Аннотация:
New aza-14-crown-4 compounds incorporating γ-piperidone unit have been prepared through the three-component reaction between dialdehyde podand, a ketone with two active methylene groups, and ammonium acetate or 2-phenylethylamine as nitrogen sources. Based on X-ray study, configuration of the products has been determined as rac-1S,21R,22S,24R.