Amides-buliding-blocks

Related Products of 1314538-55-0, 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. 1314538-55-0, name is Potassium (((tert-butoxycarbonyl)amino)methyl)trifluoroborate, This compound has unique chemical properties. The synthetic route is as follows.

General procedure: Boc20 (178 uL, 0.77 mmol) was added to a solution of (4-(aminomethyl)phenyl)boronic acid hydrochloride (143 mg, 0.77 mmol) and Cs2C03 (665 mg, 2.04 mmol) in DME (10 mL) and water (1.0 mL) at rt. After being stirred at rt for 30 min, Suzuki coupling was carried out as follow: 2-chloro-N-(3- (lH-imidazol-l-yl)propyl)-3-phenylquinoxaline-6-carboxamide (201 mg, 0.54 mmol) (prepared according to Example 3, step 7) and Pd(dppf)Cl2? CH2C12 (42.0 mg, 51.4 muiotaetaomicron) were added to the reaction mixture. The mixture was heated at 100 C for 10 h under microwave irradiation. After cooling, the mixture was poured into saturated aqueous solution of NaHC03 and extracted with EtOAc. The organic layer was separated, washed with water and brine, dried over MgS04 and concentrated in vacuo. The residue was purified by NH silica gel chromatography to give teri-butyl [4-(6-{[3-(lH-imidazol-l- yl)propyl]carbamoyl}-3-phenylquinoxalin-2-yl)benzyl]carbamate (187 mg, 65%, H NMR (300 MHz, DMSO-i/6) delta 1.23-1.52 (m, 9 H), 2.00-2.12 (m, 2 H), 3.32-3.39 (m, 2 H), 4.05^1.19 (m, 4 H), 6.91 (s, 1 H), 7.10-7.30 (m, 3 H), 7.32-7.77 (m, 9 H), 8.12-8.38 (m, 2 H), 8.69 (d, J= 1.3 Hz, 1 H), 8.91 (t, J= 5.2 Hz, 1 H)

The chemical industry reduces the impact on the environment during synthesis Potassium (((tert-butoxycarbonyl)amino)methyl)trifluoroborate. I believe this compound will play a more active role in future production and life.

Reference:
Patent; MILLENNIUM PHARMACEUTICALS, INC.; GIGSTAD, Kenneth, M.; CARDIN, David, P.; HIRAYAMA, Takaharu; HIROSE, Masaaki; HU, Yongbo; KAKEI, Hiroyuki; LEE, Hong, Myung; MOTOYAJI, Takashi; NII, Noriyuki; SHI, Zhan; VYSKOCIL, Stepan; WATANABE, Hiroyuki; WO2015/161142; (2015); A1;,
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Adding a certain compound to certain chemical reactions, such as: 598-55-0, name is Methyl carbamate, belongs to amides-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 598-55-0, category: amides-buliding-blocks

