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Paper | Regular issue | Vol 78, No. 2, 2009, pp.389-395
Published online, 25th September, 2008
DOI: 10.3987/COM-08-11511
Chemistry of the Pseudobasic Amino Alcohols. Part 40. Synthesis of Three New Condensed Nitrogen Heterocyclic Systems

Dezso Korbonits,* Benjamin Podányi, Árpád Illár, Kálmán Simon, Miklós Hanusz, and István Hermecz

*Chinoin Ltd, Tó utca 1-5, H-1045 Budapest, Hungary


Replacement of the central oxygen atom of the heptacyclic condensed diisoquinoline 3 by reaction with hydrazine, hydroxylamine or thiourea in a simple method gave three new heterocyclic ring systems involving 1,2,4,5- tetrazine (7), 1,2,4,5-oxatriazine (8) and 1,2,4,6-tetrazepine (9) central rings.