5,6-Dihydro-(1,2,4)triazolo(1,5-s)quinazolines. Message 3. Synthesis of 2-aryl-5-trichloromethyl-5,6-dihydro(1,2,4)triazolo(1,5-s)quinazolines and their reactivity towards N-nucleo... von S. V. Kholodnyak, Yu. Voskoboynik, S. I. Kovalenko, Yu. Sergeieva, S. I. Okovytyy, S. V. Shishkina

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Peculiarites of interaction between 3-(2-aminophenyl)-6-R-1,2,4-triazin-5(2H)-ones and cyclic anhydrides of non-symmetric dicarboxylic acids von Yu. Voskoboynik, Yu. Skorina, S. V. Shishkina, O. V. Shishkin, S. I. Kovalenko, V. V. Ivchuk

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5,6-Dihydro-|1,2,4|triazolo|1,5-s|quinazolines. Message 4. Spirocompounds with |1,2,4|triazolo|1,5-c|quinazolines moieties. The synthesis and spectral characteristics von S. V. Kholodnyak, K. P. Schabelnyk, Yu. Voskoboynik, O. M. Antypenko, S. I. Kovalenko, V. O. Palchykov, S. I. Okovyty, S. V. Shishkina

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Reactions of Cookson's diketone with potassium halides in the polyphosphoric acid medium von O. V. Gaidai, Ye. Yu. Zhyhadlo, I. A. Levandovskiy, O. G. Sidorenko, O. V. Shishkin, S. V. Shishkina, Yu. V. Rassukana

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