Tag: M.W:200-300

777-12-8, 6-(Trifluoromethyl)benzo[d]thiazol-2-amine is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

777-12-8, To a stirred solution of methyl 5-chloro-3-cyano-2-methoxybenzoate (86mg, 0.382mmo1) in MeOH (3m1) was added 2.0 ml iN KOH solution. The resulting mixture was stirred at 60¡ãC overnight. The solvent was evaporated out and 4N HC1 in dioxane (lml) was added to the residue. The mixture was stirred for another 10mm before it was concentrated and dried under vacumn. To this residue was added HBTU (172mg, 0.456mmo1), DMF (3m1) and DIPEA (330u1, 1.9 mmol). The mixture was stirred for lOmins and then 6-(trifluoromethyl)benzo[d]thiazol-2-amine (83mg, 0.3 8mmol) was added. The resulting reaction was heated at 120 ¡ãC for 24hs. After cooled to rt, the mixture was separated between EA and water. The organic layer was washed with brine, dried over Na2SO4 and concentrated in vacuo. Purification by column chromatography gave the 5-chloro-3-cyano-2- hydroxy-N-(6-(trifluoromethyl)benzo[d]thiazol-2-yl)b enzamide as a yellow solid (62mg, 42percent). ?H NMR (300 IVIHz, Acetone-d6) 8.31 (dt, J = 1.6, 0.9 Hz, 1H), 7.85 (d, J = 3.0 Hz, 1H), 7.79 -7.65 (m, 2H), 7.14 (d, J = 3.0 Hz, 1H). MS (ESI) [M+H] requires m/z 398.00, found m/z 397.95.

The synthetic route of 777-12-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; JIN, Shengkan; AUGERI, David J.; CAO, Bin; TAO, Hanlin; (126 pag.)WO2017/201313; (2017); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.69812-29-9,2-Acetamido-4-methylthiazole-5-sulfonyl chloride,as a common compound, the synthetic route is as follows.

69812-29-9, General procedure: To a solution of 1 (0.5g, 2mmol) in CH2Cl2 (30mL), K2CO3 (1.8g, 6mmol) and the substituted benzoyl chloride (2mmol) were added and stirred at 0C untill the TLC analysis showed completion of the reaction, then filterd. The filtrate was washed with water, brine, dried, filtered and concentrated. Then the residue was purified by flash column chromatography on silica gel with CH2Cl2/CH3OH as the eluent to give the title compounds.

69812-29-9 2-Acetamido-4-methylthiazole-5-sulfonyl chloride 96951, athiazole compound, is more and more widely used in various fields.

Reference£º
Article; Zhang, Xin; Lv, Xiao-Qin; Tang, Sheng; Mei, Lin; Li, Ying-Hong; Zhang, JingPu; Jiang, Jian-Dong; Peng, Zong-Gen; Song, Dan-Qing; European Journal of Medicinal Chemistry; vol. 143; (2018); p. 1053 – 1065;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

383865-57-4, 4-Methoxy-7-morpholinobenzo[d]thiazol-2-amine is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

1-Benzyl-3-(4-methoxy-7-morpholin-4-yl-benzothiazol-2-yl)-urea Using 4-methoxy-7-morpholin-4-yl-benzothiazol-2-yl-amine and benzylamine the title compound was obtained as an off-white solid (99%), MS: m/e=399 (M+H+).

383865-57-4, 383865-57-4 4-Methoxy-7-morpholinobenzo[d]thiazol-2-amine 11402861, athiazole compound, is more and more widely used in various fields.

Reference£º
Patent; Alanine, Alexander; Flohr, Alexander; Miller, Aubry Kern; Norcross, Roger David; Riemer, Claus; US2002/45615; (2002); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

88982-82-5,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.88982-82-5,4-Bromo-1,3-thiazole-2-carboxylic acid,as a common compound, the synthetic route is as follows.

To a solution of 4-bromothiazole-2-carboxylic acid 8 (5.5 g, 26.8 mmol) in anhydrous DMF (30 mL) was added carbonyl diimidazole (CDI) (5.2 g, 32.3 mmol), and the reaction mixture was stirred at room temperature for 1 h. (E)-4-[3-(3,4,5-Trimethoxyphenyl]-1,2,4-thiadiazol-5-ylamino)-N’-hydroxybenzamidine 7 (13 g, 32.3 mmol) was added to the reaction mixture and it was stirred at 110 C for 15 h. After completion of the process, the mixture was cooled down and poured into ice-cold water (35 mL), extracted by ethyl acetate (3¡Á15 mL), and the combined organic phases were washed with brine, dried over anhydrous sodium sulphate, filtered off, and concentrated under vacuum. The crude product was purified by column chromatography using ethyl acetate/hexane (1 : 1) to afford pure compound 9, yield 79 %.

The synthetic route of 88982-82-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Sudhakar; Rao, A. Srinivasa; Reddy, Ch. Venkata Ramana; Russian Journal of General Chemistry; vol. 89; 8; (2019); p. 1696 – 1701;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.66947-92-0,Methyl 2-amino-1,3-benzothiazole-6-carboxylate,as a common compound, the synthetic route is as follows.

To a stirred mixture of VIII-2 (600 mg, 2.28 mmol) and CuBr2 (775 mg, 3.46 mmol) in MeCN (9 mL) was added tert-butyl nitrite (445 mg, 4.32 mmol). The reaction mixture was stirred at rt overnight. The mixture was diluted with EtOAc (40 mL), washed with water and brine, dried over Na2SO4, filtered and concentrated. The residue was purified by column (PE:EA=5:1) to give VIII-3 (140 mg, yield: 18%)., 66947-92-0

As the paragraph descriping shows that 66947-92-0 is playing an increasingly important role.

Reference£º
Patent; Buckman, Brad Owen; Nicholas, John Beamond; Emayan, Kumaraswamy; Seiwert, Scott D.; US2014/200215; (2014); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.32137-76-1,Ethyl 1,3-benzothiazole-2-carboxylate,as a common compound, the synthetic route is as follows.

General procedure: Ethyl benzothiazole-2-carboxylate 4a (1 mmol) was taken in around bottom flask (10 mL). To it the aliphatic amine (4 equiv.) wasadded in excess along with (50 mg) of NH4Cl. The reaction mixturewas heated at 150 C for 2e3 h under magnetic stirring. Aftercompletion of reaction (TLC), the mixture was diluted using EtOAc,washed with1N HCl and brine, dried over anhydrous MgSO4 andconcentrated under reduced pressure to furnish the final productthat was then washed with cooled hexane.

32137-76-1, The synthetic route of 32137-76-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Ghonim, Aya E.; Ligresti, Alessia; Rabbito, Alessandro; Mahmoud, Ali Mokhtar; Di Marzo, Vincenzo; Osman, Noha A.; Abadi, Ashraf H.; European Journal of Medicinal Chemistry; vol. 180; (2019); p. 154 – 170;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.90533-23-6,4-(3-Chlorophenyl)thiazol-2-amine,as a common compound, the synthetic route is as follows.,90533-23-6

Step 3:; To a solution of 4-(3-chlorophenyl)thiazol-2-amine (1 g) in tetrahydrofuran (20 mL) was added NBS (0.88 g). After stirring at room temperature overnight, the mixture was partitioned between ethyl acetate (30 mL) and water (20 mL). The organic phase was washed with water (20 mL x 2), dried and concentrated to give 5-bromo-4-(3-chlorophenyl)thiazol-2-amine (1.05 g) as a red liquid. MS(ES ) m/z 289 (MH ).

90533-23-6 4-(3-Chlorophenyl)thiazol-2-amine 675261, athiazole compound, is more and more widely used in various fields.

Reference£º
Patent; GLAXO GROUP LIMITED; WANG, Yonghui; YANG, Ting; WO2012/100734; (2012); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

61296-22-8, 2-Amino-5-bromothiazole monohydrobromide is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

61296-22-8, [00156] Di-tert-butyl dicarbonate (28.90 g, 132.4 mmol) was added portionwise to a suspension of 2-amino-5-bromothiazole monohydrobromide (28.64 g, 110.3 mmol) in pyridine (100 mL) over 20 minutes at room temperature. The mixture was stirred at room temperature overnight. The solvent was evaporated. The residue was extracted between 0.5 N HCl (200 mL) and ethyl acetate (200 mL). The organic layer was separated and concentrated. The residue was filtered through a pad of silica gel using 10% ethyl acetate/hexane as a solvent. The filtrate was concentrated to give tert-butyl-5-bromothiazol-2-ylcarbamate (19.5 g, 63% yield) as a white solid. LCMS (Conditions A): 3.40 min (RT); (M+H)+ = 225.12 (100%), 223.12 (95%). 1H NMR, 400 MHz, CDCl3: delta 7.27 (s, 1 H), 1.60 (s, 9 H).

61296-22-8 2-Amino-5-bromothiazole monohydrobromide 2723848, athiazole compound, is more and more widely used in various fields.

Reference£º
Patent; BRISTOL-MYERS SQUIBB COMPANY; WO2009/155389; (2009); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

944804-88-0, tert-Butyl 4-bromothiazol-2-ylcarbamate is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of 51 (0.5g, 1.8mmol), 48 (0.381g, 2.7mmol) and triphenylphosphine (0.707g, 2.7mmol) in anhydrous THF (20mL) at 0C was added diisopropyl azodicarboxylate (DIAD) (0.545g, 2.7mmol) dropwise. The reaction mixture was allowed to stir at room temperature for 10min and then stirred at 40C overnight. The resulting mixture was concentrated and the residue was purified by silica gel flash chromatography (eluting with ethyl acetate in 74 petroleum ether 2-5%) to give the 172 product 52a as a white solid (0.365g, yield=50%)., 944804-88-0

As the paragraph descriping shows that 944804-88-0 is playing an increasingly important role.

Reference£º
Article; Wang, Beilei; Wu, Jiaxin; Wu, Yun; Chen, Cheng; Zou, Fengming; Wang, Aoli; Wu, Hong; Hu, Zhenquan; Jiang, Zongru; Liu, Qingwang; Wang, Wei; Zhang, Yicong; Liu, Feiyang; Zhao, Ming; Hu, Jie; Huang, Tao; Ge, Juan; Wang, Li; Ren, Tao; Wang, Yuxin; Liu, Jing; Liu, Qingsong; European Journal of Medicinal Chemistry; vol. 158; (2018); p. 896 – 916;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.64485-82-1,(Z)-Ethyl 2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetate,as a common compound, the synthetic route is as follows.

Example 33; (Z)-5-benzo[d]thiazol-2-yl-2-(5-(trifluoromethyl)-2-(tritylamino)thiazol-4-yl)-2-(trityloxyimino)ethanethioate; Step 1 : To a solution of 1 (43 g, 0.2 moL) in 300 mL DMF was added 63 mL TEA. The mixture was stirred for 10 min, then 123 g of trityl chloride was added and the mixture was kept at 50 0C for 72 hrs. The mixture was concentrated and extracted with acetic ether. The acetic ether was washed with 1% NaOH solution three times, the organic layer was dried over Na2SO4, filtered and the filtrate was concentrated under reduced pressure. The residue was dried in vacuum overnight to provide (Z)-ethyl-2-(2-(tritylamino)thiazol-4-yl)-2-(trityloxyimino)acetate 2 (120 g, yield 85%).

64485-82-1, The synthetic route of 64485-82-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; ACHAOGEN, INC.; WAGMAN, Allan, Scott; MOSER, Heinz, Ernst; WO2010/30811; (2010); A2;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica