Stereoselective synthesis of racemic and optically active 5,6-dihydroxy-5,6-dihydro-1,10-phenanthroline cyclic ethylene diethers (+)-1  and (?)-1  has been accomplished. New compounds were fully characterized by NMR, CD analysis and X-ray crystallography. They are rare examples of conformationally restricted phenanthroline-based ligands with controlled axial chirality, which permits their use for asymmetric catalysis.

Stereoselective synthesis of conformationally constrained 5,6-dihydro-1,10-phenanthrolines with axial chirality

248th National Meeting (2014)

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