To a solution of methyl carbamate (20.0 g, 266 mmol) in diethyl ether (300 ml) was added SOCl2 (21.0 mL, 288 mmol) at 0 C, after stirring for 5 min the reaction mixture was allowed to warm to rt and stirred for a further 30 min. A solution of pyridine (40.9 mL, 506 mmol) in diethyl ether (60.0 mL) was added slowly over 1.5 h and then stirred for further 1.5 h. The resulting precipitate was filtered under N2. The filtrate was concentrated in vacuo to give 9 (32.0 g, 264 mmol, Quant.) as yellow oil. The material was used without any further purification [1H NMR (400 MHz, CDCl3) delta 3.94 (3H, s, CH3)]. To a solution of methyl N-(sulfinylidene)carbamate (9, 10.0 g, 83 mmol) in benzene (60.0 mL) was added freshly distilled cyclopentadiene (9.7 mL, 116 mmol) dropwise and the resulting solution was stirred for 20 h at rt. The solution was diluted with THF (110 mL) and phenylmagnesium bromide (1 M in THF, 83.0 mL, 83 mmol) was added over 45 min then stirred for 30 min before being quenched by addition of satd aq NH4Cl (100 mL). Extracted with EtOAc (3 × 100 mL), combined organic phases were washed with brine (100 mL), dried (MgSO4) and concentrated in vacuo. Purification (MPLC, Si, EtOAc/petrol, 80%) gave 10 as mixture of diastereomers in approx. 85% purity, which was used in the subsequent reaction (10.4 g, thick oil, estimated 48% yield taking into account small impurities). 4.2.1 Compound 1012b Orange coloured oil. Rf = 0.72 (EtOAc); IR cm-1 3011, 2360, 2341, 1716, 1516; 1H NMR (400 MHz, CDCl3) delta 7.57-7.47 (5H, m, H-Ar), 6.17-5.99 (2H, m, H-2 and H-3), 5.83 (1H, d, J = 8.8 Hz, NH), 4.78 (1H, dd, J = 8.8 and 8.7 Hz, H-1), 3.84-3.78 (1H, m, H-4), 3.68 (3H, s, CH3), 2.17 (1H, ddd, J = 15.3, 8.7 and 8.5 Hz, H-5), 1.78-1.73 (1H, m, H-5); 13C NMR (100 MHz, CDCl3) 171.1 (CO2Me), 156.3 (C-Ar), 142.0 (C-2 or C-3), 130.9 (C-Ar), 129.3 (C-Ar), 129.1 (C-Ar), 128.0 (C-2 or C-3), 124.0 (C-Ar), 71.2 (C-4), 53.4 (C-1), 52.0 (CH3), 29.2 (C-5); HRMS ESI+ m/z C13H15NO3S calculated: 288.0665 [M+Na]+, found: 288.0654

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:
Article; Cully, Sarah J.; Storr, Thomas E.; Rawling, Michael J.; Abeysena, Induka R.; Hamza, Daniel; Jones, Geraint; Pearce, Christopher A.; Quddus, Abdul; Lewis, William; Stockman, Robert A.; Bioorganic and Medicinal Chemistry; vol. 24; 21; (2016); p. 5249 – 5257;,
Amide – Wikipedia,
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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 640-61-9 as follows. HPLC of Formula: C8H11NO2S

Add 0.2 mmol of N-methyl-p-toluenesulfonamide and a stirrer to a clean Schlenk reaction tube.Then, 1.0 mL of DMF solvent was added by syringe, and 1.0 mmol of NaOH was added to the reaction tube.Finally, 0.6 mmol of 1,1-dichloroethylene was added with a micro syringe, and the bottle was stoppered with a soft rubber stopper, and reacted at 70 C for 24 hours.TLC dot plate detection; after the reaction is completed, the reaction solution is added with ice water and extracted with ethyl acetate three times.The organic layer is concentrated and separated by column chromatography to obtain pure N-methyl-N-ethynyl p-toluenesulfonamide.White solid, yield 93%.

According to the analysis of related databases, 640-61-9, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Jiangxi Normal University; Zhao Junfeng; Tu Yongliang; Zeng Xianzhu; (9 pag.)CN109320441; (2019); A;,
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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 37394-93-7 as follows. Quality Control of 2-Chloro-N-(o-tolyl)acetamide

General procedure: A mixture of 5a-j (18 mmol) and KI (4.4 g, 27 mmol) inacetone (40 mL) was refluxed for 2 h, and the solvent was evaporated in vacuo. Water was added, and the solids were collected and dried to give compounds 6a-j.

According to the analysis of related databases, 37394-93-7, the application of this compound in the production field has become more and more popular.

Reference:
Article; Zhu, Xiong; Fu, Junjie; Tang, Yan; Gao, Yuan; Zhang, Shijin; Guo, Qinglong; Bioorganic and Medicinal Chemistry Letters; vol. 26; 4; (2016); p. 1360 – 1364;,
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Related Products of 120157-97-3, 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. 120157-97-3, name is N-Boc-2-(4-Bromophenyl)ethylamine belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

