Pyrrolo[3,2,1-ij]quinolin-4-one and pyrrolo[3,2,1-ij]quinolin-6-one

McNab, Hamish and Nelson, David and Rozgowska, Emma (2009) Pyrrolo[3,2,1-ij]quinolin-4-one and pyrrolo[3,2,1-ij]quinolin-6-one. Synthesis, 13. pp. 2171-2174. ISSN 0039-7881 (https://doi.org/10.1055/s-0029-1216858)

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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.