Author: Jessica.F

Related Products of 59557-91-4, 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. 59557-91-4, name is 4-Bromo-2-methoxyaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

STEP 2: tert-Butyl 7-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)-2,3- dihydrobenzoxazepine-4(5H)-carboxylate (500 mg, 2.33 mmol), 4-bromo-2- methoxyaniline (296 mg, 1.47 mmol), potassium carbonate (737 mg, 5.34 mmol) and [l,r-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (97.5 mg, 0.13 mmol) were heated at HO0C in DME (7 mL) and water (1 mL) over 48 h. The mixture was then cooled to room temperature and diluted with an excess of ethyl acetate and filtered through a bed of celite. The filtrate was partitioned with water and the organic phase washed with brine and dried over anhydrous sodium sulfate. The mixture was filtered and concentrated and the residue purified by silica chromatography using 85:15 hexanes: ethyl acetate as eluent to give 1,1-dimethylethyl 7-[4-amino-3- (methyloxy)phenyl]-2,3-dihydro-l,4-benzoxazepine-4(5H)-carboxylate (198 mg, 40%). MS (EI) C2IH26N2O4: 371 (MH+).

The synthetic route of 4-Bromo-2-methoxyaniline has been constantly updated, and we look forward to future research findings.

Reference:
Patent; EXELIXIS, INC.; ANAND, Neel, Kumar; BAIK, Tae-Gon; BLAZEY, Charles, M.; BUSSENIUS, Joerg; CURTIS, Jeffry, Kimo; DEFINA, Steven, Charles; DUBENKO, Larisa; HARRIS, Jason, R.; JACKSON-UGUETO, Eileen; JOSHI, Anagha; KIM, Angie, Inyoung; MANALO, Jean-Claire, Limun; PETO, Csaba, J.; RICE, Kenneth, D.; TSANG, Tsze, H.; WO2010/135568; (2010); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

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. 6298-96-0, name is 1-(4-Methoxyphenyl)ethylamine, A new synthetic method of this compound is introduced below., Recommanded Product: 6298-96-0

A mixture of (S)-1-(4-methoxyphenyl)-ethylamine (475 mg) and 6-chloropurine riboside (300 mg) in PrOH (70 ml) was heated to 70C and reacted for 8 h. After evaporation of the reaction mixture, the residue was separated by column chromatography over Sephadex LH-20 gel and eluted with ethanol to yield N6-[(S)-1-(4-methoxyphenyl)-ethyl]-adenosine(345 mg) as a white solid: positive ESIMS m/z 402 [M + H]+ and 424 [M + Na]+; 1H NMR (300 MHz, DMSO-d6): the adenosine moiety delta 8.38 (1H, s, H-2), 8.23 (1H, brs, -NH), 8.18 (1H, s, H-8), 5.90 (1H, d, J= 6.3 Hz, H-1′), 5.46 (1H, d, J= 6.3 Hz, -OH), 5.42 (1H, m, -OH), 5.20 (1H, d, J= 4.5 Hz, -OH), 4.61 (1H, m, H-2′), 4.16 (1H, m, H-3′), 3.98 (1H, m, H-4′), 3.66 (1H, m, H-5’a), 3.54 (1H, m, H-5’b); the (S)-1-(4-methoxyphenyl)-ethyl moiety delta 7.35 (1H, d, J = 8.4 Hz, H-2′, H-6′), 6.84 (1H, d, J = 8.4 Hz, H-3′, H-5′), 5.48 (1H, m, H-7′), 3.71 (3H, s, -OCH3), 1.51 (3H, d, 7.2Hz, H-8′); 13C NMR (75 MHz, DMSO-d6): the adenosine moiety delta,153.9 (s, C-6), 152.3 (d, C-2), 148.6 (s, C-4), 139.8 (d, C-8), 119.7 (s, C-5), 88.0 (d, C-1′), 85.9 (d, C-4′), 73.6 (d, C-2′), 70.7 (d, C-3′), 61.7 (t, C-5′); the (S)-1-(4-methoxyphenyl)-ethyl moiety delta 158.0 (s, C-4′), 137.1 (s, C-1′), 127.3 (d, C-2′, C-6′), 113.6 (d, C-3′, C-5′), 55.0 (q, -OCH3), 48.2 (d, C-7′), 22.5 (q, C-8′)o