A mixture of teit-butyl N-[2-(4-bromophenyl)ethyl]carbamate, Intermediate 29 (4.09 g,13.6 mmol), [4-cyanomethyl)phenyl]boronic acid (2.63 g, 16.4 mmol) and K2C03 (5.65 g,40.9 mmol) in 1,4-dioxane (105 ml) was degassed by bubbling a stream nitrogen throughthe mixture for 5 mm. Pd(dppf)C12.CH2CI2 (445 mg, 0.545 mmol) was added anddegassing was continued for a further 5 mm. The reaction mixture was heated at 80 Cfor 15 h then at 100 C for 7 h. The reaction was allowed to cool to RT then retreated with K2C03 (3.76 g, 27.2 mmol) and degassed for 5 mm. Pd(dppf)C12.CH2CI2 (445 mg, 0.545 mmol) was added then the mixture was degassed for a further 5 mm. The resultant mixture was heated at 100 C for 24 h then allowed to cool to RT. The reaction wasretreated with K2C03 (1.88 g, 13.6 mmol) and [4-cyanomethyl)phenyl]boronic acid (0.88 g, 5.5 mmol) then degassed for 10 mm. Pd(dppf)C12.CH2CI2 (445 mg, 0.545 mmol) was added then the mixture was degassed for a further 5 mm. The reaction was heated at 100 C for 18 h then allowed to cool to RT. The reaction mixture was filtered then the collected solids were washed with EtOAc (50 ml). The combined filtrate wasconcentrated in vacuo. The residue was re-dissolved in EtOAc:heptane (1:1) then filtered through a silica pad. The pad was rinsed with EtOAc:heptane (1:1, 200 ml). The filtrate was concentrated in vacuo to afford an off-white solid (3.94 g). The silica pad was rinsed through further with EtOAc (200 ml) to afford a brown solid (1.68 g). The brown solid from the EtOAc filtrate was pre-adsorbed onto silica, then purified by flash columnchromatography on a silica column (50 g). The column was eluted with EtOAc:heptane, using the following gradient (%EtOAc, column volumes): 0%, 1 CV; 0-30%, 11 CV; 30%, 20 CV; 30-45%, 4.5 CV; 45%, 7.5 CV; 45-50%, 1 CV; 50%, 15 CV. The desired fractionswere combined and concentrated in vacuo to afford an off-white solid (1.00 g, 21%).1H NMR (500 MHz, DMSO-d6) O 7.67 (d, J= 8.2 Hz, 2H), 7.59 (d, J= 8.2 Hz, 2H), 7.42(d, J= 8.2 Hz, 2H), 7.28 (d, J= 8.1 Hz, 2H), 6.90 (t, J= 5.5 Hz, 1H), 4.07 (5, 2H), 3.17(q, J = 6.5 Hz, 2H), 2.73 (t, J = 7.4 Hz, 2H), 1.44 – 1.29 (m, 9H).LC/MS (System A): R = 1.27 mi UV purity = 97%.

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, N-Boc-2-(4-Bromophenyl)ethylamine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ENTERPRISE THERAPEUTICS LIMITED; HAY, Duncan, Alexander; SCHOFIELD, Thomas, Beauregard; WENT, Naomi; MCCARTHY, Clive; (108 pag.)WO2019/77340; (2019); A1;,
Amide – Wikipedia,
Amide – 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. 13304-62-6, name is N-Benzylacrylamide belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. name: N-Benzylacrylamide

General procedure: To a solution of 3-iodo-chromone (4 mmol) and olefin (4.8 mmol) in solvent was added catalyst (5 mmol %) and base (8 mmol). The reaction mixture was stirred via microwave heating under air. Then the mixture was poured into 10% HCl ice-water (300 mL) slowly with stirring. The suspension was filtered through a filter and filter cake was collected and dried. The crude product was purified by chromatography over silica gel to give resulting product.

