Oxidative Aromatization of 1,3,5-Trisubstituted Pyrazolines and Hantzsch 1,4-Dihydropyridines by Pd/C in Acetic Acid

Oxidative Aromatization of 1,3,5-Trisubstituted Pyrazolines and Hantzsch 1,4-Dihydropyridines by Pd/C in Acetic Acid

1,3,5-Trisubstituted pyrazolines and Hantzsch 1,4-dihydropyridines were converted to the corresponding pyrazoles and pyridines effectively by the treatment of a catalytic amount of Pd/C in acetic acid.

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Veröffentlicht in:Organic letters 2002-10, Vol.4 (22), p.3955-3957
Hauptverfasser: Nakamichi, Natsuki, Kawashita, Yuka, Hayashi, Masahiko
Format: Artikel
Sprache:eng
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Zusammenfassung:1,3,5-Trisubstituted pyrazolines and Hantzsch 1,4-dihydropyridines were converted to the corresponding pyrazoles and pyridines effectively by the treatment of a catalytic amount of Pd/C in acetic acid.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol0268135