... Roger L. Snowden and Manfred WUst Firmeniah SA , Research laboratories, 1211 Geneva 8, Switzerland Abstraat: An efficient cyclohexannulation sequence is described whose key step involves a DieLs-A1ier reaction between an (E)-dienamine and methyl acrylate. ... Saheme 3; d) all new compounds have been fully characterised spectroscopically, eg 23: IR(film): 1700, 1564, 1426, 1240, 740 cm-l; UV(EtOH): Amax. ...