Month: November 2020

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.19788-37-5,4-(Chloromethyl)-3,5-dimethylisoxazole,as a common compound, the synthetic route is as follows.

To a solution of 2-(2,4-dimeihyiphenyl)-A’-(4-hydroxybenzyl)-2-phenylaceiamide (0.06 g,0.17 mmol) in acetonitrile (3 mL) was added cesium carbonate (0. 7 g, 0.52 mmol) and 4- (chloromethy])-3,5-dimethyfisoxazofe (0,03 g, 0.21 mmol). The resulting mixture was heated at 70 C and stirred for 2 h in a sealed-tube. After completion of the reaction, water ( 10 mL) was added, and ihe mixture was extracted with ethyl acetate (2 x 15 mL). The combined organic layers were dried over a2S04 and evaporated under vacuum to obtain crade product which was purified by preparatory TLC on silica gel to provide the title compound (50, 1 mg, 63.57%) ]H NMR (400 MHz, DMSO-d6) delta ppm 8.61-8.64 (s, 1 H), 7.26-7.30 (t, 2 H), 7.14-7.23 (m, 5 H), 5.08 is, 1 H), 4.88 (s, 2 H), 4.21-4.24 (t, 2 H), 2.38 (s, 3 H), 2.15-2.22 (i, 9 H).

19788-37-5, The synthetic route of 19788-37-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; TEMPERO PHARMACEUTICALS, INC.; BALOGLU, Erkan; GHOSH, Shomir; LOBERA, Mercedes; SCHMIDT, Darby, R.; WO2013/19635; (2013); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

14678-02-5, 5-Amino-3-methylisoxazole is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: General procedure forthe preparation of oxazolo[5,4-b]quinoline- fused spirooxindoles 4a-t: A reaction of isatin(1 mmol),beta-diketone (1 mmol) and5-amino-3-methylisoxazole (1 mmol) were mixed and irradiated in a closed vesselin the absence of any solvent in a Synthos 3000 microwave reactor at 700 W, 14 bar,and 110 C for 10 min. The reaction was monitored by TLC. Then, thereaction mixture was filtered hot and the resulting solid products were washed with ethanol, dried in air and recrystallized from ethanol., 14678-02-5

14678-02-5 5-Amino-3-methylisoxazole 84590, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Article; Yuvaraj, Panneerselvam; Manivannan, Karthikeyan; Reddy, Boreddy S.R.; Tetrahedron Letters; vol. 56; 1; (2015); p. 78 – 81;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

54593-26-9,54593-26-9, 3,5-Dimethyl-4-isoxazolecarbaldehyde is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of previously synthesized N-{[4-methyl-2- (piperid in-i -yl)phenyl](5-methylfuran-2-yl)methyl}-2-(2-oxo- 2,3-dihydro-i H-indol-5-yl)acetamide Cpd.24 (75 mg, 0.16 mmol) and 3,5-dimethyl-i ,2-oxazole-4-carbaldehyde (25 mg, 0.20 mmol) in EtOH (2 mL) was added few drops ofcatalytic piperidine. The reaction mixture was heated at080 C overnight. The solvents were removed under reducedpressure. The crude material was purified by silica gelcolumn chromatography using CH2CI2/MeOH (95:5) aseluent to afford 2-{3-[(dimethyl-i 2-oxazol-4-yl)methylidene]-2-oxo-2,3-dihydro-i H-indol-5-yl}-N-{[4-methyl-2-(piperidin-i-yl)phenyl](5-methylfuran-2-yl)methyl}acetamide (80 mg, 86%) as yellow solid, mp:128C1H NMR (300 MHz, din ppm): 1.40-i .54 (m, 6H), 2.16 (s,3H), 2.20 (s, 3H), 2.22 (s, 3H), 2.24 (s, 3H), 2.50-2.60 (m,2H), 2.71-2.81 (m, 2H), 3.34 (s, i.5H), 3.44 (s, 0.5H), 5.77(d, 0.75H, J=3.OHz), 5.82 (d, 0.25H, J=2.9Hz), 5.90-5.95(m, 1H), 6.44 (d, 0.75H, J=8.3Hz), 6.49 (d, 0.25H, J=8.iHz),6.74 (d, 0.25H, J=7.8Hz), 6.78 (d, 0.75H, J=8.OHz), 6.85-6.93 (m, 2.75H), 7.11-7.13 (m, i.75H), 7.20 (s, 0.75H), 7.22(s, 0.25H), 7.41 (s, 0.25H), 7.51 (s, 0.25H), 8.68 (d, 0.75H,J=8.5Hz), 8.72 (d, 0.25H, J=8.OHz), 10.47 (s, 0.25H), 10.57(s, 0.75H); m/z: 565 [M+H]+ (calc. mass: 564).

