Bis 2- 2-hydroxyphenyl -2-oxazoline oxorhenium V Trifluoromethanesulfonate, OTf

Cy symmetric around the metal, leaving the oxo ligand at one axial position 12 and a trans solvent molecule occupying the other axial position. 

The submitters acknowledge financial support provided by the National Science Loundation and the Arnold and Mabel Beckman Foundation. 

The checkers have noted that column chromatography on siUcagel (CH2Cl2 pentane, 10 1) of the crude product facilitated removal of triphenylphosphine and improved the overall yield to 35%. 

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