59564-59-9, Name is 3,4-Dihydroquinoxalin-2(1H)-one, belongs to quinoxaline compound, is a common compound. Safety of 3,4-Dihydroquinoxalin-2(1H)-oneIn an article, once mentioned the new application about 59564-59-9.
Heterocyclic derivatives
The invention concerns a heterocyclic derivative of the formula I wherein Q is an optionally substituted 6-membered monocyclic or 10-membered bicyclic heterocyclic moiety containing one or two nitrogen atoms;, X¹ is oxy, thio, sulphinyl, sulphonyl or imino;, Ar is phenylene which may optionally bear one or two substituents or, Ar is an optionally substituted 6-membered heterocyclene moiety containing up to three nitrogen atoms;, R¹ is (1-6C)alkyl, (3-6C)alkenyl or (3-6C)alkynyl; and, R² and R³ together form a group of the formula -A²-X²-A³- which, together with the carbon atom to which A² and A³ are attached, defines a ring having 4 to 7 ring atoms, wherein A² and A³, which may be the same or different, each is (1-4C)alkylene and X² is oxy, thio, sulphinyl, sulphonyl or imino;, or a pharmaceutically-acceptable salt thereof. The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N142 | ChemSpider