5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN

Base Information

• Chemical Name: 5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN
• CAS No.: 21326-44-3
• Molecular Formula: C₂₀H₁₅N₅S
• Molecular Weight: 357.439
• Hs Code.: 2934999090
• Mol file: 21326-44-3.mol

Synonyms:1-Benzothiazolyl-3,5-diphenylformazan;Benzothiazolyldiphenylformazan;

Chemical Property of 5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN

Chemical Property:

• Vapor Pressure: 5.62E-11mmHg at 25°C
• Melting Point: 185oC
• Boiling Point: 521.6oC at 760 mmHg
• Flash Point: 269.2oC
• PSA: 90.24000
• Density: 1.28g/cm3
• LogP: 5.92690

Purity/Quality:

5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN

There total 2 articles about 5-(2-BENZOTHIAZOLYL)-1,3-DIPHENYLFORMAZAN 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: 45.0%

benzene diazonium chloride (100-34-5) + benzaldehyde (100-52-7) + 1,3-benzothiazol-2-ylhydrazine (615-21-4) → 1-phenyl-3-phenyl-5-(benzothiazol-2-yl)formazan (21326-44-3,142399-45-9)

Guidance literature:

benzaldehyde; 1,3-benzothiazol-2-ylhydrazine; With acetic acid; In methanol; at 20 ℃; for 1h;

With sodium acetate; sodium hydroxide; at 20 ℃;

benzene diazonium chloride; In water; at 0 ℃; for 4h;

DOI:10.1016/j.dyepig.2021.110002

Reference yield:

benzaldehyde 2-benzothiazolylhydrazone (16586-67-7) + aniline (62-53-3) → 1-phenyl-3-phenyl-5-(benzothiazol-2-yl)formazan (21326-44-3,142399-45-9)

Guidance literature:

Multistep reaction; (i) aq. HCl, NaNO₂, (ii) /BRN= 207501/, EtOH;

DOI:10.1007/BF00478486

Reference yield: 72.0%

1-phenyl-3-phenyl-5-(benzothiazol-2-yl)formazan (21326-44-3,142399-45-9) + palladium dichloride → chloropalladium(II)(1,3-diphenyl-5-(benzothiazol-2-yl)formazanate) (1207188-66-6)

Guidance literature:

With HCl; In hydrogenchloride; toluene; soln. of 1,3-diphenyl-5-(benzothiazol-2-yl)formazan (1.1 mol) in tolueneadded to soln. of PdCl2 (1.5 mol) in dild. aq. HCl; mixt. stirred for 2 h; soln. stored at room temp. for 1 d; toluene layer sepd. and evapd.; solid dried; elem. anal.;

DOI:10.1134/S1070328409030099

upstream raw materials:

benzaldehyde 2-benzothiazolylhydrazone

aniline

benzene diazonium chloride

benzaldehyde

Downstream raw materials:

2-benzothiazol-2-yl-4,6-diphenyl-1⁽⁶⁾,2,3,4-tetrahydro-[1,2,4,5]tetrazine

cobalt(II) 1,3-diphenyl-5-(benzothiazol-2-yl)formazanate

chloropalladium(II)(1,3-diphenyl-5-(benzothiazol-2-yl)formazanate)