99-1, name is 3-Chloro-1,2,4-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below. category: Triazoles

300 mg of intermediate 31, sodium hydride(60%, oil) 45 mg and DMF 1.3 mL, 116 mg of 3-chloro-1 H-1,2,4-triazole was added under ice cooling. After the reaction mixture was stirred for 20 hours under ice cooling, water was added to the reaction mixture,And extracted with ethyl acetate. The obtained organic layer was washed with water,After drying with anhydrous sodium sulfate, it was dried under reduced pressure.The obtained residue was subjected to silica gel chromatography,240 mg of the present compound 1299 described below was obtained.

The synthetic route of 6818-99-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Sumitomo Chemical; Ikari, Kaori; (123 pag.)JP2019/6686; (2019); 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. 6818-99-1, name is 3-Chloro-1,2,4-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below. Computed Properties of C2H2ClN3

EXAMPLE 188 A mixture of 3-chloro-1,2,4-triazole (10.3 g., 0.1 m.) and 1,3-diaminopropane (7.4 g., 0.1 m.) in ethanol containing sodium ethoxide is allowed to stand overnight. The solvent is removed to give 3-(3-aminopropylamino)-1,2,4-triazole.

The synthetic route of 6818-99-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Smith Kline & French Laboratories Limited; US3950353; (1976); A;,
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. 6818-99-1, name is 3-Chloro-1,2,4-triazole, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 3-Chloro-1,2,4-triazole

STR18 A mixture of 34 g (246 mmol) of potassium carbonate and 35 g (338 mmol) of 3-chloro-1,2,4-triazole in 130 ml of acetone is refluxed. To this mixture there is added dropwise a solution of 50 g (169 mmol) of 2-bromo-4-chloro-1-(4-chlorophenyl)-butan-1-one in 60 ml of acetone. The mixture is boiled under reflux for a further 8 hours, the solid residue is then filtered off with suction, and the solvent is stripped off under reduced pressure. The residue which remains is taken up in ethyl acetate. The solution is washed with water, dried over sodium sulphate and concentrated under reduced pressure. The residue which remains is chromatographed on silica gel using dichloromethane as the eluent. Concentration of the elude by evaporation gives 42.9 g (90% of theory) of 1-(4-chlorobenzoyl)-1-(3-chloro-1,2,4-triazol-1-yl)-cyclopropane in the form of a solid of melting point 85 C.

According to the analysis of related databases, 6818-99-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Bayer Aktiengesellschaft; US5096913; (1992); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical industry reduces the impact on the environment during synthesis 6818-99-1, name is 3-Chloro-1,2,4-triazole, I believe this compound will play a more active role in future production and life. 6818-99-1

A solution of 4-[5-(6-chloro-3-ethylsulfonyl-2-pyridyl)-4-methyl-1 ,2,4-triazol-3-yl]-6-(trifluoromethyl) pyrimidine (300 mg, 0.693 mmol) and 3-chloro-1 H-1 ,2,4-triazole (107.6 mg, 1.04 mmol) in pyridine (3 ml) unter argon was heated in the microwave at 120C for 30 minutes. After cooling, the reaction mixture was poured onto iced water (20 ml), the suspension filtered and the solid washed with cold water. This residue was dissolved in dichloromethane, dried over sodium sulfate, filtered and concentrated to dryness to afford the title compound 4-[5-[6-(3-chloro-1 ,2,4-triazol-1-yl)-3-ethylsulfonyl-2- pyridyl]-4-methyl-1 ,2,4-triazol-3-yl]-6-(trifluoromethyl)pyrimidine (compound P48) as a solid, mp 261- 263C. LCMS (method 1 ): 500/502 (M+H)+; retention time: 0.96 min. H-NMR (CDCI3, ppm) 1.38 (t, 3H), 3.72 (q, 2H), 4.14 (s, 3H), 8.25 (d, 1 H), 8.73 (d, 1 H), 8.79 (s, 1 H), 9.07 (s, 1 H), 9.48 (s, 1 H).

The chemical industry reduces the impact on the environment during synthesis 6818-99-1. I believe this compound will play a more active role in future production and life.

Reference:
Patent; SYNGENTA PARTICIPATIONS AG; MUEHLEBACH, Michel; JUNG, Pierre, Joseph, Marcel; EDMUNDS, Andrew; EMERY, Daniel; BUCHHOLZ, Anke; (145 pag.)WO2017/16910; (2017); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical industry reduces the impact on the environment during synthesis 6818-99-1, name is 3-Chloro-1,2,4-triazole, I believe this compound will play a more active role in future production and life. 6818-99-1

200 mg of intermediate 35, 60% sodium hydride(Oily) 37 mg, and DMF 2 mL,Under ice-cooling, 67 mg of 3-chloro-1H-1,2,4-triazole was added. After stirring for 2.5 hours under ice cooling,Saturated multilayer aqueous solution was added to the reaction mixture,And extracted with ethyl acetate. The organic layer was washed with water and saturated brine, and dried over anhydrous sodium sulfate.The obtained organic layer was dried under reduced pressure.The obtained residue was subjected to silica gel chromatography,171 mg of the present invention compound 246 described below was obtained.

