Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Hans-Dieter Brauer"'
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1288-1295
Measurements of the infrared phosphorescence of singlet molecular oxygen (1O2) at 1270 nm have been used to demonstrate the formation of 1O2 by the Radziszewski reaction between acetonitrile and hydrogen peroxide. The kinetics of the Radziszewski rea
Autor:
Andreas Lange, Hans-Dieter Brauer
Publikováno v:
Peroxide Chemistry: Mechanistic and Preparative Aspects of Oxygen Transfer
Autor:
Hans-Dieter Brauer, Carsten Bender
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :535-543
The kinetics of the activation of hydrogen peroxide by p-nitrophenyl chloroformate (NPCF) in tetrahydrofuran (THF) have been investigated by measuring the phosphorescence of the released singlet molecular oxygen (1O2) at 1270 nm. The results are cons
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1343-1350
The kinetics of the ketone-catalysed decomposition of peroxymonosulfuric acid (Caro’s acid) have been investigated by measuring the phosphorescence of the released singlet molecular oxygen (1O2) at 1270 nm. As catalysts fluoroacetone, 1,1,1-trifluo
Autor:
Hans-Dieter Brauer, Carsten Bender
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :2579-2587
Measurements of the infrared phosphorescence of singlet molecular oxygen (1O2) at 1270 nm have been employed to demonstrate the formation of 1O2 in the system N,N′-carbonyldi-1,2,4-triazole (CDT)–hydrogen peroxide and in the system 1H-1,2,4-triaz
Autor:
Hans-Dieter Brauer, Markus Hild
Publikováno v:
Chemical Physics Letters. 283:21-28
Second-order rate constants k D , of the quenching of singlet oxygen in its a 1 Δ g state by toluene molecules in bulk solvent and four different solvent environments have been determined with the pressure dependence up to 1200 bar, using time-resol
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 101:961-967
Rate constants of fluorescence quenching by molecular oxygen, k q s , of 4 acridizinium ions and of 7 protonated heterocyclic compounds as well as protonated 6-aminochrysene have been determined in acetonitrile at room temperature. They adopt values
Publikováno v:
Journal of Organometallic Chemistry. 520:201-209
The photolysis of CH3ReO(O2)2·H2O in methylene chloride yields, like the thermolysis, molecular oxygen in the triplet spin state. The quantum yield QPh of photolysis shows a remarkable dependence the wavelength, increasing from 0.12 at 365 nm to 1.0
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 100:1217-1225
Rate constants of fluorescence quenching by molecular oxygen, k q s , of a series of meso-substituted anthracene derivatives have been determined in toluene and acetonitrile at room temperature. They adopt values between 0.4 and 3,4 x 10 10 M -1 s -1
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 98:997-1003
The rate constant of fluorescence quenching by molecular oxygen k was measured for a series of singlet oxygen (1O2)-sensitizers in toluene and adopts values between 3.5·1010 and 0.4·1010M−1 s−1. log(k) shows a correlation with the free energy o