Synthesis and Stereochemistry of Optically Active Selenium and Tellurium Compounds
説明
The synthesis and stereochemistry of tricoordinated optically active selenium and tellurium compounds are described. Telluronium salts, telluronium imides, and seleninic acids were prepared and optically resolved by fractional recrystallization of diastereomeric mixtures or by chromatography using a chiral column of racemic mixtures. Diphenyl dichalcogenides also were optically resolved by chiral crystallization. Their absolute configurations were determined or estimated based on X-ray crystallographic analysis, specific rotations, and circular dichroism spectra. The kinetic studies and the mechanism for the racemization were also studied.
収録刊行物
-
- Phosphorus, Sulfur, and Silicon and the Related Elements
-
Phosphorus, Sulfur, and Silicon and the Related Elements 180 667-678, 2005-02-23
Informa UK Limited
