Ronald G. Wien

Photolysis of 3‐(3,4‐dichlorophenyl)‐1, 1 ‐Dimethylurea (Diuron) in dilute aqueous solution

Diuron samples at 40mg/L concentration were photolyzed with ultraviolet lamps and with natural sunlight to determine if data from ultraviolet lamp photolysis could be used to predict results from sunlight photolysis. Seven photoproducts were identified from the photolysis experiments. The identified photoproducts and the photoproduct yields were essentially the same for the two light sources.

Photolysis of 3‐(3,4‐dichlorophenyl)‐1‐methoxy‐1 ‐Methylurea (Linuron) in dilute aqueous solution

Linuron samples at 75mg/L concentration were photolyzed with ultraviolet lamps or with natural sunlight. Ten photoproducts were identified and yields were determined for the more significant photoproducts resulting from either sunlight or ultraviolet lamp photolysis.

A Regiospecific Photoreaction for Synthesis of 3-Phenylpyridines

Abstract The regiospecific photocoupling of 3-(4-chloro-phenyl)-1,1-rdimethylurea with pyridine to afford 3-(4-dimethyl-ureidophenyl)pyridine was used to develop a synthetic scheme for the preparation of 3-phenylpyridine.