4-Bromo-benzenesulfonic acid potassium salt

Base Information

• Chemical Name: 4-Bromo-benzenesulfonic acid potassium salt
• CAS No.: 66788-58-7
• Molecular Formula: C6H4BrKO3S
• Molecular Weight: 275.164
• Hs Code.: 2904909090
• Mol file: 66788-58-7.mol

Synonyms:Benzenesulfonicacid, 4-bromo-, potassium salt (9CI);Potassium 4-bromobenzenesulfonate;

Chemical Property of 4-Bromo-benzenesulfonic acid potassium salt

Chemical Property:

• PSA: 65.58000
• LogP: 2.43400

Purity/Quality:

99% ^*data from raw suppliers

4-Bromobenzenesulfonic acid potassium salt 95 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-Bromo-benzenesulfonic acid potassium salt

There total 8 articles about 4-Bromo-benzenesulfonic acid potassium salt 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: 85.0%

1,2,2,3,3,4,4,5,5,6,6-undecafluorocyclohexanecarbonyl chloride (58816-79-8) + perfluorocyclohexancarbohydrazide (33843-80-0) → N'-perfluorocyclohexancarbonyl-perfluorocyclohexancarbohydrazide (33843-76-4)

Guidance literature:

In diethyl ether; addn. of soln. of C6F11C(O)NHNH2 in ether to C6F11C(O)Cl, shaking, standing 1 h, then heating by reflux (3-4 h);

Reference yield: 78.0%

1,2,2,3,3,4,4,5,5,6,6-undecafluorocyclohexanecarbonyl chloride (58816-79-8) + 2-(pyrrolidin-(2E/2Z)-ylidene)acetonitrile (13939-73-6) → 3-oxo-2-(pyrrolidin-(2Z)-ylidene)-3-undecafluorocyclohexylpropionitrile (1235319-92-2)

Guidance literature:

With triethylamine; In toluene; at 20 ℃; Inert atmosphere; Cooling with ice;

DOI:10.1002/ejic.200901196

Reference yield: 1.0%

potassium acetate (127-08-2) + exo-5,6-dimethylidene-2-norbornyl brosylate → 5,6-dimethylenebicyclo[2.2.1]hept-2-ene (5628-77-3) + potassium p-bromobenzenesulfonate (66788-58-7) + (3-methylidene-2-nortricyclyl)methyl acetate + 5,6-dimethylidene-2exo-norbornyl alcohol acetate

Guidance literature:

With acetic anhydride; In acetic acid; at 25 ℃; for 72h; Kinetics; Mechanism; Thermodynamic data; ΔH(excit.), ΔS(excit.); add of KOBs or LiClO4; var. temp.;

DOI:10.1002/hlca.19800630430

upstream raw materials:

1,2,2,3,3,4,4,5,5,6,6-undecafluorocyclohexanecarbonyl fluoride

potassium acetate

4-bromobenzenesulfonyl chloride

bromobenzene

Downstream raw materials:

terephthalonitrile

Refernces

• 1、 Cerfontain,Zou,Bakker,van de Griendt. "On the positional reactivity order in the sulfur trioxide sulfonation of benzene, halogenobenzenes, halogenonaphthalenes, and chloroanthracenes". . p. 1966 - 1971. Retrieved 2007/10/02.