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Rearangements of Vinylogous Acyl Chlorides, XXV. 1,5-Pentadiene-Oxygen Transfer of (Z)-3,4,5,5-Tetrachloro-2-phenyl- and (Z)-2,3,5,5-Tetrachloro-4-phenyl-2,4-pentadienal
Roedig, Alfred,Geist, Peter,Goepfert, Herbert
, p. 1768 - 1774 (2007/10/02)
The pentadienals 2a, b are prepared from the acyl chlorides 1a, b.The phenylhydrazones 6 and the oximes 7 of both aldehydes undergo cyclization reactions to the pyridine derivatives 10 and 11, respectively, which is further converted into 12. - During the
