254-60-4, Name is 1,8-Diazanaphthalene, belongs to naphthyridine compound, is a common compound. Application In Synthesis of 1,8-DiazanaphthaleneIn an article, once mentioned the new application about 254-60-4.
Metal- and solvent-free reaction of quinolines with two molecules of aryltrifluoroacetylacetylenes afforded 3-arylethynyl-3-trifluoromethyl-1,3-oxazinoquinolines in up to 92% yields. The formation of a zwitterionic intermediate in the first step triggered a multistep domino reaction. This one-pot synthesis opens an easy access to novel quinoline derivatives bearing trifluoromethyl, acetylene and ketone functions, thus providing a powerful tool for drug design.
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Reference£º
1,57-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N51 – PubChem