[摘要]:Synthetically useful (Z)-2-aryl-1-iodo-1-silylethenes were prepd. 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.