Tag: M.W:100-200

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.117043-86-4,4-(Aminomethyl)thiazole Hydrochloride,as a common compound, the synthetic route is as follows.

To a solution of thiazol-4-ylmethanamine hydrochloride (100 mg, 0.664 mmol) in acetonitrile (3 mL), potassium carbonate (229 mg, 1.66 mmol) and DMF (2 mL) were added. After the mixture was cooled to a temperature between -10 C. and -15 C., ethyl 2-bromoacetate (73 muL, 0.66 mmol) diluted with acetonitrile (1 mL) was added dropwise thereto. The temperature was gradually raised to room temperature, and the mixture was stirred overnight. Insoluble matters were separated by filtration, and the filtrate was concentrated under reduced pressure., 117043-86-4

As the paragraph descriping shows that 117043-86-4 is playing an increasingly important role.

Reference£º
Patent; Ajinomoto Co., Inc.; MATSUMOTO, Kayo; MIYANAGA, Wataru; DOHI, Mizuki; NAKAGAWA, Tadakiyo; KOBAYASHI, Kaori; TAKESHITA, Sen; (67 pag.)US2016/46592; (2016); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

14542-12-2, Thiazol-2-ylmethanol is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Manufacturing Example 88-1-2 2-Chloromethyl-thiazole; To a mixture of thiazole-2-yl-methanol (251 mg, 2.18 mmol) described in Manufacturing Example 88-1-1 and dichloromethane (10 mL) was added thionyl chloride (191 muL, 2.62 mmol) at room temperature, which was stirred for 30 minutes. Saturated aqueous sodium hydrogencarbonate solution was added to the reaction mixture, which was then extracted with dichloromethane. The organic layer was separated, washed with water and saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure to obtain the title compound (220.5 mg, 76%).1H-NMR Spectrum (DMSO-d6) delta (ppm): 5.11 (2H, s), 7.81-7.83 (2H, m).

14542-12-2, 14542-12-2 Thiazol-2-ylmethanol 2795213, athiazole compound, is more and more widely used in various fields.

Reference£º
Patent; Tanaka, Keigo; Yamamoto, Eiichi; Watanabe, Naoaki; US2009/82403; (2009); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

137-00-8, 4-Methyl-5-thiazoleethanol is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

5-(2-hydroxyethyl)-4-methylthiazole 7 (3.0 g, 21.0 mmol) and methyl iodide (2.64 mL, 42.0 mmol) were mixed and refluxed for 2 h. After evaporation of excess methyl iodide, to the residual brown syrup was added ether (50 mL) and stirred for 30 min, the precipitate was filtered to get 17 as a pale-yellow solid (5.76 g, 96.3%). Mp: 82-84 C; 1H NMR (D2O, ppm): 4.14 (s, 3 H, CH3N), 3.90 (t, 2 H, CH2CH2O, J = 5.6 Hz), 3.19 (t, 2 H, CH2CH2O, J = 6.0 Hz), 2.53 (s, 3 H, CCH3).

137-00-8, The synthetic route of 137-00-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Fan, Wei; Wu, Yong; Li, Xian-Kun; Yao, Nian; Li, Xun; Yu, Yong-Guo; Hai, Li; European Journal of Medicinal Chemistry; vol. 46; 9; (2011); p. 3651 – 3661;,
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.53572-98-8,Imidazo[2,1-b]thiazole-6-carboxylic acid,as a common compound, the synthetic route is as follows.

To a solution of the respective carboxylic acid (0.030 mmol, 1.8 eq) in DMF (0.25 mL) is added successively a solution of DIPEA (0.075 mmol, 4.4 eq) in DMF (0.15 mL) and a solution of TBTU (0.030 mmol, 1.8 eq) in DMF (0.15 mL). The obtained mixture is treated with a solution of the respective 3-aza-bicyclo[3.1.0]hexane derivative (0.017 mmol, 1.0 eq, free base) in DMF (0.15 mL). The mixture is shaken over night and purified by prep. HPLC to give the respective amide derivatives. prepared by reaction of [(1R*,2S*,5S*)-2-aminomethyl-3-aza-bicyclo[3.1.0]hex-3-yl]-(2-methyl-5-m-tolyl-thiazol-4-yl)-methanone with imidazo[2,1-b]thiazole-6-carboxylic acid. LC-MS: tR=0.84 min; [M+H]+=478.1., 53572-98-8

The synthetic route of 53572-98-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Actelion Phamaceuticals Ltd.; US2010/16401; (2010); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

34272-64-5, 2-(4-Methyl-2-thioxo-2,3-dihydrothiazol-5-yl)acetic acid is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Each resin from Step 3 was distributed into 24 fritted syringes (Torvig, 50 mg each, 50 mumol), for a total of 96 syringes, and was swelled in NMP (1 mL) for 30 min. The solvent was removed by filtration. Twenty-four solutions of the building blocks listed below (10 mmol each) and DIBA (3.5 mL, 20 mmol) in NMP (10 mL) were prepared. 3 mL of the 24 solutions was added to the 24 syringes for each resin from Step 3, accordingly. The suspensions were then shaken for 20 h on a Titer Plate Shaker. The reaction mixture was filtered and washed 5 times with methylene chloride (5 mL), 3 times with THF (5 mL), 3 times THF/H2O (3/1 v/v, 5 mL), and 3 times with THF (5 mL). The resins were then dried overnight under vacuum., 34272-64-5

The synthetic route of 34272-64-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Kong, Xianqi; Wu, Xinfu; Valade, Isabelle; Gervais, Francine; US2006/167057; (2006); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

432047-36-4, 1-(2-Thiazolyl)ethylamine is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,432047-36-4

Example 84: N-[4-[(6,7-Dimethoxy-4-quinolyl)oxy]-2-(trifluoromethyl)phenyl]-N’-[(1S)-1-(1,3-thiazol-2-yl)ethyl]urea 4-[(6,7-Dimethoxy-4-quinolyl)oxy]-2-(trifluoromethyl)aniline (30 mg) was dissolved in chloroform (1 ml) and triethylamine (0.1 ml) to prepare a solution. A solution of triphosgene (35 mg) in chloroform (0.2 ml) was then added to the solution, and the mixture was stirred at room temperature for one hr. Next, a solution of (1S)-1-(1,3-thiazol-2-yl)-1-ethylamine (35 mg) in chloroform (0.2 ml) was added thereto, and the mixture was stirred at room temperature for 10 hr. The stirred mixture was purified by chromatography on silica gel using chloroform/methanol for development to give the title compound (29 mg, yield 68%). 1H-NMR (CDCl3, 400 MHz): delta 1.70 (d, J = 6.8 Hz, 3H), 4.07 (s, 3H), 4.10 (s, 3H), 5.34 – 5.41 (m, 1H), 6.26 (d, J = 6.8 Hz, 1H), 6.58 (d, J = 5.9 Hz, 1H), 7.16 (s, 1H), 7.30 (d, J = 3.2 Hz, 1H), 7.37 (dd, J = 2.9, 9.0 Hz, 1H), 7.44 (d, J = 2.7 Hz, 1H), 7.55 (s, 1H), 7.72 (d, J = 3.4 Hz, 1H), 7.75 (br, 1H), 8.23 (d, J = 9.0 Hz, 1H), 8.51 (d, J = 5.9 Hz, 1H)

The synthetic route of 432047-36-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; KIRIN BEER KABUSHIKI KAISHA; EP1535910; (2005); 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.6436-59-5,Ethyl 2-methylthiazole-4-carboxylate,as a common compound, the synthetic route is as follows.

6436-59-5, A solution of 2-methyl-thiazole-4-carboxylic acid ethyl ester (1.26g, 7.36 mmol) in ethyl ether (10 mL) was cooled to -78 C and treated with a solution of LAH (0.83g, 21.9 mmol) in dry THF (30 mL) added dropwise over 10 min. After 3 hours, at -78 C, the mixture was quenched with sat. Na2S04 (app. 20 mL). The mixture was allowed to warm up to 22 C and was extracted with ethyl ether (4 x 50 mL). The combined extracts were washed with brine, dried over anhydrous MgS04 and concentrated to give an oil. Filtration on a silica gel pad (3 x 7 cm) and elution with ethyl acetate gave an oil which was distilled to afford the title material (0.664g, 70%) as an oil which crystallized. B.p. 60-70 C / 0.2 torr. HRMS(ESI) calcd for C5H8NOS [M+H]+ m/z 130.0321, found 130.0342. 1H NMR (CDCl3, 600 MHz) delta 6.99 (d, J= 0.8 Hz, 1H), 4.70 (s, 1H), 2.98 (br s, 1H), 2.68 (s, 3H).

The synthetic route of 6436-59-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; BRISTOL-MYERS SQUIBB COMPANY; UNIVERSITE DE MONTREAL; BANVILLE, Jacques; REMILLARD, Roger; RUEDIGER, Edward H.; DEON, Daniel H.; GAGNON, Marc; DUBE, Laurence; GUY, Julia; PRIESTLEY, Eldon Scott; POSY, Shoshana L.; MAXWELL, Brad D.; WONG, Pancras C.; WO2013/163279; (2013); 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.38205-60-6,1-(2,4-Dimethylthiazol-5-yl)ethanone,as a common compound, the synthetic route is as follows.

Example 111-[N,N-dimethylaminocarbonyl-methyl]-2-[2-(2,4-dimethylthiazol-5-yl)-quinolin- 6-yl]-3-cyclohexyl-1H-indole-6-carboxylic acid (Compound 212) Preparation of 6-bromo-2-(2,4-dimethyl-thiazol-5-yl)-quinoline (125): [0217] A mixture of 1.071 g (5.354 mmol) compound 110, 723 muL (5.354 mmol) 5- acety1-2,4-dimethylthiazole and 9.0 mL 10% KOH/ethanol (16.062 mmol KOH) in 60 mL ethanol was refluxed overnight under argon. It was then evaporated and the residue triturated with water. The solid crude product was filtered through a 250 mL silica pad using a 10% to 60% toluene-ethylacetate gradient to give 1.164g (68%) compound 125,1H-NMR (DMSO-d6): delta(ppm) 8.39 (d, 1H, J=8.7Hz), 8.27 (m, 1H), 7.88-7.86 (m, 3H), 2.68 (s, 3H), 2.64 (s, 3H).; Example 88 Step 1. 6-Bromo-2-(2,4-dimethyl-thiazol-5-y1)-quinoline (125)[0307] To a solution of KOH (10.32 (85%) g, 156.27 mmol) in anhydrous EtOH (700 mL) was added 2-amino-5-bromobenzaldehyde (10.42 g, 52.09 mmol) and 5-acety1- 2,4-dimethylthiazole (8.16 mL, 60.42 mmol). The mixture was stirred under Ar at 78 0C for 16 h and then cooled down in an ice-bath. It was neutralized to pH 7 with 5 N HCl and then evaporated to about 60 mL. Water (500 mL) was added. The precipitate formed were collected by filtration, washed thoroughly with water, and dried to give 125 (15.62 g, 94%).

38205-60-6, The synthetic route of 38205-60-6 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; GENELABS TECHNOLOGIES, INC.; WO2006/76529; (2006); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

533-30-2, 6-Aminobenzothiazole is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

533-30-2, Example B22 To a stirring suspension of 6-aminobenzothiazole (0.500 g, 3.33 mmol) in cone. HCl (5 ml) at 0-5 C. was added a solution of NaNO2 (0.276 g, 3.99 mmol) in H2O (5 ml). The mixture was stirred at 0-5 C. for 75 min until a clear yellow solution was obtained. To this was then added a solution of SnCl2.2H2O (2.76 g, 13.3 mmol) in conc. HCl (5 ml). After completing the addition, the suspension was stirred at RT for 2 h. 4-Methyl-3-oxopentanenitrile (0.444 g, 3.99 mmol) and EtOH (50 ml) were added and the reaction was stirred with heating at 75 C. After 18 h, the completed reaction was cooled to RT and concentrated to an aqueous residue. This was chilled thoroughly in ice and made strongly basic (pH 12-13) by the addition of 6M NaOH. While still cold the mixture was extracted with EtOAc (2*). The combined organics were washed with H2O (2*), brine (1*), dried (MgSO4), filtered and evaporated to afford crude 1-(benzo[d]thiazol-6-yl)-3-isopropyl-1H-pyrazol-5-amine (0.8 g, 93% yield) as an oil which was used as is in the next reaction. 1H NMR (400 MHz, DMSO-d6) delta 9.36 (s, 1H), 8.30 (d, J=2.4 Hz, 1H); 8.10 (d, J=8.8 Hz, 1H), 7.74 (dd, J=2.4 and 8.8 Hz, 1H), 5.36 (s, 1H), 5.33 (brs, 2H), 2.76 (septet, J=6.8 Hz, 1H), 1.17 (d, J=6.8 Hz, 6H); MS (ESI) m/z: 259.0 (M+H+).

As the paragraph descriping shows that 533-30-2 is playing an increasingly important role.

Reference£º
Patent; Deciphera Pharmaceuticals, LLC; US2008/90856; (2008); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica

57268-16-3, 5-Bromo-2-methylthiazole is a thiazole compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

57268-16-3, A sol. of intermediate 7 (0.070 g, 0.14 mmol), 5-bromo-2-methylthiazole (0.051 g, 0.29 mmol), Cs2CO3 (0.047 g, 0.14 mmol), Pd(PPh3)4 (0.033 g, 0. 29 mmol) and a 3 N NaOH aq. sol. (0.024 ml, 0.07 mmol) in 1,4-dioxane (10 ml) was purged with N2 for 2 min. The r.m. was stirred at 80 0C overnight. After cooling, H2O was added and the product was extracted with DCM. The organic phase was washed with brine, dried (Na2SO4) filtered and concentrated under reduced pressure. The residue was purified by preparative HPLC [RP Shandon Hyperprep Cl 8 BDS (8 mum, 250 g, LD. 5 cm); mobile phase: (0.25 % NH4CO3 sol. in water, MeOH + CH3CN)]. The product fractions were collected and concentrated under reduced pressure. Yield: 0.013 g of compound 4 (19.7 %).

57268-16-3 5-Bromo-2-methylthiazole 13228663, athiazole compound, is more and more widely used in various fields.

Reference£º
Patent; ORTHO-MCNEIL-JANSSEN PHARMACEUTICALS, INC; GIJSEN, Henricus, Jacobus, Maria; VELTER, Adriana, Ingrid; MACDONALD, Gregor, James; BISCHOFF, Francois, Paul; WU, Tongfei; VAN BRANDT, Sven, Franciscus, Anna; SURKYN, Michel; ZAJA, Mirko; PIETERS, Serge, Maria, Aloysius; BERTHELOT, Didier, Jean-Claude; DE CLEYN, Michel, Anna, Jozef; OEHLRICH, Daniel; WO2010/89292; (2010); A1;,
Thiazole | C3H3NS – PubChem
Thiazole | chemical compound | Britannica