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Tetrahedron

Phosphonates containing sulfur and selenium. Synthesis of vinylphosphonates bearing α-sulfenyl, α-selenenyl, α-sulfinyl and α-seleninyl moieties and studies on …

WH Midura, JA Krysiak

文献索引:Midura, Wanda H.; Krysiak, Jerzy A. Tetrahedron, 2004 , vol. 60, # 52 p. 12217 - 12229

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被引用次数: 15

摘要

The selenenylation of racemic and optically active α-phosphoryl sulfoxides is a key step leading efficiently to α-phosphorylvinyl sulfoxides or α-phosphorylvinyl selenides depending on the reaction conditions. Oxidation of α-phosphorylvinyl selenides and subsequent thermolysis of selenoxides afford alkynylphosphonates. Studies of the stereochemical course of nucleophilic addition to α-phosphoryl sulfoxides show high facial ...