Fig. 4: Scope of products from various enediketones.

Reaction yields are of purified isolated products. Enantiomeric ratios were determined by HPLC with chiral stationary phase. For 5g and 5h the stereochemistry was not determined. For 3j the use of both 20 mol % (30 h) and 40 mol % (18 h) of 4 is illustrated.