Jw. Sung et al., STEREOSELECTIVE SYNTHESIS OF KETENE TELLUROACETALS VIA HYDROZIRCONATION OF ACETYLENIC TELLURIDES, Journal of the Chemical Society. Perkin transactions. I, (5), 1997, pp. 591-592
Hydrozirconation of acetylenic tellurides 1 gives organozirconium(IV)
complexes 2, which are trapped with tellurenyl iodides to afford keten
e telluroacetals 3.