2-phenylazopyridine-5-sulfonic acid

Base Information

• Chemical Name: 2-phenylazopyridine-5-sulfonic acid
• CAS No.: 718599-83-8
• Molecular Formula: C₁₁H₉N₃O₃S
• Molecular Weight: 263.277
• Mol file: 718599-83-8.mol

Synonyms:

Chemical Property of 2-phenylazopyridine-5-sulfonic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-phenylazopyridine-5-sulfonic acid

There total 1 articles about 2-phenylazopyridine-5-sulfonic acid 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: 14.0%

pyridine-2-amino-5-sulphonic acid (16250-08-1) + Nitrosobenzene (586-96-9) → 2-phenylazopyridine-5-sulfonic acid (718599-83-8)

Guidance literature:

With sodium hydroxide; In water; benzene; for 0.833333h; Heating;

DOI:10.1039/b313746e

Reference yield: 8.0%

2-phenylazopyridine-5-sulfonic acid (718599-83-8) + ruthenium(III) chloride trihydrate (14898-67-0) + tetraethylammonium chloride (56-34-8) → bis(tetraethylammonium) dichlorobis(2-phenylazopyridine-5-sulfonate)ruthenium(II) + bis(tetraethylammonium) dichlorobis(2-phenylazopyridine-5-sulfonate)ruthenium(II) dihydrate

Guidance literature:

In methanol; RuCl3*3H2O dissolved in MeOH, N2 bubbled through soln. for 15 min, soln.of azo compound in MeOH added, heated under reflux for 16 h, concd., ch romy. (basic Al2O3), green fraction eluted with MeOH, blue fraction eluted with soln. of NEt4Cl in MeOH; blue fraction concd. on rotary evaporator, Et2O added dropwise, allowed to stand for 48 h, crystals of α-isomer filtered off, β-isomer obtained from filtrate by concn. and recrystn. from MeOH/ether; elem. anal.;

DOI:10.1039/b313746e

upstream raw materials:

pyridine-2-amino-5-sulphonic acid

Nitrosobenzene