Atom-sparing synthesis of tertiary diphosphine dichalcogenides from acetylenes and secondary phosphine chalcogenides |
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| Authors: | S F Malysheva N A Belogorlova V A Kuimov N I Ivanova P A Volkov I A Ushakov N K Gusarova B A Trofimov |
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| Institution: | Institute of Physical Chemistry, Martin Luther University, Muehlpforte 1, D-06108 Halle (Saale), Germany |
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| Abstract: | Secondary phosphine oxides and phosphine sulfides react with acetylene, methylacetylene, and phenylacetylene in the presence
of strong bases (KOH-DMSO, KOH-THF) by the mechanism of double nucleophilic α,β-addition to form tertiary diphosphine dioxides
and diphosphine disulfides in high yield (up to 97%). |
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