2-Benzothiazolamine,5-methoxy-N-methyl-(9CI)

Base Information

• Chemical Name: 2-Benzothiazolamine,5-methoxy-N-methyl-(9CI)
• CAS No.: 50450-73-2
• Molecular Formula: C₉H₁₀N₂OS
• Molecular Weight: 194.257
• Mol file: 50450-73-2.mol

Synonyms:5-Methoxy-2-(methylamino)benzothiazole

Chemical Property of 2-Benzothiazolamine,5-methoxy-N-methyl-(9CI)

Chemical Property:

• Vapor Pressure: 0.000487mmHg at 25°C
• Boiling Point: 313.7°C at 760 mmHg
• Flash Point: 143.5°C
• PSA: 65.62000
• Density: 1.297g/cm³
• LogP: 1.76850

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Benzothiazolamine,5-methoxy-N-methyl-(9CI)

There total 2 articles about 2-Benzothiazolamine,5-methoxy-N-methyl-(9CI) 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: 93.0%

methylamine (74-89-5) + 3-methoxyphenyl isothiocyanate (3125-64-2) → 5-methoxy-2-(methylamino)benzothiazole (50450-73-2)

Guidance literature:

methylamine; 3-methoxyphenyl isothiocyanate; In tetrahydrofuran; at 20 ℃; for 0.5h;

With benzyltrimethylazanium tribroman-2-uide; In tetrahydrofuran; at 20 ℃;

DOI:10.1021/acs.jmedchem.6b01208

Reference yield: 87.0%

1-(3-methoxyphenyl)-3-methylthiourea (35524-92-6) → 5-methoxy-2-(methylamino)benzothiazole (50450-73-2)

Guidance literature:

With acetic acid; benzyltrimethylazanium tribroman-2-uide; at 20 ℃; for 0.5h;

DOI:10.1021/jo0349431

Reference yield:

5-methoxy-2-(methylamino)benzothiazole (50450-73-2) → 5-(4-(4-(2,3-dichlorophenyl)piperidin-1-yl)butoxy)-N-methylbenzo[d]thiazol-2-amine

Guidance literature:

Multi-step reaction with 3 steps

1.1: hydrogen iodide / water / 5 h / Reflux

2.1: potassium carbonate / ethanol / 6 h / Reflux

3.1: sodium iodide / acetonitrile / 0.5 h / Reflux

3.2: 6 h / Reflux

With hydrogen iodide; potassium carbonate; sodium iodide; In ethanol; water; acetonitrile;

DOI:10.1021/acs.jmedchem.6b01208

upstream raw materials:

1-(3-methoxyphenyl)-3-methylthiourea

methylamine

3-methoxyphenyl isothiocyanate

Refernces

• 1、 Jordan, Alfonzo D.,Luo, Chi,Reitz, Allen B.. "Efficient Conversion of Substituted Aryl Thioureas to 2-Aminobenzothiazoles Using Benzyltrimethylammonium Tribromide". . p. 8693 - 8696. Retrieved 2007/10/03.