${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CHO}+{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{COCH}}_3\stackrel{{\mathrm{OH}}^{-},293\mathrm{K}}{\to }\mathrm{X}$; IUPAC name of cross condensation product X

1,3–diphenyl prop–2–en–1–one

1,3–diphenyl propanone–1

1,3–diphenyl prop–1–en–3–one

Benzalacetophenone