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  1. Alkyne via solid-liquid phase-transfer catalyzed dehydrohalogenation: acetylene dicarboxaldehyde tetramethyl acetal and acetylene dicarboxaldehyde dimethyl acetalHalogenation Org. Synth. Vol. 82, p. 179 · Akué-Gédu and Rigo
  2. Alkynes via phase transfer–catalyzed dehydrohalogenation: propiolaldehyde diethyl acetalHalogenation Org. Synth. Coll. Vol. 6, p. 954; Vol. 59, p. 10 · Coq and Gorgues