2,2,6,6-四甲基哌啶胺 、
异丁醛 以21.0 g (0.10 mol) of 2,2,6,6-tetramethyl-4-(isobutylideneamino)-piperidine (b.p. 42°-43°/0.05 mm Hg), obtained by condensation of an equimolecular mixture of 2,2,6,6-tetramethyl-4-aminopiperidine with isobutyraldehyde at 0°的产率得到2,2,6,6-Tetramethyl-4-(isobutylideneamino)-piperidine