. . "N" . "15310" . "An anomalous course of the condensation of 1,5-diaryl-3-formazyl glyoxylic acids with o-phenylenediamine. A simple synthesis of some benzimidazole-2-carboxamidarylhydrazones" . "RIV/61989592:15310/02:00001685!RIV/2003/MSM/153103/N" . "Lemr, Karel" . "IL - St\u00E1t Izrael" . "An anomalous course of the condensation of 1,5-diaryl-3-formazyl glyoxylic acids with o-phenylenediamine. A simple synthesis of some benzimidazole-2-carboxamidarylhydrazones"@en . . . . "3"^^ . . . "479" . "[379150AB3AFE]" . . "Z(MSM 153100008), Z(MSM 153100013)" . . "An anomalous course of the condensation of 1,5-diaryl-3-formazyl glyoxylic acids with o-phenylenediamine. A simple synthesis of some benzimidazole-2-carboxamidarylhydrazones"@en . "8" . "3"^^ . . "The condensation of 1,5-diaryl-3-formazylglyoxylic acids 1 with o-phenylenediamine did not afford 1,2-dihydro-3-(1,5-diaryl-3-formazyl)-chinoxalin-2-ones 2, but actually 1,5-diaryl-3-(2-benzimidazol-2-yl)-formazanes 7 with simultaneous elimination of formic acid. Formazans 7 were transformed by reductive splitting into benzimidazol-2-carboxamid arylhydrazones 10."@en . "0"^^ . "The condensation of 1,5-diaryl-3-formazylglyoxylic acids 1 with o-phenylenediamine did not afford 1,2-dihydro-3-(1,5-diaryl-3-formazyl)-chinoxalin-2-ones 2, but actually 1,5-diaryl-3-(2-benzimidazol-2-yl)-formazanes 7 with simultaneous elimination of formic acid. Formazans 7 were transformed by reductive splitting into benzimidazol-2-carboxamid arylhydrazones 10." . "0"^^ . . "Slouka, Jan" . . "anomalous condensation; 1,5-diaryl-3-formazyl glyoxylic acid;"@en . "Wiedermanov\u00E1, Iveta" . "1"^^ . "RIV/61989592:15310/02:00001685" . . "0793-0283" . . . . "Heterocyclic Communications" . . "637942" . . "An anomalous course of the condensation of 1,5-diaryl-3-formazyl glyoxylic acids with o-phenylenediamine. A simple synthesis of some benzimidazole-2-carboxamidarylhydrazones" .