The synthetic route of 13304-62-6 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Zhang, Yikai; Lv, Zhiliang; Zhong, Hanyu; Zhang, Mingfeng; Zhang, Tao; Zhang, Wannian; Li, Ke; Tetrahedron; vol. 68; 47; (2012); p. 9777 – 9787;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Reference of 108966-71-8, 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. 108966-71-8, name is 3,4-Difluorobenzenesulfonamide belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

In a 500 mL round-bottomed flask fitted with a condenser and N2 inlet septum was placed a stir bar, 3, 4-difluoro-benzenesulfonamide (10 g, 52 mmol), anhydrous hydrazine (10. 56 mL, 336 mmol), and acetonitrile (180 mL). The mixture was refluxed for 6 h under N2. The solvent was then removed under vacuum and the residue was treated with H2O. The separated solid was filtered and washed with H20 to give the desired product. Exact mass calculated for C6H8FN302S 205. 03, found 206. 1 (MH+).

The synthetic route of 3,4-Difluorobenzenesulfonamide has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ARENA PHARMACEUTICALS, INC.; WO2005/7658; (2005); A2;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

617-36-7, name is Ethyl 2-amino-2-oxoacetate, belongs to amides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. name: Ethyl 2-amino-2-oxoacetate

4′-Nitro-2-bromoacetophenone (6.100 g, 25 MMOL) and ethyl thioxamate (3.460 g, 26 MMOL) were dissolved in MeOH (20 mL) and the solution was refluxed for 1 h. After cooling to room temperature, the precipitated solid was collected by filtration, washed with cold MEOH and dried under vacuum (5.15 g, 75% yield).

The synthetic route of 617-36-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; BOEHRINGER INGELHEIM PHARMA GMBH & CO KG; WO2004/65367; (2004); A1;,
Amide – Wikipedia,
Amide – 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. 869494-16-6, name is tert-Butyl 3,6-diazabicyclo[3.1.1]heptane-6-carboxylate, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C10H18N2O2

A mixture of (R)-4-(6-fluoropyridin-3 -yl)-6-(2-hydroxypropoxy)pyrazolo[ 1,5 – a]pyridine-3-carbonitrile (Intermediate P66; 100 mg, 0.320 mmol) 3,6-diaza- bicyclo[3.1.1]heptane-6-carboxylic acid tert-butyl ester (95.2 mg, 0.480 mmol) and K2C03(s) (443 mg, 3.20 mmol) in DMSO (1601 tL) was stirred for 3 d at 80 °C. The reaction mixture was cooled to ambient temperature, then diluted with water (10 mL), and extracted with DCM (4 x 10 mL). The combined organic extracts were washed with brine (10 mL), then dried over anhydrous Na2SO4(), filtered, and concentrated in vacuo. The crude residue was purified by silica chromatography (using 50-100percent EtOAc in Hexanes as the gradient eluent) to cleanly provide the title compound (97 mg, 62percent yield). MS (apci) m/z = 491.2 (M+H).

According to the analysis of related databases, 869494-16-6, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ANDREWS, Steven W.; ARONOW, Sean; BLAKE, James F.; BRANDHUBER, Barbara J.; COOK, Adam; HAAS, Julia; JIANG, Yutong; KOLAKOWSKI, Gabrielle R.; MCFADDIN, Elizabeth A.; MCKENNEY, Megan L.; MCNULTY, Oren T.; METCALF, Andrew T.; MORENO, David A.; TANG, Tony P.; REN, Li; (668 pag.)WO2018/71447; (2018); A1;,
Amide – Wikipedia,
Amide – 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. 830-43-3, name is 4-(Trifluoromethyl)benzenesulfonamide, A new synthetic method of this compound is introduced below., Recommanded Product: 830-43-3

EXAMPLE 159 Synthesis of 1-(2-chlorobenzyl)-2-methyl-6-[4-(trifluoromethyl)benzenesulfonylcarbamoyl]benzimidazole (221) In the same manner as in Example 158, 0.390 g of 1-(2-chlorobenzyl)-2-methyl-6-[4-(trifluoromethyl)benzenesulfonylcarbamoyl]benzimidazole (221) were formed from 0.450 g of 6-carboxy-1-(2-chlorobenzyl)-2-methylbenzimidazole, 0.486 g of N,N’-carbonyldiimidazole, 0.676 g of 4-(trifluoromethyl)benzenesulfonamide and 0.457 g of diazabicycloundecene.

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; Fujisawa Pharmaceutical Co., Ltd.; US6166219; (2000); A;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics