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Organo-tellurium compoundsS 0140 Practical Synthesis of Chiral β-Telluro Amines by Ring-Opening Reaction of

Aziridines. — In the presence of lithium alkyl- or aryltellurolates, in situ prepared from the corresponding organolithium compounds and elemental tellurium, the ring-opening of the aziridines occurs at the less hindered carbon atom. Sulfur and selenium analogues are prepared by use of elemental sulfur or selenium. — (VARGAS*, F.; COMASSETO, J. V.; J. Organomet. Chem. 694 (2009) 1, 122-126; Inst. Quim., Univ. Sao Paulo, 05508 Sao Paulo, Brazil; Eng.) — Klein

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