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Synthesis 1986; 1986(9): 772-774
DOI: 10.1055/s-1986-31774
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An Improved Synthesis of 1H-1,2,4-Triazoles from C- Triphenylphosphinimino-hydrazones

Luca Bruché* , Luisa Garanti, Gaetano Zecchi
  • *Dipartimento di Chimica Organica e Industriale dell'Università Centro del CNR per la Sintesi e Stereochimica di Speciali Sistemi Organici, I-20133 Milano, Italy
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Publication Date:
20 August 2002 (online)

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1-Phenyl-1H-1,2,4-triazoles 5a-h are prepared in good yields by reaction of the triphenylphosphine imide 1 with acyl chlorides 2a-h and subsequent base treatment of the intermediate phosphonium salts 3a-h.