Vv. Zhdankin et al., A convenient synthesis of alkynyliodonium salts from alkynylboronates and hypervalent iodine reagents, SYNLETT, (5), 2000, pp. 719-721
1-Alkynyl-1,2-benziodoxol-3(1H)-ones (2) can be conveniently prepared by th
e reaction of 1-acetoxy-1,2-benziodoxol-3(1H)-one (7) and 1-alkynyl(diisopr
opyl)boronates (3) under mild conditions.