L. Engman et V. Gupta, NOVEL GROUP-TRANSFER CYCLIZATION REACTIONS OF ORGANOTELLURIUM COMPOUNDS, Journal of the Chemical Society, Chemical Communications, (24), 1995, pp. 2515-2516
When irradiated in the presence of hexabutylditin, readily available O
-allylated and O-prop-2-ynylated 2-hydroxyalkyl aryl tellurides underg
o group transfer cyclization to afford 2,4-disubstituted tetrahydrofur
an derivatives.