Abstract Synthetically useful (Z)-2-aryl-1-iodo-1-silylethenes were prepared in good to excellent yields via one-pot monoiododesilylation/isomerization of readily accessible 2-aryl- 1, 1-bis (silyl) ethenes using N-iodosuccinimide or bis (pyridine) iodonium tetrafluoroborate under mild conditions.