Category: 677304-75-5

677304-75-5, 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. 6-Bromobenzo[d]isothiazole-3-carboxylic acid, cas is 677304-75-5,the isothiazole compound, it is a common compound, a new synthetic route is introduced below.

The following esters were prepared from the acid using ethanol and sulfuric acid: Ethyl 6-bromobenzisothiazole-3-carboxylate. Ethyl 6-methoxybenzisothiazole-3-carboxylate. tert-Butyl 5-bromo-1,2-benzisothiazole-3-carboxylate.

The chemical industry reduces the impact on the environment during synthesis,677304-75-5,6-Bromobenzo[d]isothiazole-3-carboxylic acid,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; Schumacher, Richard; Danca, Mihaela Diana; Ma, Jianguo; Herbert, Brian; Nguyen, True Minh; Xie, Wenge; Tehim, Ashok; US2007/78147; (2007); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

As a common heterocyclic compound, it belongs to isothiazole compound, name is 6-Bromobenzo[d]isothiazole-3-carboxylic acid, and cas is 677304-75-5, its synthesis route is as follows.

Step 3: DIEA (11.7 mL, 67.4 mmol) and HBTU (7.03 g, 18.5 mmol) were added to a solution of 6-bromobenzo[d]isothiazole-3-carboxylic acid (4.35 g, 16.9 mmol) and N,O-dimethylhydroxylamine hydrochloride (2.14 g, 21.9 mmol) in DMF (100 mL). The reaction was stirred at room temperature for 2 hours. The mixture was partitioned between water and EtOAc. The organic layer was washed with aqueous NaHCO3 solution and brine, dried and concentrated. The residue was purified by column chromatography (hexane:EtOAc, 3:1) to give 6-bromo-N-methoxy-N-methylbenzo[d]isothiazole-3- carboxamide (4.60 g, 91%) as a solid. 1H NMR (CDCl3, 400 MHz) delta 8.12 (m, 2H), 8.59 (d, J = 8.8 Hz, IH), 3.83 (s, 3H), 3.49 (s, 3H).

677304-75-5, 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.,677304-75-5 ,6-Bromobenzo[d]isothiazole-3-carboxylic acid, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; ARRAY BIOPHARMA INC.; GENENTECH, INC.; WO2009/89462; (2009); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

As a common heterocyclic compound, it belongs to isothiazole compound, name is 6-Bromobenzo[d]isothiazole-3-carboxylic acid, and cas is 677304-75-5, its synthesis route is as follows.

Step 5[00200] Sulfuryl dichloride (86.7 mg, 728 mumol) was added to a solution of 6- bromobenzo[d]-isothiazole-3-carboxylic acid (188 mg, 728 mumol). The reaction mixture was stirred for 30 min before removing the volatiles by rotovap. The residue was taken up in CH2Cl2 (0.587 ml) and a solution of 2-propylamine (62.5 muL, 728 mumol) and triethylamine (101 mul, 728 mumol) in CH2Cl2 (1.2 ml) was added. The reaction mixture was stirred at room temperature until LCMS analysis indicated complete conversion to the desired product. The reaction mixture was diluted with distilled water and ethyl acetate. The layers were separated and the aqueous was extracted with ethyl acetate. The combined organics were washed with brine and dried over Na2SO4, filtered and concentrated to give 6-bromo-N- isopropylbenzo[d]isothiazole-3-carboxamide.

677304-75-5, 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.,677304-75-5 ,6-Bromobenzo[d]isothiazole-3-carboxylic acid, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; AMGEN INC.; MEMORY PHARMACEUTICALS CORPORTION; WO2007/98169; (2007); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

677304-75-5, 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. 6-Bromobenzo[d]isothiazole-3-carboxylic acid, cas is 677304-75-5,the isothiazole compound, it is a common compound, a new synthetic route is introduced below.

Step 5; Sulfuryl dichloride (86.7 mg, 728 mumol) is added to a solution of6-bromobenzo[d]-isothiazole-3-carboxylic acid (188 mg, 728 mumol). The reaction mixture is stirred for 30 min before removing the volatiles by rotovap. The residue is taken up in CH2Cl2 (0.587 ml) and a solution of 2-prorhoylamine (62.5 muL, 728 mumol) and triethylamine (101 mul, 728 mumol) in CHjCl2 (1.2 ml) is added. The reaction mixture is stirred at room temperature until LC/MS analysis indicates complete conversion to the desired product. The reaction mixture is diluted with distilled water and ethyl acetate. The layers are separated and the aqueous is extracted with ethyl acetate. The combined organics are washed with brine and dried over Na2SO4, filtered and concentrated to give 6-bromo-N-isopropylbenzo[d]isothiazole- 3-carboxamide.

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 677304-75-5, 6-Bromobenzo[d]isothiazole-3-carboxylic acid

Reference£º
Patent; AMGEN INC.; MEMORY PHARMACEUTICALS CORPORATION; WO2007/100880; (2007); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

As a common heterocyclic compound, it belongs to isothiazole compound, name is 6-Bromobenzo[d]isothiazole-3-carboxylic acid, and cas is 677304-75-5, its synthesis route is as follows.

The following procedure was used to prepare benzisothiazole tert-butyl esters: Di-tert-butyldicarbonate (128 mmol) was added to a suspension of 6-bromo-1,2-benzisothiazole-3-carboxylic acid (46.5 mmol) and 4-dimethylaminopyridine (4.26 mmol) in tert-butyl alcohol (40.0 mL) and tetrahydrofuran (40.0 mL) and the reaction mixture was heated at 65 C. for 16 hours. There was vigorous carbon dioxide evolution which gradually subsided as the mixture become homogeneous. The reaction mixture was concentrated and the residue was dissolved in dichloromethane. The dichloromethane solution was filtered through silica gel (ca. 50 g) and the eluent was concentrated to provide the ester product in 99% yield.

677304-75-5, 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.,677304-75-5 ,6-Bromobenzo[d]isothiazole-3-carboxylic acid, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; Schumacher, Richard; Danca, Mihaela Diana; Ma, Jianguo; Herbert, Brian; Nguyen, True Minh; Xie, Wenge; Tehim, Ashok; US2007/78147; (2007); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

As a common heterocyclic compound, it belongs to isothiazole compound, name is 6-Bromobenzo[d]isothiazole-3-carboxylic acid, and cas is 677304-75-5, its synthesis route is as follows.

The following procedure was used to prepare benzisothiazole fer/-butyl esters:Di-ferz’-butyldicarbonate (128 mmol) was added to a suspension of 6-bromo-l,2- benzisothiazole-3-carboxyIic acid (46.5 mmol) and 4-dimethylaminopyridine (4.26 mmol) in tert-buty alcohol (40.0 mL) and tetrahydrofuran (40.0 mL) and the reaction mixture was heated at 65 0C for 16 hours. There was vigorous carbon dioxide evolution which gradually subsided as the mixture become homogeneous. The reaction mixture was concentrated and the residue was dissolved in dichloromethane. The dichloromethane solution was filtered through silica gel (ca. 5Og) and the eluent was concentrated to provide the ester product in 99% yield.The following ester was prepared using this method:tert-Butyl S-brorno-l^-benzisothiazole-S-carboxylate. tert-Butyl -bromo-l^-benzisothiazole-S-carboxylate.

677304-75-5, 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.,677304-75-5 ,6-Bromobenzo[d]isothiazole-3-carboxylic acid, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; MEMORY PHARMACEUTICALS CORPORATION; WO2007/56582; (2007); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com

 

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

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1 H-INDAZOLES, BENZOTHIAZOLES, 1,2-BENZOISOXAZOLES, 1,2-BENZOISOTHIAZOLES, AND CHROMONES AND PREPARATION AND USES THEREOF

The present invention relates generally to the field of ligands for nicotinic acetylcholine receptors (nAChR), activation of nAChRs, and the treatment of -disease conditions associated with defective or malfunctioning nicotinic acetylcholine receptors, especially of the brain. Further, this invention relates to novel compounds (indazoles and benzothiazoles), which act as ligands for the alpha7 nAChR subtype, methods of preparing such compounds, compositions containing such compounds, and methods of use thereof.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

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INDOLES, 1H-INDAZOLES, 1,2-BENZISOXAZOLES, 1,2-BENZOISOTHIAZOLES, AND PREPARATION AND USES THEREOF

The present invention relates generally to the field of ligands for nicotinic acetylcholine receptors (nACh receptors), activation of nACh receptors, and the treatment of disease conditions associated with defective or malfunctioning nicotinic acetylcholine receptors, especially of the brain. Further, this invention relates to novel compounds (indazoles and benzothiazoles), which act as ligands for the alpha7 nACh receptor subtype, methods of preparing such compounds, compositions containing such compounds, and methods of use thereof.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com