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Synthesis 1992; 1992(8): 757-758
DOI: 10.1055/s-1992-26219
short paper
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A Practical Synthesis of Chloroacetylene via Phase-Transfer Catalysis

Tomasz Kuliński* , Andrzej Jończyk
  • *Department of Chemistry, Technical University (Politechnika), Koszykowa 75, 00-662 Warsaw, Poland
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Publication History

Publication Date:
17 September 2002 (online)

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Chloroacetylene (1) was synthesized as solution in hexane from 1,1-dichloroethene (2) in the presence of 50% aqueous sodium hydroxide and tetrabutylammonium hydrogen sulfate as a catalyst (PTC), in moderate yield. Reaction of 2-phenylpropiononitrile with 1 afforded the corresponding 3-butynenitrile 3 in good yield.