“Low-coordinate” 1,2-oxaphosphetanes – a new opportunity in coordination and main group chemistry†‡,10.1039/C8CC02963F

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“Low-coordinate” 1,2-oxaphosphetanes – a new opportunity in coordination and main group chemistry†‡

A. W. Kyri,F. Gleim,A. García Alcaraz,G. Schnakenburg,A. Espinosa Ferao,R. Streubel

Chemical Communications Pub Date : 05/03/2018 00:00:00 , DOI:10.1039/C8CC02963F

Abstract

While 1,2σ⁵λ⁵-oxaphosphetanes are well known intermediates from the Wittig-reaction, no 1,2σ³λ³-oxaphosphetanes have been described, so far. Herein, we present the first synthesis of 1,2σ³λ³-oxaphosphetanes derived from their κP–Mo(CO)₅ complexes and first investigations towards metal coordination and P-oxidation. Bonding, ring strain energy and potential retro-[2+2] cycloaddition reactions of the 1,2-oxaphosphetane ring were studied by DFT methods.