Synthesis of iodoalkynes

Recent Literature

Using triethylamine as catalyst in Hunsdiecker reactions with N-halosuccinimides as Br⁺ or I⁺ source, cinnamic acids, and propiolic acids are converted to the corresponding α-halostyrenes and 1-halo-1-alkynes in good isolated yields within 1-5 min.
J. Prakash, S. Roy, J. Org. Chem., 2002, 67, 7861-7864.