What is "benzylideneacetone"

n. (context organic chemistry English) The organic compound whose chemical formula is C₆H₅CH=CHC(O)CH₃.

Benzylideneacetone is the organic compound described by the formula CHCH=CHC(O)CH. Although both cis- and trans-isomers are possible for the α,β-unsaturated ketone, only the trans isomer is observed. Its original preparation demonstrated the scope of condensation reactions to construct new, complex organic compounds.