82695-75-8

Basic information

• Product Name: 4-phenyl-1-(phenylsulfonyl)-1H-pyrazole
• Synonyms: 4-phenyl-1-(phenylsulfonyl)-1H-pyrazole
• CAS NO: 82695-75-8
• Molecular Weight: 284.338
• Mol File: 82695-75-8.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 4-phenyl-1-(phenylsulfonyl)-1H-pyrazole(CAS DataBase Reference)
• NIST Chemistry Reference: 4-phenyl-1-(phenylsulfonyl)-1H-pyrazole(82695-75-8)
• EPA Substance Registry System: 4-phenyl-1-(phenylsulfonyl)-1H-pyrazole(82695-75-8)

Safety Data

• Hazardous Substances Data: 82695-75-8(Hazardous Substances Data)

Upstream product

• 122-78-1 phenylacetaldehyde 
• 15131-89-2 α-phenyl-β-dimethylaminoacrylaldehyde 
• 10199-68-5 4-phenyl-1H-pyrazole 
• 98-09-9 benzenesulfonyl chloride 

Downstream Products

• 10199-68-5 4-phenyl-1H-pyrazole 
• 10183-74-1 withasomnine 
• 82695-77-0 Toluene-4-sulfonic acid 3-(2-benzenesulfonyl-4-phenyl-2H-pyrazol-3-yl)-propyl ester 
• 82695-76-9 5-Allyl-1-benzenesulfonyl-4-phenyl-1H-pyrazole 

Relevant articles and documents

Visible-Light-Mediated N-Desulfonylation of N-Heterocycles Using a Heteroleptic Copper(I) Complex as a Photocatalyst

A photoredox protocol that uses a heteroleptic Cu (I) complex, [Cu(dq)(BINAP)]BF4, has been developed for the photodeprotection of benzenesulfonyl-protected N-heterocycles. A range of substrates was examined, including indazoles, indoles, pyrazoles, and benzimidazole, featuring both electron-rich and electron-deficient substituents, giving good yields of the N-heterocycle products with broad functional group tolerance. This transformation was also found to be amenable to flow reaction conditions.