54593-26-9 3,5-Dimethyl-4-isoxazolecarbaldehyde 289576, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Patent; GENFIT; DELHOMEL, Jean-Francois; PERSPICACE, Enrico; MAJD, Zouher; PARROCHE, Peggy; WALCZAK, Robert; (284 pag.)WO2018/138362; (2018); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

1202769-66-1, 2-(5-Methylisoxazol-3-yl)but-3-yn-2-ol is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Step 3-Chiral separation The racemic mixture of (45-b) was separated on preparative chiral column by the method described in WO 2009/158011 to give (2R)-2-(5-methyl-1,2-oxazol-3-yl)but-3-yn-2-ol and (2S)-2-(5-methyl-1,2-oxazol-3-yl)but-3-yn-2-ol.of (2R)-2-(5-methyl-1,2-oxazol-3-yl)but-3-yn-2-ol and (2S)-2-(5-methyl-1,2-oxazol-3-yl)but-3-yn-2-ol, 1202769-66-1

The synthetic route of 1202769-66-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Genentech, Inc.; US2012/214762; (2012); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.946426-89-7,5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazole-4-methanol,as a common compound, the synthetic route is as follows.

To a solution of Compound 24a (120 mg, 0.31 mmol) and Compound INT-003 (90 mg, 0.32 mmol) in toluene (3 mL) was added CS2CO3 (200 mg, 0.61 mmol), Rockphos (13 mg, 0.03 mmol), [PdCl(allyl)]2(4 mg, 0.01 mmol). The reaction was stirred for 4 h at 80C under N2atmosphere. The filtrate was concentrated under vacuum after filtration. The residue was applied onto a silica gel column with ethyl acetate/petroleum ether (1 : 1) This resulted in 110 mg (61%) of the title compound as a solid. LC-MS (ESI, m/z): [M+H]+= 582.3

946426-89-7, The synthetic route of 946426-89-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; HEPAGENE THERAPEUTICS, INC.; XU, Xiaodong; (106 pag.)WO2018/75207; (2018); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

21169-71-1, Isoxazole-5-carboxylic acid is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of an acid (2 equiv) in DMF (0.1 mL) were added a solution of an alcohol (0.013 mmol) in DMF (0.1 mL) and a solution of DMAP (2 equiv) in DMF (0.1 mL). To this resulting solution was added a suspension of EDAC (2.7 equiv) in DMF (0.1 mL). The mixture was shaken at 50 C overnight. The crude was subjected to preparative LCMS purification, giving an ester., 21169-71-1

21169-71-1 Isoxazole-5-carboxylic acid 2060599, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Patent; LEO PHARMA A/S; LIANG, Xifu; LARSEN, Jens; NIELSEN, Simon Feldbaek; ANDERSEN, Peter; (97 pag.)WO2018/108910; (2018); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

31329-64-3, 3,5-Dimethylisoxazol-4-amine is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