The synthetic route of 6298-96-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF MEDICAL SCIENCES; EP2511283; (2012); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

These common heterocyclic compound, 41406-00-2, name is 3-Isopropoxyaniline, 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. Formula: C9H13NO

EXAMPLE A; 3-(3-Isopropoxy-phenyl)-2-thioxo-2,3-dhydr-1H-quinazolin-4-one To a solution of 3-isopropoxy aniline (6.0 g, 40 mmol) in 150 ml of CHCl3 was added dropwise thiophos-gene (2.81 ml, 44 mmol) at 0 C. After the addition of thiophosgene, triethylamine (7.0 ml, 48 mmol) was added slowly and the reaction mixture was stirred for 2 hours at room temperature. It was then concentrated and diluted with 200 ml of ethyl acetate. The triethylamine hydrochloride salt was filtered off and the filtrate was concentrated to yield crude 3-isopropoxyphenyl isothiocyanate.The crude 3-isopropoxyphenyl isothiocyanate was dissolved in 150 ml of acetic acid, and anthranilic acid (6.04 g, 44 mmol) was added. The resulting reaction mixture was refluxed for 16 hours and then cooled to room temperature. The white solid was separated which was filtered to yield 9.0 g of the title compound (72.1%) mp 288-290 C.

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

Reference:
Patent; Warner-Lambert Company; US6897213; (2005); B1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

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. 5414-19-7, name is 1-Bromo-2-(2-bromoethoxy)ethane, A new synthetic method of this compound is introduced below., Formula: C4H8Br2O

To a stirred solution of 3-amino-l-bromoisoquinoline (444 mg, 2.00 mmol) in anhydrous dimethylformamide (10 mL) was added sodium hydride (60%, unwashed, 96 mg, 2,4 mmol) in one portion. The mixture was stirred at 25C for 5 min before 2- bromoethyl ether (90%, 250 muL, 2.00 mmol) was added. The mixture was stirred further at 25C for 5 h and at 75 0C for 72 h before it was cooled to 25C} quenched with saturated ammonium chloride solution and diluted with ethyl acetate. The organic layer was separated, washed with water and brine, dried over Na2SO45 filtered and concentrated. Purification of the residue on silica gel elutmg with 0% to 70% ethyl acetate/hexanes afforded Cap- 143, step a as a yellow solid (180 mg, 31%). Rt = 1.75 min (Cond. MS-Wl); 90% homogenily index; LCMS: Anal. CaIc. for [M+H]+ C13H14BrN2O: 293.03; found: 293.04.

The synthetic route of 5414-19-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; LOPEZ, Omar D.; CHEN, Qi; BELEMA, Makonen; WO2010/138368; (2010); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

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. 910251-11-5, name is Potassium trifluoro(methoxymethyl)borate, This compound has unique chemical properties. The synthetic route is as follows., HPLC of Formula: C2H5BF3KO

Intermediate 52a 6-chloro-3-(methoxymethyI)-l-trityl-lH-pyrazolo[43-c]pyridine Under Argon, the solution of 6-cUoro-3-iodo-l-trityl-lH-pyrazolot4,3-c]pyridine (52 mg, 0.100 mmol), potassium methoxymethyltrifluoroborate (16.66 mg, 0.110 mmol), palladium(n) acetate (0.671 mg, 2.99 mupiiotaomicron), (2-DICYCLOHEXYLPHOSPfflNO-2′,6′- DIISOPROPYL-l,l’-BIPHENYL)[2-(2-AMINOETHYL)PHENYL)]PALLADIUM(n) (4.36 mg, 5.98 mol) and cesium carbonate (0.024 ml, 0.299 mmol) in 1,4-Dioxane (0.9 ml) and Water (0.1 ml) was allowed to stir at 100 C for 24h. LC-MS showed the desired product’s mass. EtOAc was added into the mixture and the organic layer was washed by water and brine. After drying over Na2S04 the organic layer was evaporated under reduced pressure yielding 6- c oro-3-(memoxymethyl)-l-1rityl-lH-pyrazolo[4,3-c]pyridine, 52a. The intermediate was taken to the next reaction without further purification. MS ESI Calc’d for C27H22CIN3O [M+H]+ 440, found 440.

According to the analysis of related databases, 910251-11-5, the application of this compound in the production field has become more and more popular.

