10605-18-2Relevant academic research and scientific papers
Dicyanopyrazine-derived push-pull chromophores for highly efficient photoredox catalysis
Zhao, Yu,Zhang, Chenhao,Chin, Kek Foo,Pytela, Oldrich,Wei, Guo,Liu, Hongjun,Bures, Filip,Jiang, Zhiyong
, p. 30062 - 30067 (2014/08/05)
Here, we report dicyanopyrazine (DPZ)-derived push-pull chromophores, easily prepared and tunable organic compounds, as new kinds of photoredox catalysts. In particular, the DPZ derivative H, containing 2-methoxythienyl as electron-donating moiety, exhibits a broad absorption of visible light with an absorption edge up to 500 nm and excellent redox properties, and has been demonstrated as a desirably active and efficient photoredox catalyst in four challenging kinds of photoredox reactions. The amount of catalyst in most reactions is less than 0.1 mol% and even 0.01 mol%, representing the lowest catalyst loading in the current photoredox organocatalysis. the Partner Organisations 2014.
Photodegradation of Amino- and Hydroxyphenazone in Acetone
Reisch, Johannes,Abdel-Khalek, Magdi
, p. 1000 - 1006 (2007/10/02)
The photochemical degradation of aminophenazone in acetone leads to 2--4-oxohepta-2,5-dienoic anilide (9), N,N-dimethyl-N'-phenyl oxamide (10) and N,N-dimethyl-N'-phenylurea (11).In addition to the last two products, oxanilide and N-methyl-N'-phenyl oxamide are obtained, when the irradiation is carried out in acetonitrile. 6-Methyl-2--4-oxohepta-2,5-dienoic anilide, oxanilide and N-methyl-N'-phenyl oxamide are formed as a result of hydroxyphenazone photolysis in acetone.The degradation mechanism is discussed.
