tert-Butyl 4-[(2E)-3-phenylprop-2-enylidene]piperidine-1-carboxylate 、 3-Chlorobenzylphosphonate 、
tert-butyl 4-(2-oxoethylidene)piperidine-1-carboxylate 在
crude product 、 Petroleum Ether—EtOAc 作用下,
以yielded 30.3% of the title compound as a dense yellow oil的产率得到1-(t-butoxycarbonyl)-4-[(E)-3-(3-chlorophenyl)-prop-2-enylidene]-piperidine