Facile rhenium(IV)-mediated coupling of acetonitrile and oximes
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Abstract
Addition of oximes RR′C
NOH [R/R′ = Me/Me, C4H8, C5H10, C9H18, C9H16 or Me/C(Me)NOH] to the acetonitrile ligands in cis-[ReCl4(MeCN)2] proceeded smoothly at room temperature within a few minutes to give cis-[ReCl4{NH
C(Me)ON
CRR′}2] in almost quantitative yield. All complexes were characterized by elemental analysis, IR spectroscopy and FAB mass spectrometry. Structure determination, performed for cis-[ReCl4{NH
C(Me)ON
C(C5H10)}2]·MeCN and cis-[ReCl4{NH
C(Me)ON
C(C9H18)}2], show that the cis geometry of the starting complex is conserved in the products.
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