193-85-1Relevant articles and documents
Dicyclopentaheptalene (Azupyrene) Chemistry. Jutz Synthesis Byproducts. Synthesis and Thermal Isomerization of 1-Methylazupyrene
Anderson, Arthur G.,Daugs, Edward D.,Kao, L. Glenn,Wang, Jean-Fang
, p. 2961 - 2965 (1986)
The Jutz synthesis of azupyrene (4) has been found to form chloro-, methyl-, and dimethylazupyrene byproducts in the final step.Perchlorate and methoxide ions were shown to cause the chlorination and methylation, respectively.Temperature control at 200-205 deg C reduced the chlorination and the use of ethoxide virtually eliminated the alkylation. 1-Methylazupyrene (7) was synthesized.The termal isomerization of 7 to methylpyrenes was carried out and the products were found to be those predicted by certain of the mechanisms proposed for the azulene to naphthalene isomerization.
Anderson jun. et al.
, p. 2993 (1968)
trans-15,16-Dimethyl-1,4:8,11-ethandiylidenannulen
Huber, Walter,Lex, Johann,Meul, Thomas,Muellen, Klaus
, p. 401 - 402 (2007/10/02)
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