Category: 5676-60-8

New learning discoveries about 5676-60-8

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

5676-60-8, 2-Methylbenzo[d]oxazol-6-amine is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,5676-60-8

General procedure: To a solution of compound 3 (3.37 mmol) in DMF (10 mL), charged respective compound V (a-p) (4.04 mmol) and heated to 80 C. After3 h, TLC analysis showed complete conversion of starting materials. The reaction mixture was cooled to room temperature, charged water (30 mL) and extracted with EtOAc (2 ¡Á 20 mL). The combined organic layer was washed with water (20 mL) followed by brine and concentrated under reduced pressure to obtain gummy liquid. This crude material was triturated with MTBE to afford desired product as solid and which used as such in next step without any further purification.

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Balraju, Vadla; Jogula, Sridhar; Krishna, Vagolu Siva; Meda, Nikhila; Sriram, Dharmarajan; Bioorganic Chemistry; vol. 100; (2020);,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Downstream synthetic route of 5676-60-8

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

5676-60-8,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.5676-60-8,2-Methylbenzo[d]oxazol-6-amine,as a common compound, the synthetic route is as follows.

To a solution of 2, 5-dichlorobenzenesulphonyl chloride (174 mg, 0.709 MMOL) in dichloromethane (3 mL) was added pyridine (140 pL, 1.72 MMOL) and the mixture was stirred under N2 for 5 min, after which time 6-AMINO-2-METHYLBENZOXAZOLE (100 mg, 0.675 MMOL) was added. The resulting mixture was stirred for 1 h at room temperature, then saturated NAHCO3 solution was added (8 mL) and the mixture was extracted into ethyl acetate (15 mL). The organic phase was washed with brine, dried (NA2SO4), filtered and evaporated to give a residue that was purified using flash chromatography to afford a white solid (154 mg, 64%), single spot at Rf 0.50 (60: 40 hexane: ethyl acetate). mp 167.0-167. 3C, HPLC purity 97% (tR 1.97 min in 10% WATER-ACETONITRILE).’H NMR (CDCI3) : 6 7.93 (1H, d, J=2.3 Hz), 7.47 (1H, d, J=8.6 Hz), 7.46-7. 40 (4H, m), 7.00 (1H, dd, J=8.6, 2.0 Hz), 2.61 (3H, s). LCMS: 355.07 (M-). FAB-MS (MH+, C14H10CI2N203S) : calcd 356.9867, found 356.9875.

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; STERIX LIMITED; WO2004/37251; (2004); A1;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

New learning discoveries about 5676-60-8

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

5676-60-8, 2-Methylbenzo[d]oxazol-6-amine is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,5676-60-8

EXAMPLE 29- PREPARATION OF N-(2-METHYL-1,3-BENZODIOXOL-6-YL)-2,4- DIMETHYLIMIDAZO[1,5-a]PYRIMIDINE-8-CARBOXAMIDE To a stirred solution of 2,4-dimethylimidazo[1,5-a]pyrimidine-8-carboxylic acid 3 (50 mg, 0.262 mmol), 2-methyl-1,3-benzoxazol-6-amine (47 mg, 0.314 mmol) and HATU (149 g, 0.393 mmol) in DMF (1 mL) was added DIPEA (0.1 mL, 0.524 mmol), and the reaction mixture was stirred at room temperature for 16 hours until the reaction was complete. The suspension was diluted with H2O (3 mL), and the precipitated solid was collected by filtration, washed with minimum DCM and Et2O, and dried in vacuo to give the title compound (57 mg, 68%) as a white solid.1H NMR (400 MHz, DMSO-d6) delta 10.39 (s, 1H), 8.48 (s, 1H), 8.36 (s, 1H), 7.60 (s, 2H), 6.90 (d, J = 1.2 Hz, 1H), 2.71 (s, 3H), 2.61 (s, 3H), 2.60 (s, 3H). ES-MS m/z: 322.0 [M+H]+. HPLC Purity (214 nm): >98%; tR = 8.17 min.

The synthetic route of 5676-60-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; LYSOSOMAL THERAPEUTICS INC.; SKERLJ, Renato, T.; LANSBURY, Peter, T.; GOOD, Andrew, C.; BOURQUE, Elyse Marie, Josee; (134 pag.)WO2016/73889; (2016); A1;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Simple exploration of 5676-60-8

As the paragraph descriping shows that 5676-60-8 is playing an increasingly important role.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.5676-60-8,2-Methylbenzo[d]oxazol-6-amine,as a common compound, the synthetic route is as follows.,5676-60-8

INTERMEDIATE B2 7V-(4-Bromo-2-hydroxyphenyl)acetamide – -To a cooled (0 0C) suspension of 2-methyl-l,3-benzoxazol-6-amine (Intermediate Bl; 1.96 g, 13.2 mmol) in 1 M HBr (40 niL) was carefully added NaNO2 (1.38 g, 20 mmol). After stirring for 10 min, a solution of CuBr (2.92 g, 20 mmol) in water (14 mL) was added and the mixture was stirred at 0 0C for 5 min. The ice-bath was removed and the mixture was stirred overnight and then 25% aqueous ammonia (5 mL) was added. The mixture was extracted with EtOAc (500 mL) and the organic layer was concentrated. The residue was purified by flash chromatography on silica using MeOH/CHCl3 (0.05:1) as eluent. Yield 1.47 g (32%). Analytical HPLC: purity 100% (System A); LRESIMS (ESI+) m/z = 230/232 (M+H)+.

As the paragraph descriping shows that 5676-60-8 is playing an increasingly important role.

Reference£º
Patent; INOVACIA AB; WO2009/150144; (2009); A1;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Brief introduction of 5676-60-8

5676-60-8 2-Methylbenzo[d]oxazol-6-amine 590539, abenzoxazole compound, is more and more widely used in various.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.5676-60-8,2-Methylbenzo[d]oxazol-6-amine,as a common compound, the synthetic route is as follows.

5676-60-8, General procedure: To a solution of compound 3 (3.37 mmol) in DMF (10 mL), charged respective compound V (a-p) (4.04 mmol) and heated to 80 C. After3 h, TLC analysis showed complete conversion of starting materials. The reaction mixture was cooled to room temperature, charged water (30 mL) and extracted with EtOAc (2 ¡Á 20 mL). The combined organic layer was washed with water (20 mL) followed by brine and concentrated under reduced pressure to obtain gummy liquid. This crude material was triturated with MTBE to afford desired product as solid and which used as such in next step without any further purification.

5676-60-8 2-Methylbenzo[d]oxazol-6-amine 590539, abenzoxazole compound, is more and more widely used in various.

Reference£º
Article; Balraju, Vadla; Jogula, Sridhar; Krishna, Vagolu Siva; Meda, Nikhila; Sriram, Dharmarajan; Bioorganic Chemistry; vol. 100; (2020);,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Analyzing the synthesis route of 5676-60-8

5676-60-8 2-Methylbenzo[d]oxazol-6-amine 590539, abenzoxazole compound, is more and more widely used in various.

5676-60-8, 2-Methylbenzo[d]oxazol-6-amine is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,5676-60-8

General procedure: To a solution of compound 3 (3.37 mmol) in DMF (10 mL), charged respective compound V (a-p) (4.04 mmol) and heated to 80 C. After3 h, TLC analysis showed complete conversion of starting materials. The reaction mixture was cooled to room temperature, charged water (30 mL) and extracted with EtOAc (2 ¡Á 20 mL). The combined organic layer was washed with water (20 mL) followed by brine and concentrated under reduced pressure to obtain gummy liquid. This crude material was triturated with MTBE to afford desired product as solid and which used as such in next step without any further purification.

5676-60-8 2-Methylbenzo[d]oxazol-6-amine 590539, abenzoxazole compound, is more and more widely used in various.

Reference£º
Article; Balraju, Vadla; Jogula, Sridhar; Krishna, Vagolu Siva; Meda, Nikhila; Sriram, Dharmarajan; Bioorganic Chemistry; vol. 100; (2020);,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Introduction of a new synthetic route about 5676-60-8

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

2-Methylbenzo[d]oxazol-6-amine, cas is 5676-60-8, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,5676-60-8

The synthetic route for 1 was outlined in Scheme 1, and the detailed procedures were presented as follows: (a) To a solution of 2-amino-5-nitrophenol (7.70g, 50.0mmol) and pyridine (3.96g, 50.0mmol) in dry xylene (150mL) at 0C was added dropwise acetyl chloride (4.32g, 55.0mmol). The solution was stirred at ambient temperature for 2h. To above solution was added p-toluenesulfonic acid (1.72g, 10.0mmol), the solution was refluxed till no water was discharged. After cooling to room temperature, the solution was washed with water (100mL¡Á3) and a saturated solution of NaCl (50.0mL), respectively. The organic solution was collected and dried over Na2SO4, after evaporation of the solvent, the crude 2-methyl-6-nitrobenzoxazole (pale solid, 8.80g, 95% yield) was obtained for next step without purification. (b) To a solution of 13 2-methyl-6-nitrobenzoxazole (3.92g, 22.0mmol) in 14 methanol (60.0mL) at 70C was added 15 NH4Cl (11.77g, 220mmol) in 16 H2O (40.0mL) and Fe (4.48g, 80.0mmol). The mixture solution was stirred at 70C for 4h till the starting material disappeared (TLC detection). The mixture solution was cooled to ambient temperature and filtered, the solution was extracted with ethyl acetate (30.0mL¡Á3). The combined organic solution was dried over Na2SO4, after evaporation of the solvent, the crude 17 2-methylbenzoxazol-6-amine (2.77g, 85% yield) was obtained for next step reaction without purification. (c) To a solution of 2-methylbenzoxazol-6-amine (2.66g, 18.0mmol) in methanol (30.0mL) was added 18 formaldehyde (37%, 12mL, 144mmol) and 19 NaBH3CN (2.27g, 36.0mmol). The solution was stirred at ambient temperature for 36h till the starting material disappeared (TLC detection). The solution was poured into H2O (30.0mL), and the mixture solution was extracted with ethyl acetate (30.0mL¡Á3). The combined organic solution was dried over Na2SO4, the solution is concentrated and 20 2-methyl-6-(N, N-dimethylamino) benzoxazole (2.50g, 79% yield) is obtained by flash column chromatography (elute: petroleum ether / ethyl acetate=10 / 1, v/v, Rf =0.11).

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

Reference£º
Article; Qu, Cong; Gao, Zheng; Chen, Yi; Journal of Photochemistry and Photobiology A: Chemistry; vol. 361; (2018); p. 62 – 66;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Introduction of a new synthetic route about 5676-60-8

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

2-Methylbenzo[d]oxazol-6-amine, cas is 5676-60-8, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,5676-60-8

General procedure: To a solution of compound 3 (3.37 mmol) in DMF (10 mL), charged respective compound V (a-p) (4.04 mmol) and heated to 80 C. After3 h, TLC analysis showed complete conversion of starting materials. The reaction mixture was cooled to room temperature, charged water (30 mL) and extracted with EtOAc (2 ¡Á 20 mL). The combined organic layer was washed with water (20 mL) followed by brine and concentrated under reduced pressure to obtain gummy liquid. This crude material was triturated with MTBE to afford desired product as solid and which used as such in next step without any further purification.

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

Reference£º
Article; Balraju, Vadla; Jogula, Sridhar; Krishna, Vagolu Siva; Meda, Nikhila; Sriram, Dharmarajan; Bioorganic Chemistry; vol. 100; (2020);,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Introduction of a new synthetic route about 5676-60-8

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

2-Methylbenzo[d]oxazol-6-amine, cas is 5676-60-8, it is a common heterocyclic compound, the benzoxazole compound, its synthesis route is as follows.,5676-60-8

EXAMPLE 90 4-[N’-(2-Methyl-6-oxo-5,6-dihydro-3-oxa-1,5-diaza-s-indacen-7-ylidene)-hydrazino]-benzenesulfonamide (Z isomer) N-(6-Hydroxy-2,3-dioxo-2,3-dihydro-1H-indol-4-yl)acetamide was prepared from 6-amino-2-methylbenzoxazole (Heleyova, et al., Collection of Czechoslovakian Chemical Communications 1996, 61, 371-80) according to Procedure A in 12% overall yield. Condensation of N-(6-hydroxy-2,3-dioxo-2,3-dihydro-1H-indol-4-yl)acetamide and 4-sulfonamidophenylhydrazine hydrochloride according to Procedure G gave the title compound in 6% yield: 1H NMR (DMSO-d6): delta2.55 (s, 3H), 7.13 (s,1H), 7.23 (s, 2H), 7.57 (d, J=8.8 Hz, 2H), 7.76 (d, J=8.8 Hz, 2H), 7.78 (s, 1H), 11.12 (s, 1H), 12.67 (s, 1H); APCI-MS m/z 370 (M-H)-. Anal. Calcd for C16H15N5O4S: C, 51.75, H, 3.53; N, 18.86; S, 8.86. Found C, 51.50, H, 3.61; N, 18.69; S, 8.49.

With the rapid development of chemical substances, we look forward to future research findings about 5676-60-8

Reference£º
Patent; SmithKline Beecham Corporation; US6369086; (2002); B1;,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem

Some tips on 5676-60-8

As the paragraph descriping shows that 5676-60-8 is playing an increasingly important role.

5676-60-8, 2-Methylbenzo[d]oxazol-6-amine is a benzoxazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of compound 3 (3.37 mmol) in DMF (10 mL), charged respective compound V (a-p) (4.04 mmol) and heated to 80 C. After3 h, TLC analysis showed complete conversion of starting materials. The reaction mixture was cooled to room temperature, charged water (30 mL) and extracted with EtOAc (2 ¡Á 20 mL). The combined organic layer was washed with water (20 mL) followed by brine and concentrated under reduced pressure to obtain gummy liquid. This crude material was triturated with MTBE to afford desired product as solid and which used as such in next step without any further purification.

As the paragraph descriping shows that 5676-60-8 is playing an increasingly important role.

Reference£º
Article; Balraju, Vadla; Jogula, Sridhar; Krishna, Vagolu Siva; Meda, Nikhila; Sriram, Dharmarajan; Bioorganic Chemistry; vol. 100; (2020);,
Benzoxazole – Wikipedia
Benzoxazole | C7H5NO – PubChem