caa a22 4500 469038020 CHVBK 20180323132801.0 cr unu---uuuuu 170328e19921201xx s 000 0 eng 10.1007/BF00808281 doi (NATIONALLICENCE)springer-10.1007/BF00808281 Synthesis and ring transformation of novel tetracyclic fused as-triazines [Elektronische Daten] [Zsuzsanna Riedl, György Hajós, Gert Kollenz, Heinz Sterk, András Messmer] Synthese und Ringtransformierung neuer tetracyclischer kondensierter as-Triazine Summary: Eight new tetracyclic fused as-triazines (4-6,8,11-13, and15) have been synthesized by conversion and subsequent ring transformation of 1,2-diaminoisoquinolinium (2) and -quinolinium salts (9) with 4-benzoyl-5-phenylfuran-2,3-dione (1). Selective alkylations of the new products revealed that these reactions are governed mainly by the electronic density of the lone pairs as well as by steric effects. Springer-Verlag, 1992 Ring transformation nationallicence as-Triazines, fused nationallicence Alkylation nationallicence Regioselectivity nationallicence Calculation, AM1 nationallicence Annelation effect nationallicence Riedl Zsuzsanna Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut Hajós György Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut Kollenz Gert Institute of Organic Chemistry, Karl-Franzens University Graz, A-8010, Graz, Austria aut Sterk Heinz Institute of Organic Chemistry, Karl-Franzens University Graz, A-8010, Graz, Austria aut Messmer András Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut Monatshefte für Chemie / Chemical Monthly Springer-Verlag 123/12(1992-12-01), 1181-1191 0026-9247 123:12<1181 1992 123 706 https://doi.org/10.1007/BF00808281 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00808281 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Riedl Zsuzsanna Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut NATIONALLICENCE 700 1- Hajós György Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut NATIONALLICENCE 700 1- Kollenz Gert Institute of Organic Chemistry, Karl-Franzens University Graz, A-8010, Graz, Austria aut NATIONALLICENCE 700 1- Sterk Heinz Institute of Organic Chemistry, Karl-Franzens University Graz, A-8010, Graz, Austria aut NATIONALLICENCE 700 1- Messmer András Central Research Institute for Chemistry, Hungarian Academy of Sciences, H-1525, Budapest, Hungary aut NATIONALLICENCE 773 0- Monatshefte für Chemie / Chemical Monthly Springer-Verlag 123/12(1992-12-01), 1181-1191 0026-9247 123:12<1181 1992 123 706 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer