20443-76-9

Basic information

• Product Name: phenyl [1,1'-biphenyl]-4-sulfonate
• Synonyms: phenyl [1,1'-biphenyl]-4-sulfonate
• CAS NO: 20443-76-9
• Molecular Weight: 310.373
• Mol File: 20443-76-9.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: phenyl [1,1'-biphenyl]-4-sulfonate(CAS DataBase Reference)
• NIST Chemistry Reference: phenyl [1,1'-biphenyl]-4-sulfonate(20443-76-9)
• EPA Substance Registry System: phenyl [1,1'-biphenyl]-4-sulfonate(20443-76-9)

Safety Data

• Hazardous Substances Data: 20443-76-9(Hazardous Substances Data)

Upstream product

• 1623-93-4 4-diphenylsulfonyl chloride 
• 108-95-2 phenol 

Downstream Products

• 92-52-4 biphenyl 
• 613-37-6 4-methoxylbiphenyl 
• 2132-80-1 4,4'-Dimethoxybiphenyl 

Relevant articles and documents

Sulfonate Versus Sulfonate: Nickel and Palladium Multimetallic Cross-Electrophile Coupling of Aryl Triflates with Aryl Tosylates

While phenols are frequent and convenient aryl sources in cross-coupling, typically as sulfonate esters, the direct cross-Ullmann coupling of two different sulfonate esters is unknown. We report here a general solution to this challenge catalyzed by a combination of Ni and Pd with Zn reductant and LiBr as an additive. The reaction has broad scope, as demonstrated in 33 examples (65% ± 11% average yield). Mechanistic studies show that Pd strongly prefers the aryl triflate, the Ni catalyst has a small preference for the aryl tosylate, aryl transfer between catalysts is mediated by Zn, and Pd improves yields by consuming arylzinc intermediates.

KINETICS OF THE SULFONYLATION OF SUBSTITUTED PHENOLS WITH BIPHENYLSULFONYL CHLORIDES IN THE PRESENCE OF TRIETHYLAMINE

The kinetics of sulfonation by monosulfonyl chlorides YC6H4SO2Cl (Y = Ph, PhS, PhSO2) in substituted phenols XC6H4OH ( where X = H, p-CH3, p-OCH3, m-OH, m-CH3, p-Cl, p-Br ) in the presence of triethylamine in benzene were investigated in the range of 20-4