31329-64-3, EXAMPLE 17 Compound CQ Thionyl chloride (0.46 mL) is added to a solution of 5-cyclopentyloxy-6-methoxynicotinic acid (500 mg) and dimethylformamide (1 drop) in toluene (10 mL). The mixture is heated and stirred at reflux for 1 hour. The mixture is cooled, concentrated, and the residue dissolved in dichloromethane (5 mL). This solution is added dropwise to a solution of 4-amino-3,5-dimethylisoxazole (168 mg) and triethylamine (0.21 mL) in dichloromethane (20 mL). The resulting mixture is stirred at room temperature for 2 hours then at reflux for 1 hour. The cooled mixture is washed with water, 2 M aqueous hydrochloric acid, water, then dried (MgSO4). After concentration the yellow oily residue is triturated with a mixture of n-pentane and methyl t.butyl ether to give 5-cyclopentyloxy-N-(3,5-dimethylisoxazol-4-yl)-6-methoxynicotinamide (240 mg) as a buff solid, m.p. 139-40 C. [Elemental analysis: C, 61.3; H, 6.40; N, 12.4% calculated: C, 61.6; H, 6.39; N, 12.68%.]

31329-64-3 3,5-Dimethylisoxazol-4-amine 182040, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Patent; Aventis Pharma Limited; US6472412; (2002); B1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4369-55-5,5-Amino-3-phenylisoxazole,as a common compound, the synthetic route is as follows.,4369-55-5

Synthesis of N-(3-Phenyl-isoxazol-5-yl)-malonamic acid ethyl ester A solution of 3-phenyl-isoxazol-5-ylamine (500 mg, 0.31 mmol) and mono-ethyl malonyl chloride (56 mg, 0.37 mmol) in dichloromethane (2 mL) was stirred at ambient temperature overnight. The mixture was diluted with water and extracted with dichloromethane. The dichloromethane layer was washed with saturated sodium bicarbonate solution, followed by brine, dried over Na2SO4, concentrated to afford 78 mg (92.85percent Yield) of N-(3-phenyl-isoxazol-5-yl)-malonamic acid ethyl ester.

4369-55-5 5-Amino-3-phenylisoxazole 261201, aIsoxazoles compound, is more and more widely used in various fields.

Reference£º
Patent; FOREST LABORATORIES HOLDINGS LIMITED; US2009/239848; (2009); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

14678-02-5, 5-Amino-3-methylisoxazole is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: General procedure forthe preparation of oxazolo[5,4-b]quinoline- fused spirooxindoles 4a-t: A reaction of isatin(1 mmol),beta-diketone (1 mmol) and5-amino-3-methylisoxazole (1 mmol) were mixed and irradiated in a closed vesselin the absence of any solvent in a Synthos 3000 microwave reactor at 700 W, 14 bar,and 110 C for 10 min. The reaction was monitored by TLC. Then, thereaction mixture was filtered hot and the resulting solid products were washed with ethanol, dried in air and recrystallized from ethanol., 14678-02-5

The synthetic route of 14678-02-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Yuvaraj, Panneerselvam; Manivannan, Karthikeyan; Reddy, Boreddy S.R.; Tetrahedron Letters; vol. 56; 1; (2015); p. 78 – 81;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem

1750-42-1, Isoxazol-3-amine is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a stirred solution of bromoacetylbromide (5.36 ml, 61.6 mmol) in diethylether (100 ml) at -40 0C is added, dropwise over 20 minutes, a solution of 3-aminoisoxazol (5.0 ml, 67.0 mmol) and triethylamine (8.5 ml, 61.4 mmol) in diethylether (20 ml). Additional diethylether (50 ml) is added and stirring continued for 3 hours. The reaction mixture is filtered and the solution then washed with 1 M sodium carbonate solution, 1 M hydrochloric acid and brine. Concentration followed by purification by flash silica column chromatography (ethyl acetate/ iso-hexane 4:7) gives the title compound as a white solid., 1750-42-1

As the paragraph descriping shows that 1750-42-1 is playing an increasingly important role.

Reference£º
Patent; NOVARTIS AG; NOVARTIS PHARMA GMBH; WO2006/66929; (2006); A1;,
Isoxazole – Wikipedia
Isoxazole | C3H3NO – PubChem