Category: 6298-19-7

In an article, author is Solanki, Bhanupratap singh, once mentioned the application of 6298-19-7, Name is 2-Chloropyridin-3-amine, molecular formula is C5H5ClN2, molecular weight is 128.5596, MDL number is MFCD00006238, category is pyridine-derivatives. Now introduce a scientific discovery about this category, Recommanded Product: 2-Chloropyridin-3-amine.

Selective hydrogenation of 5-HMF to 2,5-DMF over a magnetically recoverable non-noble metal catalyst

A non-noble bimetallic catalyst Cu-Fe (1 : 2) was magnetically recoverable, highly selective and efficient for 5-(hydroxymethyl) furfural (5-HMF) hydrogenation to 2,5-dimethyl furan (DMF). The structure-activity correlation was established by characterising the prepared catalyst by XRD, XPS, TEM, ESEM, BET surface area, N-2-adsorption, NH3-TPD, pyridine-IR and H-2-TPR measurements. The high catalytic efficiency was attributed to the oxophilic nature and Lewis acidity of Fe, whereas the selectivity towards DMF was attributed to the Bronsted acidity of CuO and its affinity towards the C-O bond which was further confirmed by NH3-TPD and Py-IR analyses. XPS and XRD revealed the presence of Cu/CuFe2O4 species which catalyzed the hydrogenolysis pathway. TEM and SEM images evidenced the presence of a Cu-Fe nanomorph in which Cu/CuFe2O4 was present. The size of the Cu-Fe nanomorph was found to be between 15.4-17.6 nm. Under the optimised reaction conditions, the highest conversion of 97% and selectivity of 93% were achieved.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

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. In an article, author is Ding, Xiaodan, once mentioned the application of 6298-19-7, Name is 2-Chloropyridin-3-amine, molecular formula is C5H5ClN2, molecular weight is 128.5596, MDL number is MFCD00006238, category is pyridine-derivatives. Now introduce a scientific discovery about this category, Product Details of 6298-19-7.

Influence of Multiple Hydrogen Bonds on Thermal Expansion Within and Between Two-Dimensional Hydrogen-Bonded Sheets

Hydrogen bonding is one of the most widely used noncovalent interactions for assembling multicomponent materials. Specifically, hydrogen bonds involving carboxylic acids and pyridines are exceptionally reliable, and although frequently utilized, the influence of COO-H center dot center dot center dot N and C-H center dot center dot center dot O hydrogen bonds on thermal expansion (TE) behavior is underexplored. Here, we describe a series of isostructural cocrystals wherein the components self-assemble into two-dimensional (2D) hydrogen-bonded sheets through a combination of COO-H center dot center dot center dot N and C-H center dot center dot center dot O hydrogen bonds. We describe the contribution of these two classic interactions to the TE behavior of the cocrystals. Specifically, two cocrystals exhibit 2D zero TE, and two cocrystals exhibit one-dimensional zero TE. This rare behavior results from the interactions sustaining the 2D hydrogen-bonded sheets, which work in tandem to control TE within the sheets.

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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Reference of 6298-19-7, 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. 6298-19-7, name is 2-Chloropyridin-3-amine, molecular formula is C5H5ClN2, The 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.

(2) Take 2-chloro-3-aminopyridine 124g, DCM 600ml,Triethylamine 111g,Add to the 2000 ml reaction flask.Take the DCM solution of the step acid chloride,Slowly drip into the reaction solution,Maintain internal temperature 15-20 C;After the completion of the dropwise addition, the reaction solution is maintained at 20-30 C for about 1 h;TLC, complete reaction to 2-chloro-3-aminopyridine;The reaction solution was poured into 800 ml of ice water.Adjust the pH to 9-11 with sodium hydroxide, stir for 30 minutes;The aqueous phase was extracted once with 300 ml of DCM; the organic phases were combined; dried over anhydrous sodium sulfate;Concentrated dryMade a pale yellow solid (2) 243g,The yield in two steps was 90.4% and the purity was 97%.

According to the analysis of related databases, 6298-19-7, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Nanjing Nuoxi Biological Technology Co., Ltd.; Zhao Xiaolin; Cui Jiayi; Liao Chaoting; Wang Jinzhu; Ai Yangbao; Zhao Bing; (7 pag.)CN109627241; (2019); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem