Issue 7, 1997
From the journal:

Journal of the Chemical Society, Perkin Transactions 1

New phenanthrene systems: spiro-fused tricyclic phenanthro-1,2,4-triazolo-[4,3-d]-1,2,4-triazines and -[3,4-d]-1,2,5-oxadiazines: ring expansions of N-methylphenanthroazoliums

Richard N. Butler,   John M. McMahon,   Peter D. McDonald,   Carmel S. Pyne,   Simon Schambony,   Patrick McArdle  and  Desmond Cunningham  

Abstract

New routes to substituted phenanthro[9,10-e]-1,2,4-triazines and phenanthro[9,10-c]-1,2,5-oxadiazines are described. Cycloadditions of these with C-phenyl-N-p-nitrophenylnitrile imide [IUPAC name: 2-benzylidene-1-(p-nitrophenyl)hydrazin-2-ium-1-ide] gave new substituted spiro-tricyclic phenanthro-1,2,4-triazolo[4,3-d][1,2,4]triazines and phenanthro-1,2,4-triazolo[3,4-d][1,2,5]oxadiazines. An X-ray crystal structure is reported on 7,10-diphenyl-5-(4′-nitrophenyl)-9,10-dihydro-5H-phenant hro[9,10-e][1,2,4]triazolo[4,3-d][1,2,4]triazine 5a.

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Article information

DOI
https://doi.org/10.1039/A605770E
Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1997, 1047-1050

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New phenanthrene systems: spiro-fused tricyclic phenanthro-1,2,4-triazolo-[4,3-d]-1,2,4-triazines and -[3,4-d]-1,2,5-oxadiazines: ring expansions of N-methylphenanthroazoliums

R. N. Butler, J. M. McMahon, P. D. McDonald, C. S. Pyne, S. Schambony, P. McArdle and D. Cunningham, J. Chem. Soc., Perkin Trans. 1, 1997, 1047 DOI: 10.1039/A605770E

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