2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester

Base Information

• Chemical Name: 2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester
• CAS No.: 1155287-27-6
• Molecular Formula: C9H7BrN2O2S
• Molecular Weight: 287.13308
• Mol file: 1155287-27-6.mol

Synonyms:2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester;Methyl 2-amino-4-bromobenzo[d]thiazole-6-carboxylate

Chemical Property of 2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester

Chemical Property:

• Boiling Point: 426.3±48.0 °C(Predicted)
• PKA: 0.94±0.10(Predicted)
• PSA: 93.45000
• Density: 1.765±0.06 g/cm3(Predicted)
• LogP: 3.00880

Purity/Quality:

NLT 98% ^*data from raw suppliers

Methyl2-Amino-4-bromobenzo[d]thiazole-6-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester

There total 2 articles about 2-AMino-4-broMo-benzothiazole-6-carboxylic acid Methyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

2-Amino-4-bromo-benzothiazole-6-carboxylic Acid (18330-80-8) + diazomethyl-trimethyl-silane (18107-18-1) → methyl 2-amino-4-bromo-1,3-benzothiazole-6-carboxylate (1155287-27-6)

Guidance literature:

With methanol; In tetrahydrofuran; at 20 ℃; for 1h;

Reference yield:

sodium thiocyanide (540-72-7) + methyl 4-amino-3-bromobenzoate (106896-49-5) → methyl 2-amino-4-bromo-1,3-benzothiazole-6-carboxylate (1155287-27-6)

Guidance literature:

With bromine; acetic acid; at 0 - 60 ℃; for 36h;

Reference yield:

methyl 2-amino-4-bromo-1,3-benzothiazole-6-carboxylate (1155287-27-6) → methyl 2,4-dibromo-1,3-benzothiazole-6-carboxylate (1383824-12-1)

Guidance literature:

With tert.-butylnitrite; copper(I) bromide dimethylsulfide complex; In acetonitrile; at 0 - 20 ℃; for 3h; Cooling with ice;

upstream raw materials:

2-Amino-4-bromo-benzothiazole-6-carboxylic Acid

diazomethyl-trimethyl-silane

sodium thiocyanide

methyl 4-amino-3-bromobenzoate

Downstream raw materials:

methyl 2,4-dibromo-1,3-benzothiazole-6-carboxylate

Refernces

• 1、 -. "SUBSTITUTED BENZOAZOLE PDE4 INHIBITORS FOR TREATING PULMONARY AND CARDIOVASCULAR DISORDERS". Page/Page column 22; 23. . Retrieved 2009/05/28.