organic compounds
The molecule of 2-benzyl-1,3-diphenylpropane-1,3-dione, C22H18O2, being a diketo tautomer, shows different stereochemistry from that of the closed-ring cis-ketoenol tautomer of the parent 1,3-diphenylpropane-1,3-dione. The molecular packing involves C—HO and π–π stacking interactions.