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Stereoselective synthesis of Boc-protected l-seleno- and tellurolanthionine, l-seleno- and tellurocystine and derivatives |
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| Authors: | Alex Schneider Márcio W Paixão Antonio L Braga |
| Institution: | a Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120 Halle (Saale), Germany b Centro Universitário Franciscano—UNIFRA, 97010-032, Santa Maria, RS, Brazil c Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil |
| Abstract: | Optically active seleno- and telluro amino acids can be synthesized from serine via its β-lactone with selenides and tellurides under overall retention of the serine stereochemistry. Boc-protected l-selenolanthionine, l-tellurolanthionine, l-selenocystine, l-tellurocystine and l-tellurocysteine derivatives can be obtained in good yields. |
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