Photochemistry of chlorinated diphenyl ethers
The photoreactions of a series of chlorinated diphenyl ethers at wavelengths around 300 nm were investigated as to their photodecomposition rates and products formed. No significant differences in reaction rates were found between chlorodiphenyl ethers with up to four chlorine atoms per molecule which reacted slower than the pentachlorodiphenyl ethers investigated. The major products resulted from photodechlorination reactions but compounds with chlorine substituents in the 2 or 6 positions also gave rise to chlorinated dibenzofurans in about 10% yields. The yields of dibenzofurans were increased in most cases when photolysis was carried out in the presence of acetone. This reaction may also occur under natural conditions in the environment by influence from natural products which have photochemical characteristics similar to that of acetone.
- Research Organization:
- Univ., Amsterdam
- OSTI ID:
- 7208174
- Journal Information:
- J. Agric. Food Chem.; (United States), Journal Name: J. Agric. Food Chem.; (United States) Vol. 25:6; ISSN JAFCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
400500 -- Photochemistry
560111* -- Radiation Effects on Biochemicals-- In Vitro-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CHLORINATED ALICYCLIC HYDROCARBONS
DECOMPOSITION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ETHERS
HALOGENATED ALICYCLIC HYDROCARBONS
IRRADIATION
KINETICS
MIXTURES
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHENYL ETHER
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
RADIATIONS
REACTION KINETICS
SOLUTIONS
ULTRAVIOLET RADIATION
YIELDS