Fig. 2: Synthetic route of the benzo[b]phosphole thieno[3,2‑b]phosphole-containing alkynylgold(I) complex 1.

TBAF: tetra-n-butylammonium fluoride, NaOH: sodium hydroxide, DCM: dichloromethane, rt: room temperature.
TBAF: tetra-n-butylammonium fluoride, NaOH: sodium hydroxide, DCM: dichloromethane, rt: room temperature.