20460-07-5

Basic information

• Product Name: 9-phenylxanthylium
• Synonyms: 9-phenylxanthylium
• CAS NO: 20460-07-5
• Molecular Weight: 257.312
• Mol File: 20460-07-5.mol
• Article Data: 9

Chemical Properties

• CAS DataBase Reference: 9-phenylxanthylium(CAS DataBase Reference)
• NIST Chemistry Reference: 9-phenylxanthylium(20460-07-5)
• EPA Substance Registry System: 9-phenylxanthylium(20460-07-5)

Safety Data

• Hazardous Substances Data: 20460-07-5(Hazardous Substances Data)

Upstream product

• 117998-27-3 Thiophosphoric acid O-[(2R,3S,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-2-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-3-yl] ester O'-(2,4-dichloro-phenyl) ester S-methyl ester 
• 596-38-3 9-phenyl-9H-xanthen-9-ol 
• 3246-80-8 9-phenyl-9H-xanthene 
• 127913-94-4 9-(4-Nitro-phenoxy)-9-phenyl-9H-xanthene 
• 127913-95-5 9-(4-Fluoro-phenoxy)-9-phenyl-9H-xanthene 
• 154140-65-5 9,9'-diphenyl-[9,9']bixanthenyl 

Downstream Products

• 3246-80-8 9-phenyl-9H-xanthene 
• 1451495-51-4 C₂₇H₂₁ClNO⁽¹⁺⁾ 
• 1451495-48-9 C₂₇H₂₁ClNO⁽¹⁺⁾ 
• 1451495-45-6 C₂₇H₂₁BrNO⁽¹⁺⁾ 
• 1451495-42-3 C₂₈H₂₄NO⁽¹⁺⁾ 
• 1451495-39-8 C₂₈H₂₄NO₂⁽¹⁺⁾ 
• 1451495-36-5 C₂₇H₂₁ClNO⁽¹⁺⁾ 
• 1451495-33-2 C₂₇H₂₁ClNO⁽¹⁺⁾ 
• 1451495-30-9 C₂₇H₂₁BrNO⁽¹⁺⁾ 
• 1451495-27-4 C₂₇H₂₂NO⁽¹⁺⁾ 
• 1451495-24-1 C₂₈H₂₄NO⁽¹⁺⁾ 
• 1451495-21-8 C₂₈H₂₄NO₂⁽¹⁺⁾ 

Relevant articles and documents

Adiabatic Photodehydroxylation of 9-Phenylxanthen-9-ol. Observation of Carbocation Fluorescence in Neutral Aqueous Solution

The photobehavior of the title compound (1) has been studied in aqueous solution and organic solvents.Evidence is presented that shows that 1 undergoes adiabatic photodehydroxylation in aqueous solution - it being the first example of a new class of adiab

Kinetic, thermodynamic and mechanistic studies on the reduction of carbenium ions by NAD(P)H analogues

Hydride transfer mechanisms of the reductions of xanthylium ion by NAD(P)H analogues (i.e. BNAH, HEH and AcrH2) were investigated. Both the kinetic observations and an analysis of thermodynamic driving forces for each mechanistic step in all the possible mechanisms indicate that the reductions are initiated by a rate-determining electron transfer, followed by a fast hydrogen atom abstraction. The mechanism of the reductions of 9-phenylxanthylium and triphenylmethylium ions by BNAH were also investigated and are similarly discussed.

Characterization of the triplet excited state of the phenylxanthenium carbocation

The triplet excited state of the 9-phenylxanthenium cation has been observed directly by both luminescence and transient absorption techniques.The triplet-triplet absorption shows λmax /= 300 nm and decays over a period of several microseconds in the absence of easily oxidized donors.The triplet cation reacts with 9-phenylxanthydrol and biphenyl via electron transfer to give the corresponding radical and radical cation and also reacts rapidly with both oxygen and 1,3-cyclohexadiene. Key words: carbocations, triplets, electron transfer, laser flash photolysis.