56290-55-2Relevant academic research and scientific papers
Substituted phenyl-1,3-diketones as protectants against skin damage
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, (2008/06/13)
The subject invention relates to pharmaceutical compositions comprising a safe and effective amount of a compound having the structure: STR1 wherein each R is alkyl or hydrogen, at least two being alkyl; R' is hydrogen, alkyl or aryl; R" is alkyl or halo; and each X is independently oxygen or sulfur; and a pharmaceutically-acceptable carrier. The subject invention also relates to methods for preventing damage to skin by topically applying a safe and effective amount of such compounds to the skin.
U.V. Irradiation of 3-Substituted 2-Arylquinoxalines; Photocyclization to Indoloquinoxalines or Related Heterocyclic Systems
Atfah, Adnan,Abu-Shuheil, Muhammad Y.,Hill, John,Kotecha, Hema
, p. 247 - 261 (2007/10/02)
Upon irradiation in methanol in the presence of p-toluenesulphonic acid, a series of 2-aroyl-3-methylquinoxalines 8 (aroyl group = o-methyl-, p-methyl-, m-methoxy-, p-methoxy-, p-bromo-, and 2,5-dimethyl-benzoyl) underwent cyclisation to the corresponding