Reference:
Patent; MERCK SHARP & DOHME CORP.; LIM, Jongwon; KELLEY, Elizabeth Helen; METHOT, Joey, L.; ZHOU, Hua; PETROCCHI, Alessia; MANSOOR, Umar Faruk; FISCHER, Christian; O’BOYLE, Brendan, M.; GUERIN, David Joseph; BIENSTOCK, Corey, E.; BOYCE, Christopher, W.; DANIELS, Matthew, H.; FALCONE, Danielle; FERGUSON, Ronald, D., II; FEVRIER, Salem; HUANG, Xianhai; LIPFORD, Kathryn Ann; SLOMAN, David, L.; WILSON, Kevin; ZHOU, Wei; WITTER, David; MALETIC, Milana, M.; SILIPHAIVANH, Phieng; WO2013/63214; (2013); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Synthetic Route of 104197-14-0, 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. 104197-14-0, name is 4-Bromo-2,6-difluoroanisole belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Example A5; 4-(3,5-Difluoro-4-(l-(4-(trifluoromethyl)benzyl)azetidin-3-yloxy)phenyl)-l-(methylsulfonyl)piperidineineA5g Example A5[0022] Step A: In a microwave vial, a mixture of pyridin-4-ylboronic acid (160 mg, 1.3 mmol), 5-bromo-l,3-difluoro-2-methoxybenzene A5a (223 mg, 1 mmol) and Pd(PPh3)4 (58 mg, 0.05 mmol) is dissolved/suspended in dimethylformamide (3 mL). To the mixture are added cesium carbonate (978 mg, 3 mmol) and water (3 mL). The vial is sealed and subjected to microwave irradiation (150 C, 15 min). The mixture is filtered through a syringe filter and washed with ethyl acetate. Water is added and the mixture extracted with ethyl acetate (4x). The organic phase is dried over sodium sulfate and concentrated. The crude material is purified by flash chromatography (ethylacetate/hexanes gradient) to afford 4-(3,5-difluoro-4-methoxyphenyl)pyridine A5b as a white solid: 1H-NMR (400 MHz, CDC13) delta 8.69 (d, J= 6 Hz, 2 H), 7.44 (d, J= 6 Hz, 2H), 7.22 (d, J = 9.6 Hz, 2H), 4.09 (s, 3H); MS calcd. for C12Hi0F2NO ([M+H]+): 222.1, found: 222.1.

The synthetic route of 4-Bromo-2,6-difluoroanisole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; IRM LLC; AZIMIOARA, Mihai; COW, Christopher; EPPLE, Robert; LELAIS, Gerald; MECOM, John; NIKULIN, Victor; WO2011/44001; (2011); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Related Products of 36805-97-7,Some common heterocyclic compound, 36805-97-7, name is 1,1-Di-tert-butoxy-N,N-dimethylmethanamine, molecular formula is C11H25NO2, 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 suspension of 2,6-dichloroisonicotinic acid (5.23 g, 27.24 mmol) in toluene (100 mL) is heated to 80 C. and then slowly treated with N,N-dimethylformamide di-tert. butylacetal (19.94 g, 98.0 mmol). The mixture becomes slightly yellow and clear. Heating and stirring is continued for 3 h before the solution is cooled to rt, diluted with ether and washed with sat. aq. Na2CO3-solution. The org. extract is dried over MgSO4, filtered and the solvent is evaporated to give 2,6-isonicotinic acid tert.-butyl ester (6.97 g) which solidifies as beige fine needles. 1H NMR (CDCl3): delta 1.60 (s, 6H), 7.73 (s, 1H).

The synthetic route of 36805-97-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Actelion Pharmaceuticals Ltd.; US2010/63108; (2010); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

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. 10541-78-3, name is 2-Methoxy-N-methylaniline belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 2-Methoxy-N-methylaniline

