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Oxidation of Substituted Phosphanylboranes with Chalcogens

Marquardt, Christian ; Hegen, Oliver ; Kahoun, Tobias ; Scheer, Manfred


The elemental chalcogens sulfur, selenium, tellurium and bis(trimethylsilyl) peroxide as an oxygen source are applied for the oxidation of the phosphanylboranes Ph2P-BH2 center dot NMe3 (1) and tBuHP-BH2 center dot NMe3 (2). The corresponding monooxidation products Ph2P(X)-BH2 center dot NMe3 (X= O-Te, 3a-d) and tBuHP(X)-BH2 center dot NMe3 (X= O-Te, 4a-d) were obtained in good yields and ...


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