9/3/2021 News The important role of 50594-78-0

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.

Related Products of 50594-78-0, A common heterocyclic compound, 50594-78-0, name is 5-Fluoro-2-nitrobenzonitrile, molecular formula is C7H3FN2O2, its 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.

A mixture of 5-fluoro-2-nitrobenzonitrile (9.7Og, 58mmol) and 10% palladium on charcoal (Ig) in MeOH (20OmL) was stirred under an atmosphere of hydrogen for 5h. The mixture was filtered through a pad of celite and evaporated. The residue was triturated with Et2O-hexane EPO (4OmL / 1:3) and filtered. Evaporation of the filtrate afforded the product as a pale yellow solid (4.65g, 58%). 1H NMR (CDCl3) 7.09 (2H, m), 6.71 (IH5 m), 4.29 (2H, bs).

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; JAMES BLACK FOUNDATION; WO2006/129120; (2006); A2;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

9/3/2021 News Discovery of 630-18-2

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.

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. 630-18-2, name is Pivalonitrile, A new synthetic method of this compound is introduced below., Computed Properties of C5H9N

H. 7-(3-(1,1-Dimethylethyl-1,2,4-oxadiaz-5-yl)-1-(4-methylpiperazin-1-yl)naphthalene Sodium (0.112 g, 4.9 mmol), hydroxylamine hydrochloride (0.35 g, 5 mmol), and trimethylacetonitrile (0.334 g, 2.0 mmol) and methanol (5 mL) were used to prepare trimethylacetamidoxime (0.35 g, 100%) as described above.

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; Pfizer Inc.; US6166020; (2000); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

9/3/2021 News Some scientific research about 118431-88-2

The synthetic route of 118431-88-2 has been constantly updated, and we look forward to future research findings.

Reference of 118431-88-2, A common heterocyclic compound, 118431-88-2, name is 3-Cyclopropyl-3-oxopropanenitrile, molecular formula is C6H7NO, its 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.

Methyl hydrazine (lmL) was added to a solution of 3-cyclopropyl-3-oxopropanenitrile (lg, 9.l7mmol) in ethanol (l5mL). The resulting reaction mass was heated to reflux for 12h. The reaction mass was quenched with ice cold water and extracted with ethyl acetate. The organic layer was washed with brine, dried over anhydrous sodium sulphate and concentrated under reduced pressure to afford the title compound (1.lg, 97%) LCMS: mlz = 138 (M+H)t

The synthetic route of 118431-88-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; AURIGENE DISCOVERY TECHNOLOGIES LIMITED; SAMAJDAR, Susanta; PODDUTOORI, Ramulu; PANDIT, Chetan; MUKHERJEE, Subhendu; GOSWAMI, Rajeev; (126 pag.)WO2016/193939; (2016); A1;,
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9/3/2021 News New downstream synthetic route of 78473-00-4

The synthetic route of 78473-00-4 has been constantly updated, and we look forward to future research findings.

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. 78473-00-4, name is 4-Amino-3,5-dichlorobenzonitrile belongs to nitriles-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. HPLC of Formula: C7H4Cl2N2

nto a 1000 mL three-neck flask were put 9.4 g (50 mmol) of 4-amino-3,5-dichlorobenzonitrile, 26 g (253 mmol) of isobutylboronic acid, 54 g (253 mmol) of tripotassium phosphate, 2.0 g (4.8 mmol) of 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl (S-phos), and 500 mL of toluene. The atmosphere in the flask was replaced with nitrogen, and this mixture was degassed while being stirred under reduced pressure. After the degassing, 0.88 g (0.96 mmol) of tris(dibenzylideneacetone)palladium(0) was added, and the mixture was stirred under a nitrogen stream at 130 C. for 8 hours to be reacted. Toluene was added to the obtained reacted solution, and the mixture was filtered through a filter aid in which Celite (Catalog No. 531-16855, manufactured by Wako Pure Chemical Industries, Ltd. (the same applies to Celite in the following description)), aluminum oxide, and Celite were stacked in this order. the obtained filtrate was concentrated to give an oily substance. The obtained oily substance was purified by silica column chromatography. Toluene was used as a developing solvent. The resulting fraction was concentrated to give 10 g of a yellow oily substance in a yield of 87%. The obtained yellow oily substance was identified as 4-amino-3,5-diisobutylbenzonitrile by nuclear magnetic resonance (NMR).

The synthetic route of 78473-00-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Semiconductor Energy Laboratory Co., Ltd.; Watabe, Takeyoshi; Watabe, Satomi; Yoshizumi, Hideko; Hara, Tomoka; Yamada, Yui; Ishisone, Takahiro; Kido, Hiromitsu; Suzuki, Kunihiko; Seo, Satoshi; (88 pag.)US2018/62084; (2018); A1;,
Nitrile – Wikipedia,
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3-Sep-21 News The important role of 147754-12-9

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.

Adding a certain compound to certain chemical reactions, such as: 147754-12-9, name is 4-Fluoro-2-methylbenzonitrile, belongs to nitriles-buliding-blocks 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 147754-12-9, Recommanded Product: 4-Fluoro-2-methylbenzonitrile

a) 1.35 g 4-Fluoro-2-methyl-benzonitrile, dissolved in DMF, was added to 2.11 g 4-Hydroxy-piperidine-1-carboxylic acid tert-butyl ester and 0.6 g sodium hydride in 30 mL DMF. The mixture was stirred at room temperature (rt) until the reaction was complete. The reaction was quenched with water. The aqueous layer was extracted with ethylacetate (AcOEt) or methyl tert. butyl ether (MTB ether). The combined organic layers were washed with brine, dried and concentrated to to give 2.6 g (yield 81percent) 4-(4-Cyano-3-methyl-phenoxy)-piperidine-1-carboxylic acid tert-butyl ester. Mass: (C18H24N2O3): calcd. 316, found 261 [M+H-t(C4H9)]+

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; SANOFI; GESSLER, Simon; WOLLMANN, Theo; US2013/12711; (2013); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

3-Sep-2021 News New learning discoveries about 1572-52-7

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

Adding a certain compound to certain chemical reactions, such as: 1572-52-7, name is 2-Methylenepentanedinitrile, belongs to nitriles-buliding-blocks 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 1572-52-7, Product Details of 1572-52-7

(0099) At 0 C., 8.96 g (56.07 mmol) of bromine are slowly added dropwise to a solution of 7.0 g (65.96 mmol) of 2-methylenepentanedinitrile. The reaction mixture is then stirred at 35 C. for 2 hours. The reaction mixture is then once more cooled to 0 C., and 6.52 g (85.75 mmol) of 1-hydroxyurea are added. A solution of 7.13 g (178.09 mmol) of NaOH in 15 ml of water is then slowly added dropwise at 0 C., and the mixture is boiled under reflux for 3.5 hours. The solvents are concentrated and the residue is then dissolved in 20 ml of water and extracted three times with in each case 10 ml of dichloromethane. The combined organic phases are dried over sodium sulfate and concentrated. Yield: 2.8 g (29%). (0100) 1H-NMR, DMSO-d6, 400 MHz: 8.24 (s, 1H), 5.56 (bs, 2H), 2.71 (t, 2H), 2.60 (t, 2H).

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

Reference:
Patent; BAYER CROPSCIENCE AG; KOEHN, Arnim; AHRENS, Hartmut; BRAUN, Ralf; HEINEMANN, Ines; TIEBES, Joerg; WALDRAFF, Christian; DIETRICH, Hansjoerg; GATZWEILER, Elmar; ROSINGER, Christopher Hugh; SCHMUTZLER, Dirk; US2015/307462; (2015); A1;,
Nitrile – Wikipedia,
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3-Sep-2021 News Continuously updated synthesis method about 874-89-5

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.

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. 874-89-5, name is 4-(Hydroxymethyl)benzonitrile, A new synthetic method of this compound is introduced below., Quality Control of 4-(Hydroxymethyl)benzonitrile

Example 53 N’-hydroxy-4-(hydroxymethyl)benzenecarboximidamide: A solution of hydroxylamine hydrochloride (5.2 g), 4-(hydroxymethyl)benzonitrile (5.0 g), and sodium hydrogen carbonate (12.6 g) in methanol (50 mL) was heated to reflux for 20 hours. The reaction mixture was filtered through Celite (trade name). Thus, the filtrate was concentrated to thereby give the title compound having the following physical properties. The product was used for next reaction without further purification. TLC: Rf 0.21(chloroform:methanol:aqueous ammonia = 80:10:1); NMR (CDCl3): delta 7.61 (d, J = 8.10 Hz, 2H), 7.37 (d, J = 8.10 Hz, 2H), 4.61 (s, 2H).

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; ONO PHARMACEUTICAL CO., LTD.; EP1760071; (2007); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

3-Sep-2021 News Share a compound : 103146-25-4

The synthetic route of 103146-25-4 has been constantly updated, and we look forward to future research findings.

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. 103146-25-4, name is 4-(4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl)-3-(hydroxymethyl)benzonitrile, A new synthetic method of this compound is introduced below., HPLC of Formula: C20H23FN2O2

Experiment 36: Experiment 11 was repeated except that a mixture of 1-propanol and ethylacetate (31:69) was used as the solvent in stead of 1-propanol in a total volume of 4.5 V whereupon extra 2 V 1-propanol was added, 0.25 eq of (+)-O,O’-di-/?-toluoyl-(S,S)- tartaric acid was used, and the holding time before filtration was 0.5 h. Molar yield: 28.6%, enantiomeric purity: 98.4% S.

The synthetic route of 103146-25-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; H. LUNDBECK A/S; WO2009/33488; (2009); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

September 2,2021 News Share a compound : 134227-45-5

Statistics shows that 3,4,5-Trifluorobenzonitrile is playing an increasingly important role. we look forward to future research findings about 134227-45-5.

Reference of 134227-45-5, These common heterocyclic compound, 134227-45-5, name is 3,4,5-Trifluorobenzonitrile, its 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.

Example 342A 3,5-difluoro-4-azepan-1-ylbenzonitrile The title compound was prepared using the procedure described in Example 325A except using 3,4,5-trifluorobenzonitrile and azepane instead of 3,4-difluorobenzonitrile and 8-aza-bicyclo[3.2.1]octane hydrochloride. 1H NMR (DMSO-d6) delta 7.62 (d, 2H), 3.39 (m, 4H), 1.73 (m, 4H), 1.61 (m, 4H); MS (ESI) m/z 237 (M+H)+.

Statistics shows that 3,4,5-Trifluorobenzonitrile is playing an increasingly important role. we look forward to future research findings about 134227-45-5.

Reference:
Patent; Lee, Chih-Hung; Bayburt, Erol K.; DiDomenico JR., Stanley; Drizin, Irene; Gomtsyan, Arthur R.; Koenig, John R.; Perner, Richard J.; Schmidt JR., Robert G.; Turner, Sean C.; White, Tammie K.; Zheng, Guo Zhu; US2004/157849; (2004); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

September 2,2021 News Introduction of a new synthetic route about 3215-64-3

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, 2-(2,6-Dichlorophenyl)acetonitrile, other downstream synthetic routes, hurry up and to see.

Application of 3215-64-3, The chemical industry reduces the impact on the environment during synthesis 3215-64-3, name is 2-(2,6-Dichlorophenyl)acetonitrile, I believe this compound will play a more active role in future production and life.

Alternative Conditions. To a solution of sodium (169 mg, 7.35 mmol) dissolved in 2-ethoxyethanol (7.0 mL) was added 2,6-dichlorophenylacetonitrile (1.40 g, 7.53 mmol) and (IV) (502 mg, 3.66 mmol), and the mixture was then stirred at reflux for 30 minutes. The resulting solution was diluted with aqueous NaHCO3 (50 mL) and extracted with EtOAc (3*50 mL). The solvents were removed under reduced pressure, then chromatography of the residue on silica gel, eluding with 2-3% MeOH/CH2 Cl2, gave firstly a mixed fraction, which on crystallisation from CHCl3 /light petroleum gave 2,6-dichlorophenylacetamide (165 mg): mp (MeOH/CH2 Cl2) 211.5-213 C. 1 H NMR [(CD3)2 SO] delta 7.53 (br s, 1H, NH), 7.44 (d, J=8.1 Hz, 2H, H-3,5), 7.30 (dd, J=8.5, 7.6 Hz, 1H, H-4), 7.02 (br s, 1H, NH), 3.77 (s, 2H, CH2). 13 C NMR delta 169.60 (s, CONH2), 135.56 (s, 2 C, C-2,6), 132.67 (s, C-1), 129.22 (d, C-4), 128.09 (d, 2 C, C-3,5), 37.31 (t, CH2). Analysis calculated for C8 H7 Cl2 NO) requires: C, 47.1; H, 3.4; N, 6.9% Found: C, 47.3; H, 3.5; N, 7.1%.

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-(2,6-Dichlorophenyl)acetonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Warner-Lambert Company; US6150359; (2000); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts