Category: 2469-99-0

Related Products of 2469-99-0, A common heterocyclic compound, 2469-99-0, name is 3-Oxobutanenitrile, molecular formula is C4H5NO, 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.

General procedure: DDQ (341 mg, 1.5 mmol) was added to -cyanoketone (0.5 mmol) in ethyl acetate (2 mL). Theresulting reaction mixture was stirred overnight during which time a yellow solid precipitated.Ethyl acetate (30 mL) was added and the resultant mixture was subsequently washed with coldaqueous 5% NaHCO3 (10 mL×3) and brine. Silica gel (0.5 g) was added and the mixture rotaryevaporated. The resulting powder was added to the top of a short silica-gel column and purifiedusing petroleum ether/ethyl acetate in a 10:1~7:1 ratio (volume ratio) as the eluent to afford thedesired product.

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:
Article; Li, Jiang-Sheng; Xue, Yuan; Li, Zhi-Wei; Liu, Wei-Dong; Lu, Cui-Hong; Zhao, Pei-Xia; Synlett; vol. 24; 15; (2013); p. 2003 – 2005;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Related Products of 2469-99-0, The chemical industry reduces the impact on the environment during synthesis 2469-99-0, name is 3-Oxobutanenitrile, I believe this compound will play a more active role in future production and life.

General procedure: In a 250 mL RBF, 3-aminobut-2-enenitrile (2.0 g, 0.24 mole) was added to a stirred solution of cyclohexyl hydrazine hydrochloride (4.0 g, 0.026 mole) and acetic acid (0.1 mL) in ethanol (60 mL). The reaction was refluxed for 6 h. Crude was evaporated and loaded on column to elute out product at 40% ethyl acetate in hexane. (1.74 g, 40%)

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-Oxobutanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Sharma, Swagat; Kozek, Krystian A.; Abney, Kristopher K.; Kumar, Sushil; Gautam, Nagsen; Alnouti, Yazen; David Weaver; Hopkins, Corey R.; Bioorganic and Medicinal Chemistry Letters; vol. 29; 6; (2019); p. 791 – 796;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

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. 2469-99-0, name is 3-Oxobutanenitrile, A new synthetic method of this compound is introduced below., Recommanded Product: 3-Oxobutanenitrile

Step 1. 2-Benzylidene-3-oxobutanenitrile Into a 100-mL round-bottom flask, was placed a solution of 3-oxobutanenitrile (4.15 g, 50.00 mmol, 1.00 equiv) in toluene (50 mL), benzaldehyde (5.3 g, 50.00 mmol, 1.00 equiv), piperidine (430 mg, 5.06 mmol, 0.10 equiv), and acetic acid (600 mg, 10.00 mmol, 0.20 equiv). The resulting solution was heated to reflux for 8 hr. The resulting mixture was concentrated under vacuum. The residue was applied onto a silica gel column with ethyl acetate/petroleum ether (1:10). This resulted in 2.3 g (24%) of 2-benzylidene-3-oxobutanenitrile as a yellow solid.

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; BIOENERGENIX; US2012/277224; (2012); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Electric Literature of 2469-99-0, The chemical industry reduces the impact on the environment during synthesis 2469-99-0, name is 3-Oxobutanenitrile, I believe this compound will play a more active role in future production and life.

General procedure: In a 250 mL RBF, 3-aminobut-2-enenitrile (2.0 g, 0.24 mole) was added to a stirred solution of cyclohexyl hydrazine hydrochloride (4.0 g, 0.026 mole) and acetic acid (0.1 mL) in ethanol (60 mL). The reaction was refluxed for 6 h. Crude was evaporated and loaded on column to elute out product at 40% ethyl acetate in hexane. (1.74 g, 40%)

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-Oxobutanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Sharma, Swagat; Kozek, Krystian A.; Abney, Kristopher K.; Kumar, Sushil; Gautam, Nagsen; Alnouti, Yazen; David Weaver; Hopkins, Corey R.; Bioorganic and Medicinal Chemistry Letters; vol. 29; 6; (2019); p. 791 – 796;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

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. 2469-99-0, name is 3-Oxobutanenitrile, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 3-Oxobutanenitrile

Step 3. 2-Benzyl-3-oxobutanenitrile To a solution of Na (1.17 g, 50.87 mmol) in EtOH (20 mL) was added 3-oxobutanenitrile (2.5 g, 30.09 mmol) and (bromomethyl)benzene (5 g, 29.23 mmol), and the reaction mixture was stirred for 2 hours at 80 C. The resulting mixture was concentrated in vacuo, diluted with water (200 mL), adjusted to pH 6 with HCl (3N), extracted with ethyl acetate (3*100 mL), dried over anhydrous magnesium and concentrated in vacuo to provide a residue, which was purified via silica gel column chromatography with 1.25% to 5% ethyl acetate in petroleum ether to afford 2-benzyl-3-oxobutanenitrile as a brown solid (2 g, 39%). LC/MS (ES, m/z):[M+H]+ 174.1

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 2469-99-0.

Reference:
Patent; BIOENERGENIX; US2012/277224; (2012); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Related Products of 2469-99-0, The chemical industry reduces the impact on the environment during synthesis 2469-99-0, name is 3-Oxobutanenitrile, I believe this compound will play a more active role in future production and life.

General procedure: 3-Acetyl-2-aminothiophene Derivatives; General Procedure Carbonyl compound (0.025 mol) was added to freshly prepared cya-noacetone (0.03 mol) in either MeOH or EtOH (40 mL). Sublimed sul-fur S8 (0.03 mol) and piperidine (0.03 mol) were added and the mix-ture was stirred and heated to 55-65 C for 24 h. Ice was then addedand the formed precipitate was filtered under vacuum and washedwith water. The obtained solid was crystallised from a suitable sol-vent, with the exception of 4g and 4j, which were collected directlywithout further purification. 1-(2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophen-3-yl)ethan-one (4a)Yield: 2.7 g (61%); brown solid; mp 230 C (toluene). 1H NMR (400 MHz, CDCl3): delta = 6.82 (s, 2 H), 2.92-2.87 (m, 2 H), 2.78-2.72 (m, 2 H), 2.44-2.38 (m, 2 H), 2.38 (s, 3 H).13C NMR (100 MHz, CDCl3): delta = 193.7, 168.6, 141.0, 121.3, 112.2,31.74, 29.1, 28.7, 27.3.HRMS (ESI): m/z calcd for [C9H11NOS + Na]+: 204.0454; found:204.0464.Anal. Calcd for C9H11NOS: C, 59.64; H, 6.12; N, 7.73; S, 17.69. Found: C,60.14; H, 6.10, N, 7.48; S, 17.25.

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-Oxobutanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Abdelwahab, Ahmed B.; Hanna, Atef G.; Kirsch, Gilbert; Synthesis; vol. 48; 17; (2016); p. 2881 – 2888;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Adding a certain compound to certain chemical reactions, such as: 2469-99-0, name is 3-Oxobutanenitrile, 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 2469-99-0, Application In Synthesis of 3-Oxobutanenitrile

39 mg (0.3 mmol) of acetyl acetonitrile is added to 89 mg (0.3 mmol) of the third compound.Mix 5 mL of absolute ethanol for 3-5 minutes.Then add piperidine 5 muL,The temperature was raised to 78 C to carry out the reaction.TLC monitors the reaction until the third compound is completely reacted,The reaction is over,And add 20-30ml 10M HCl solution, heated for 30min,Adjust the pH to neutral with saturated sodium bicarbonate,Then extract with dichloromethane,Washed 4 times with saturated brine,Collect organic phase,And dried with anhydrous Na2SO4,Filter to obtain the filtrate,The solvent was distilled off under reduced pressure.Purification by column chromatography (V petroleum ether: V dichloromethane = 2:1) gave 79 mg of red powder, which is a phenothiazine coumarin dye 5B with a large Stokes shift, Mp of 141-143 C, yield 72%,

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-Oxobutanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Guangxi Normal College; Sheng Jiarong; Chen Wenqiang; Yue Xiuxiu; Huang Chusheng; (29 pag.)CN108250220; (2018); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Synthetic Route of 2469-99-0,Some common heterocyclic compound, 2469-99-0, name is 3-Oxobutanenitrile, molecular formula is C4H5NO, 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.

To a stirring suspension of 4-hydrazinylisoqui- noline (0.32 g, 2.0 mmol) and 3-oxo-butyronitrile (0.16 g, 0.19 mmol) in ethanol (10 mE) was heated at 80 C. for 3 h. After cooling to room temperature, 20% aqueous sodium hydroxide (1 mE) was added to the reaction mixture and was further heated at 80 C. for 1 h. The reaction mixture was cooled to room temperature and concentrated in vacuo. The crude residue was dissolved in 1: 1 dichloromethane/methanol (40 mE) and the phases were separated. The organic layer was dried (Na2SO4), and filtered through a pad of Celite. The filtrate was concentrated in vacuo and the crude residue was purified by flash chromatography (Si02, 50-100% ethyl acetate in hexanes) to give the desired product (0.36 g, 1.6 mmol, 81%)

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Oxobutanenitrile, its application will become more common.

Reference:
Patent; ChemoCentryx, Inc.; Cappel, Markus; (83 pag.)US2018/9797; (2018); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Electric Literature of 2469-99-0,Some common heterocyclic compound, 2469-99-0, name is 3-Oxobutanenitrile, molecular formula is C4H5NO, 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.

To a stirring solution of crude 8-fluoro-4-hy- drazinylquinoline (0.27 g, 1.5 mmol) and 3-oxo-butyroni- trile (0.15 g, 0.19 mmol) in pyridine (3 mE) was heated at 80 C. for 15 h. After cooling to room temperature, aqueous saturated sodium bicarbonate was added to the reaction mixture and extracted with dichioromethane (3x 10 mE). The combined organic layers were dried (Na2SO4), filtered, and concentrated in vacuo. The crude residue was used directly without thrther purification (0.14 g, 0.76 mmol, 50%)

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Oxobutanenitrile, its application will become more common.

Reference:
Patent; ChemoCentryx, Inc.; Cappel, Markus; (83 pag.)US2018/9797; (2018); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Synthetic Route of 2469-99-0, The chemical industry reduces the impact on the environment during synthesis 2469-99-0, name is 3-Oxobutanenitrile, I believe this compound will play a more active role in future production and life.

Under nitrogen atmosphere, to a 500 mL of round bottom flask were added 2-cyanoacetone (8 g, 0.096mol) and 200 mL of anhydrous ethanol. 2-cyanoacetone was dissolved with stirring at room temperature. Methylhydrazine (4.43 g, 0.096 mol) was added to obtain a resultant mixture. The mixture was slowly warmed and refluxed. After reacting for 3 hr, the solvent was rotary-evaporated to obtain a product as oil. The product was purified by column chromatography to give 4.2 g of the title compound. MS (ESI): m/z 112 (M+H)+

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-Oxobutanenitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Hande Starlake Bioscience Co., Ltd.; Hande Pharma Limited; LI, Chenxi; SHEN, Weisheng; FANG, Yang; LE, Xiaoyong; EP2578587; (2013); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts