enamide
enamide
An α,β-unsaturated carboxylic acid amide of general formula R<small><sup>1</small></sup>R<small><sup>2</small></sup>C=CR<small><sup>3</small></sup>‒C(=O)NR<small><sup>4</small></sup>R<small><sup>5</small></sup> in which the amide C=O function is conjugated to a C=C double bond at the α,β position.