(a) 5-Methoxy-4-methyl-2H-benzo[e][1 ,2,4]thiadiazin-3(4H)-one 1 ,1 -dioxide (2913) To a vigorously stirred solution of chlorosulfonyl isocyanate (1 .52 mL) in 1 -nitropropane (20 mL) at -40 C, under nitrogen, was slowly added over 10 min a solution of 2-methoxy-N- methylaniline (2.0 g) in 1 -nitropropane (10 mL). The mixture was then allowed to warm to RT and stirred for 60 min. Anhydrous aluminum chloride (2.53 g) was added and the mixture was then allowed to stir at 120 C for 2 h. The hot solution was poured onto ice (~40 g) and, after stirring and complete melting of ice, the resulting precipitate was collected by filtration and rinsed with water (5 mL). The insoluble crude material was suspended in an aqueous solution of NaHC03 (1 .5 g/30 mL) and heated until most of the precipitate was dissolved. The suspension was filtered, and the filtrate was adjusted to pH ~1 with 6 N HCI. The resulting solid was collected by filtration, rinsed with water, and dried to give the titled compound (0.79 g) as a yellowish solid. LCMS m/z 242.9 (M+H); 1H NMR (400 MHz, DMSO-c/e) delta ppm 3.40 (s, 3H), 3.92 (s, 3H), 7.38-7.50 (m, 3H).

The synthetic route of 10541-78-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITED; ADAMS, Jerry Leroy; ATOR, Laura E.; DUFFY, Kevin J.; GRAYBILL, Todd L.; KIESOW, Terence John; LIAN, Yiqian; MOORE, Michael Lee; RALPH, Jeffrey M.; RIDGERS, Lance Howard; (370 pag.)WO2017/98421; (2017); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

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. 31576-51-9, name is 2-(2-Methoxyethoxy)ethanamine, A new synthetic method of this compound is introduced below., Application In Synthesis of 2-(2-Methoxyethoxy)ethanamine

PRODUCTION EXAMPLE 7 2-(2-methoxyethoxy)ethylguanidine 5.96 g (50.0 mmol) of 2-(2-methoxyethoxy)ethylamine and 3.00 g (50.0 mmol) of acetic acid were placed in a 30 ml two neck flask. While heating the flask in a 90 C. oil bath, 3.10 g (73.7 mmol) of cyanamide was added. After 5 hours of the reaction, the product was purified by a silica gel column chromatography (eluent, chloroform/ethanol=2/1 containing 0.5% acetic acid) to obtain 3.15 g of the title compound (wax-like, 14.2 mmol, 28.5% in yield) in the form of acetate. Results of the analysis of this compound are as follows. 1 H-NMR (200 MHz, D2 O, TSP standard): delta 3.8 – 3.6 (m, 6 H), 3.45 – 3.30 (m, 5 H), 1.92 (s, 3 H) 13 C-NMR (50 MHz, D2 O, TSP standard) delta: 183.70, 160.06, 73.72, 72.24, 71.54, 60.77, 43.92, 26.06 IR (KBr, cm-1): 3348, 3104, 3084, 1686, 1650, 1554, 1456, 1406, 1356, 1304, 1246, 1202, 1100, 1018, 920, 846, 800, 760, 648

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; Kao Corporation; US5723133; (1998); A;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Some common heterocyclic compound, 22483-09-6, name is 2,2-Dimethoxyethanamine, molecular formula is C4H11NO2, 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. SDS of cas: 22483-09-6

Example 7A (2,2-Dimethoxy-ethyl)-carbamic Acid Benzyl Ester Benzyl chloroformate (Aldrich, 231.3 g, 1.3 mol) was added gradually to a mixture of aminoacetaldehyde dimethyl acetal (Aldrich, 152.0 g, 1.3 mol) in toluene (750 mL) and aqueous NaOH (72.8 g, 1.82 mol; in 375 mL of water) at 10-20 C. After the addition was complete, the mixture was stirred at ambient temperature for 4 h. The layers were separated and the organic layer was washed with brine (2*100 mL) and concentrated under reduced pressure to provide the title compound as an oil (281.5 g, 90% yield). 1H NMR (CDCl4, 300 MHz) delta 3.33 (t, J=6.0 Hz, 2H), 3.39 (s, 6H), 4.37 (t, J=6.0 Hz, 1H), 5.11 (s, 2H), 7.30 (m, 5H); MS (DCl/NH3) m/z 257 (M+NH4)+, 240 (M+H)+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 22483-09-6, its application will become more common.

Reference:
Patent; Basha, Anwer; Bunnelle, William H.; Dart, Michael J.; Gallagher, Megan E.; Ji, Jianguo; Li, Tao; Pace, Jennifer M.; Ryther, Keith B.; Tietje, Karin R.; Mortell, Kathleen H.; Nersesian, Diana L.; Schrimpf, Michael R.; US2005/101602; (2005); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem