Notiz zur Umlagerung von 5-Chloro-5-(dialkylamino)-pentadienalen

Authors

  • Daniel Berger
  • Markus Neuenschwander

DOI:

https://doi.org/10.2533/chimia.1995.75

Abstract

Similarly to 3-chloro-3-(dimethylamino)acrolein (2), 5-chloro-5-(dimethylamino)penta-2,4-dienal (6) easily rearranges in the presence of traces of acid to 2-(dimethylamino)pyrilium chloride (8), which is the postulated intermediate of the rearrangement of 6 to 5-chloropenta-2,4-dien-N,N-dimethylamide (10).

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Published

1995-03-29