Iodocyclization of (Z)-1-(butyltelluro)-1,4-diorganylbut-1-en-3-ynes. Synthesis and reactions of 3-iodotellurophenes

Article abstract of DOI:10.1021/jo961461z

The iodocyclization of (Z)-tellurobutenynes 5a-g by reaction with I₂/petroleum ether was studied in detail. 3-Iodotellurophenes 7a-f were formed, and optimum conditions to obtain these compounds in high yields were established. The reaction inv