Tetrahedron Letters p. 2573 - 2576 (1990)
Update date:2022-08-05
Topics:
Nasielski, J.
Moucheron, C.
Verhoeven, C.
Nasilski-Hinkens, R.
2,3-Diphenyl-1,4,5,8,9,12-hexa-azatriphenylene 2 and 2,3,6,7-tetraphenyl-1,4,5,8,9,12-hexa-azatriphenylene 3 can be synthesized by the direct condensation of hexa-aminobenzene with glyoxal and benzil.It is, however, not possible to make specifically one of the compounds, which is always accompanied by the parent compound 1 and the fully substituted hexaphenyl-hexaazatriphenylene 4.It is nevertheless possible to optimize the yields of 2 and 3 by a careful choice of the experimental conditions.
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Doi:10.1002/anie.200803338
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(1990)Doi:10.3184/030823410X12810986062376
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(2011)
