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Synthesis 2009(13): 2171-2174
DOI: 10.1055/s-0029-1216858
DOI: 10.1055/s-0029-1216858
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Pyrrolo[3,2,1-ij]quinolin-4-one and Pyrrolo[3,2,1-ij]quinolin-6-one
Weitere Informationen
Received
2 February 2009
Publikationsdatum:
02. Juni 2009 (online)
Publikationsverlauf
Publikationsdatum:
02. Juni 2009 (online)
Abstract
The parent pyrrolo[3,2,1-ij]quinolin-4-one and pyrrolo[3,2,1-ij]quinolin-6-one ring systems were made by pyrolysis of appropriate acrylates. In the first case, the cyclisation was effected by flash vacuum pyrolysis (FVP) at 950 ˚C, in the second case a cyclisation-dehydrogenation was carried out in one step by FVP over a tungsten trioxide catalyst at 525 ˚C.
Key words
gas-phase reactions - cyclisations - heterocycles - pyrolysis - ketenes
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References
McNab, H.; O’Neill, W. J.; Rozgowska, E. J. unpublished work.