74769-98-5Relevant academic research and scientific papers
Zur Addition von Nucleophilen an C(2) heterocyclischer 2-methylsubstituierter Quartaersalze
Schelz, Dieter
, p. 1341 - 1344 (2007/10/02)
1-(4-Chlorophenyl)-2-methyl-3-phenylquinoxalinium perchlorate (5) obtained by two different routes, on treating with nucleophiles HX or X(1-) yielded 1,3-diaryl-2-methyl-2-X-1,2-dihydroquinoxalines 10.Alkylation of 10e yielded 4-(4-chlorophenyl)-1,3-dimet
3,4-Dihydro-3-oxopyrido[2,3-b]-pyrazines, compositions and use thereof
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, (2008/06/13)
There are described compounds of formula I, STR1 in which R1 is phenyl substituted by halogen, alkoxy, alkyl, carboxy-alkyl, --NR4 R5, carboxy or alkoxy carbonyl, R3 is hydrogen, alkyl, mono- or di-carboxy alkyl