The chemical industry reduces the impact on the environment during synthesis 6818-99-1. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Sumitomo Chemical; Ikari, Kaori; (123 pag.)JP2019/6686; (2019); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

6818-99-1, 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. 6818-99-1, name is 3-Chloro-1,2,4-triazole, This compound has unique chemical properties. The synthetic route is as follows.

Example 20[6-(3-Chloro-[1,2,4]triazol-1-yl)-3-methyl-5-(3-trifluoromethyl-phenyl)-pyridin-2-yl]-(4-pyrrolidin-1-yl-piperidin-1-yl)-methanone; A well stirred solution of 0.17 g (1.59 mmol) of 3-chloro-1H-[1,2,4]triazole in 1.0 ml of 1-methyl-pyrrolidin-2-one was treated at RT with 0.058 g (1.32 mmol) of a sodium hydride (55% in mineral oil). After 30 min, 0.20 g (0.44 mmol) of [6-chloro-3-methyl-5-(3-trifluoromethyl-phenyl)-pyridin-2-yl]-(4-pyrrolidin-1-yl-piperidin-1-yl)-methanone (example 3) was added and the reaction mixture was heated up to 150 C. After 24 hours, it was poured into crashed ice and extracted twice with EtOAc; the organic phases were washed with water, dried over magnesium sulfate, filtered and evaporated. The residue was purified by flash column chromatography (CH2Cl2/MeOH 1:0 to 95:5) to give 0.11 g (48%) of the title compound as yellow oil. MS: 519.3 (MH+, 1Cl).

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; Adam, Jean-Michel; Aebi, Johannes; Binggeli, Alferd; Green, Luke; Hartmann, Guido; Maerki, Hans P.; Mattei, Patrizio; Ricklin, Fabienne; Roche, Olivier; US2009/318467; (2009); A1;,
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. 6818-99-1, name is 3-Chloro-1,2,4-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below. 6818-99-1

2- [6-Chloro-3- (ethanesulfonyl) pyridin-2-yl] -3-methyl-6-[(trifluoromethyl) sulfanyl]-3H-imidazo [4,5-b] pyridine 200 mg, 60% sodium hydride (oily) 37 mg, and a mixture of 2 mL of DMF, was added under ice-cooling 3-chloro-1H-1,2,4-triazole 67 mg. After the mixture was stirred under ice-cooling for 2.5 hours, a saturated aqueous solution layer was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with water, and saturated brine, and dried with anhydrous sodium sulfate. The resulting organic layer was dried under reduced pressure. The resulting residue was subjected to silica gel chromatography to obtain 171mg of the compound of the present invention beta38 referred to below.

The synthetic route of 6818-99-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SUMITOMO CHEMICAL COMPANY LIMITED; NAKAJIMA, YUJI; OKAWARA, YUICHI; (263 pag.)JP2016/102104; (2016); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 6818-99-1 name is 3-Chloro-1,2,4-triazole, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below. 6818-99-1

A solution 2-(5-bromo-3-ethylsu lfanyl-2-pyridyl)-5-cyclopropyl-3-methyl-6-(trifluoromethyl)im idazo[4 , 5- c]pyridin-4-one A4 (Prepared as described before, 150 mg, 0.3169 mmol) in N,N-dimethylformamide (0.3169 mL)was added 3-chloro-1H-1,2,4-triazole (36.09 mg, 0.3486 mmol), (1R,2R)-N1,N2-dimethylcyclohexane-1,2-diamine (2.822 mg, 0.00341 mL, 0.03169 mmol), potassium carbonate (8.760 mg, 0.064 mmol) and copper(l) iodide (3.018 mg, 0.01585 mmol). The reaction mixture was stirred at reflux overnight. Same quantity of N,N-dimethylethylenediamine, copper(l) iodide and potassium carbonate were added at the mixture and the mixture was stirred at 120C overnight The reaction mixture was filtered through an Hyflo pad, which was rinsed with methanol, then the reactionmixture was concentrated under vacuum. The residue was subjected to column chromatography over silica gel, eluting with ethyl acetate I cyclohexane. The selected fractions were evaporated to yield the title compound (30% yield). LC-MS(Method A): RT 1.08, 476 (M+H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Chloro-1,2,4-triazole, and friends who are interested can also refer to it.

Reference:
Patent; SYNGENTA PARTICIPATIONS AG; JUNG, Pierre, Joseph, Marcel; EDMUNDS, Andrew; MUEHLEBACH, Michel; HALL, Roger, Graham; (106 pag.)WO2017/89190; (2017); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics