Tag: M.W:200-300

3939-23-9, 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. 3-Bromo-10H-phenothiazine, cas is 3939-23-9,the thiazines compound, it is a common compound, a new synthetic route is introduced below.

In a nitrogen-flushed 250 mL round-bottom flask with a magnetic stir bar and septum 3-bromo-10H-phenothiazine (4.95 g, 17.8 mmol) was dissolved in dry THF (50 mL) under nitrogen. The colorless solution was deaerated by a constant stream of nitrogen through a syringe for 10 min and cooled to 0 C (ice bath/water). Potassium tert-butanolate (2.40 g, 21.4 mmol) was added to the reaction mixture under nitrogen and the reaction mixture was allowed to come to room temperature and then stirred for 1 h. To this solution 1-bromo hexane (3.00 mL, 21.4 mmol) was slowly added by syringe and stirring at room temp was continued for 16 h. The solvents were removed in vacuo and the residue was adsorbed onto celiteand purified by chromatography on silica gel (n-hexane) to give 5.83 g (90%) of 3-bromo-10-hexyl-10H-phenothiazine (1a) as a yellow resin, Rf (n-hexane) = 0.43. The NMR spectra were in excellent agreement with the literature. 1H NMR (300 MHz, acetone-d6): delta = 0.84 (t, 3J = 7.1 Hz, 3 H), 1.23-1.33 (m, 4 H), 1.44 (dt, 3J = 7.2 Hz, 3J = 6.8 Hz, 2 H), 1.77 (dt, 3J = 7.5 Hz, 3J = 7.5 Hz, 2 H), 3.92 (t, 3J = 7.0 Hz, 2 H), 6.95 (d, 3J = 8.7 Hz, 2 H), 7.03 (dd, 3J = 8.2 Hz, 4J = 0.9 Hz, 1 H), 7.14 (dd, 3J = 7.6 Hz, 4J = 1.4 Hz, 1 H), 7.21 (ddd, 3J = 8.2 Hz, 3J = 7.3 Hz, 4J = 1.6 Hz, 1 H), 7.27 (d, 4J = 2.2 Hz, 1 H), 7.32 (dd, 3J = 8.6 Hz, 4J = 2.3 Hz, 1 H). -13C NMR (75 MHz, acetone-d6): delta = 14.2 (CH3), 23.2 (CH2), 27.0 (CH2), 27.4 (CH2), 32.1 (CH2), 47.9 (CH2), 114.7 (Cquat), 116.9 (CH), 118.1 (CH), 123.6 (CH), 124.7 (Cquat), 128.1 (Cquat), 128.1 (CH), 128.6 (CH), 130.0 (CH), 130.9 (CH), 145.7 (Cquat), 145.9 (Cquat).

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 3-Bromo-10H-phenothiazine, 3939-23-9

Reference£º
Article; Urselmann, Dominik; Deilhof, Konstantin; Mayer, Bernhard; Mueller, Thomas J. J.; Beilstein Journal of Organic Chemistry; vol. 12; (2016); p. 2055 – 2064;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

As a common heterocyclic compound, it belongs to thiazines compound, name is 3-Bromo-10H-phenothiazine, and cas is 3939-23-9, its synthesis route is as follows.

Compound 1 was synthesized by the modification of the published method [18]. Sodium hydride(2.2 g, 53.9 mmol) was stirred with 3-bromo-10H-phenothiazine (10.0 g, 35.9 mmol, dissolved in dryDMF) for 30 min. Bromoethane (4.7 g, 43.1 mmol) was then added to the mixture and stirred for 10 hat room temperature in dark environment. After the reaction completed, water was added to react theremaining sodium hydride. White solid was precipitated and collected by vacuum filtration. The solidwas first washed with small amount of EA and then washed with n-hexane. 1H NMR (400 MHz,acetone-d6) 7.34 (dd, J = 8.7, 2.3 Hz, 1H), 7.28 (d, J = 2.3 Hz, 1H), 7.25-7.19 (m, 1H), 7.15 (dd, J = 7.6,1.5 Hz, 1H), 7.04 (dd, J = 8.3, 1.2 Hz, 1H), 6.99 (d, J = 1.2 Hz, 0H), 6.97 (s, 1H), 6.95 (s, 1H), 3.99 (q,J = 6.9 Hz, 2H), 1.38 (t, J = 6.9 Hz, 3H).

3939-23-9, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,3939-23-9 ,3-Bromo-10H-phenothiazine, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Lao, Hio Kuan; Tan, Jingyun; Wang, Chunfei; Zhang, Xuanjun; Molecules; vol. 24; 19; (2019);,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

As a common heterocyclic compound, it belongs to thiazines compound, name is 2-(Trifluoromethyl)-10H-phenothiazine, and cas is 92-30-8, its synthesis route is as follows.

Compound 21; 10-(4-chlorobutyl)-2-trifluoromethylphenothiazine; To a stirred solution of 2-trifluoromethylphenothiazine 1 (4.Og, 15 mmol), sodium hydride (1.2g, 24 mmol) in dry toluene (40 mL), 1-bromo 4- chlorobutane (3.0 g, 17.6 mmol) was added. The reaction mixture was stirred for 18 hours at 110 C under an atmosphere of argon. The solution was cooled to room temperature and poured into an ice-water mixture. The crude product was extracted with ethyl acetate (3chi50mL) and the organic phase was dried over sodium sulphate. Final purification was performed by column chromatography (9: 1 hexane: ethyl acetate) on silica gel to give 21 (3.5 g, 65% ) as an oil.

92-30-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,92-30-8 ,2-(Trifluoromethyl)-10H-phenothiazine, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; IMMUNE CONTROL, INC.; WO2008/27521; (2008); A1;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

Name is 2-(Trifluoromethyl)-10H-phenothiazine, as a common heterocyclic compound, it belongs to thiazines compound, and cas is 92-30-8, its synthesis route is as follows.

General procedure: Phenothiazine 1 (5g, 25.09mmol) was taken in anhydrous N, N-dimethyl formamide (DMF) (50mL) in a dry round bottom flask. Sodium hydride (2g, 50.18mmol) was added under nitrogen condition at 0C and stirred for 30min at room temperature. Methyl iodide (3.4mL, 50.18mmol) was added and continued the stirring for 8h. After that, the reaction mixture (monitored by TLC) was quenched with ice cold water (150mL). The separated solid was filtered off, dried and used as such for the next step.

92-30-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,92-30-8 ,2-(Trifluoromethyl)-10H-phenothiazine, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Reddyrajula, Rajkumar; Dalimba, Udayakumar; Madan Kumar; European Journal of Medicinal Chemistry; vol. 168; (2019); p. 263 – 282;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

92-30-8, 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. 2-(Trifluoromethyl)-10H-phenothiazine, cas is 92-30-8,the thiazines compound, it is a common compound, a new synthetic route is introduced below.

A solution of2- (trifluoromethyl)-lOH-phenothiazine (2.04g, 7.6mmol) and DMF (16mL) was mixed with CS2C03 (7.5g, 22.9mmol) and l-bromo-3-chloropropane (1.1 mL, 11.5mmol). The reaction mixture was heated at 65 C for 12h. Once no starting material was observed by analytical LCMS, EtOAC (250mL) and brine (250mL) were added. The organic layer was separated, and the aqueous layer was washed with EtOAC (3 chi l00mL). The combined organic extracts were washed with brine (2 chi lOOmL), dried over MgSO iota, and concentrated to afford the title compound.

The chemical industry reduces the impact on the environment during synthesis,92-30-8,2-(Trifluoromethyl)-10H-phenothiazine,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; INCEPTION 1, INC.; CHEN, Austin, Chih-Yu; SCOTT, Jill, Melissa; STEARNS, Brian, Andrew; STOCK, Nicholas, Simon; TRUONG, Yen, Pham; WO2013/43744; (2013); A2;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

As a common heterocyclic compound, it belongs to thiazines compound, name is Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate, and cas is 188614-01-9, its synthesis route is as follows.

A. (3,4-Dihydro-2H-benzo[1,4]thiazin-6-yl)-methanol. To a solution of 3-oxo-3,4-dihydro-2H-benzo[1,4]thiazine-6-carboxylic acid methyl ester (750 mg, 3.4 mmol) in Et2O (32 mL) was added LiAlH4 (240 mg, 6.3 mmol) and the resulting suspension was stirred at RT for 24 h. The reaction mixture was cooled to 0 C. and treated with H2O (0.5 mL), 15% aq. NaOH (0.5 mL), and H2O (1.5 mL). The resulting suspension was filtered. The filtrate was concentrated to provide 340 mg (58%) of the title compound as an amber oil. MS (ESI): exact mass calculated for C9H11NOS, 181.06; m/z found, 182.1 [M+H]+. 1H NMR (500 MHz, CDCl3): 6.96 (d, J=7.9, 1H), 6.60 (dd, J=7.9, 1.6, 1H), 6.49 (d, J=7.9, 1H), 4.52 (s, 2H), 3.65-3.62 (m, 2H), 3.06-3.04 (m, 2H).

188614-01-9, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,188614-01-9 ,Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; Allison, Brett D.; Gomez, Laurent; Grice, Cheryl A.; Hack, Michael D.; Morrow, Brian J.; Motley, S. Timothy; Santillan, Alejandro; Shaw, Karen J.; Schwarz, Kimberly L.; Tang, Liu Y.; Venkatesan, Hariharan; Wiener, John J. M.; US2006/223810; (2006); A1;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

3939-23-9, 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. 3-Bromo-10H-phenothiazine, cas is 3939-23-9,the thiazines compound, it is a common compound, a new synthetic route is introduced below.

2, under nitrogen protection will be prepared in step 1 p-phenylenediamine and phenothiazine derivatives according to 1:1 molar ratio was added to toluene, while adding potassium tert-butyl alcohol and palladium acetate as a catalyst,The reaction was heated to 80 C for 3 hours and then cooled to room temperature. The reaction was filtered,The filtrate was washed with dichloromethane and then the solvent was evaporated to dryness. The crude product was repeatedly washed with methanol and acetone,The product is obtained after purification by column chromatography.

The chemical industry reduces the impact on the environment during synthesis,3939-23-9,3-Bromo-10H-phenothiazine,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; Changchun Hai Purunsi Technology Co., Ltd.; Guo Jianhua; (12 pag.)CN106831645; (2017); A;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

Name is Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate, as a common heterocyclic compound, it belongs to thiazines compound, and cas is 188614-01-9, its synthesis route is as follows.

Step 1. Borane-tetrahydrofuran complex solution (1 M in tetrahydrofuran, 45 mL, 45 mmol) was added at 0 C. to a suspension of methyl-3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate (2.00 g, 8.96 mmol) in tetrahydrofuran (20 mL). The ice bath was removed, the homogenous solution stirred at room temperature for 2 h, then excess reagent was destroyed by careful addition of methanol (42 mL) at 0 C. After evaporation of volatile material, the residue was taken up in 5% methanolic sulfuric acid solution (25 mL) and the solution was heated at reflux over 80 min. After cooling, the reaction mixture was partitioned between ethyl acetate and water, the organic layer was dried (MgSO4) and evaporated to produce 3,4-dihydro-2H-benzo[1,4]thiazine-6-carboxylic acid methyl ester (1.79 g, 96%). Light yellow solid, MS (ISP)=210.1 (M+H)+.

188614-01-9, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,188614-01-9 ,Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; Ackermann, Jean; Bleicher, Konrad; Ceccarelli, Simona M.; Chomienne, Odile; Mattei, Patrizio; Sander, Ulrike Obst; US2007/191603; (2007); A1;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

As a common heterocyclic compound, it belongs to thiazines compound, name is 2-(Trifluoromethyl)-10H-phenothiazine, and cas is 92-30-8, its synthesis route is as follows.

General procedure: Formyl chloride derivatives (7 mmol) was added to the solution ofvarious arylamines (7 mmol) in acetone (25 ml). After stirring at 60 Cfor 6 h, the reaction mixture was concentrated to remove acetone. Theresidue was purified by column chromatography with petroleum/ethylacetate (9:1) to afford the target compound 15-27 and 29-32.

92-30-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,92-30-8 ,2-(Trifluoromethyl)-10H-phenothiazine, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Fu, Dong-Jun; Li, Miaomiao; Zhang, Sai-Yang; Li, Jiang-Feng; Sha, Beibei; Wang, Longhao; Zhang, Yan-Bing; Chen, Ping; Hu, Tao; Bioorganic Chemistry; vol. 92; (2019);,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem

38642-74-9, 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. 2-Cyano-phenothiazine, cas is 38642-74-9,the thiazines compound, it is a common compound, a new synthetic route is introduced below.

2-cyanophenothiazine (0.74 g, 3.30 mmol) was dissolved in 10 mL of anhydrous DMF. The mixture was cooled to 0 C and 60 % NaH (0.40 g, 9.90 mmol) was added. The dark mixture was stirred at 0 C for an additional 15 mm and Di-tert-butyl dicarbonate (0.90 g, 3.96 mmol) was added. The mixture was stirred at room temperature for 3 h and was diluted with 50 mL of brine. The aqueous layer was extracted with three 25 mL portions of ethyl acetate. The combined organic extract was dried over anhydrous MgSO4 and concentrated under diminished pressure. The crude was purified on a silica gel column (10 cm x 2 cm). Elution with ethyl acetate-hexane (1:9) gave 1 as a pale yellow solid: yield 1.07 g (100%); silica gel TLC R10.26 (ethyl acetate-hexane 1:9); ?HNIVIR (CDC13) 51.49 (s, 9H), 7.16-7.20 (m, 1H), 7.28-7.33 (m, 2H), 7.40 (s, 2H), 7.49 (d, 1H, J= 8.4 Hz) and 7.80 (s, 1H); ?3CI?IvIR 28.1, 83.1, 110.2, 118.2, 126.6, 127.2, 127.3, 127.5, 128.1,129.1, 130.3, 130.6, 137.7, 139.0, 139.1 and 151.8; mass spectrum (APCI), m/z 325.1017 (M+H) (C18H17N202S requires m/z 325.1011).

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 2-Cyano-phenothiazine, 38642-74-9

Reference£º
Patent; ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY; HECHT, Sidney; KHDOUR, Omar; CHOWDHURY, Sandipan, Roy; BANDYOPADHAY, Indrajit; (85 pag.)WO2016/133995; (2016); A1;,
Thiazine – an overview | ScienceDirect Topics
Thiazine | C4H5NS – PubChem