A new method for pyrrole peri-annulation: synthesis of 1H-1,5,7-triazacyclopenta[c,d]phenalenes from 1H-perimidines

Tetrahedron Letters

Volumn 51, Issue 18, 2010, Pages 2406-2408

  Aksenov, Alexander V ^a   Lyakhovnenko, Alexander S ^a   Andrienko, Anna V ^a   Levina, Irina I ^b  

^a NORTH CAUCASUS FEDERAL UNIVERSITY   (Russian Federation)

^b EMANUEL INSTITUTE OF BIOCHEMICAL PHYSICS   (Russian Federation)

Author keywords

1H 1,5,7 Triazacyclopenta c,d phenalenes; peri Annulation; Perimidines; Polyphosphoric acid; Schmidt reaction

Indexed keywords

CARBOXYLIC ACID DERIVATIVE; PHENALENE DERIVATIVE; PYRROLE DERIVATIVE; TRIAZINE DERIVATIVE;

ACYLATION; ARTICLE; CHEMICAL ANALYSIS; CHEMICAL REACTION; CHEMICAL STRUCTURE; SYNTHESIS;

EID: 77950200172     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2010.02.129     Document Type: Article

References (15)

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11. 3 solution. The precipitate was removed by filtration and the filtrate was extracted with toluene (6 × 30 ml). The precipitate was extracted with toluene (100 ml) in a Soxhlet apparatus for 5 h. The toluene fractions were combined and the solvent was evaporated in vacuo. The residue was purified by crystallization from toluene or toluene with petroleum ether.
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13. 6): 12.38, 112.66, 112.94, 117.12, 120.54, 120.61, 120.65, 124.85, 128.05 (2C), 128.22 (2C), 129.36, 130.88, 136.20, 140.09, 147.88, 155.12, 159.64.
14. 5 was used; preparation according to:. Uhlig F. Angew. Chem. 66 (1954) 435
15. The triazine 4a-c may be added at the beginning of the reaction.