4-(1-Pyrrolidinyl)piperidine

4-(1-Pyrrolidinyl)piperidine (4-pypp) has been reported to form Hofmann type complexes [M(4-pypp)₂Ni(CN)₄] (M=Ni or Co) and their FT-IR and Raman spectra have been studied. FT-IR, Raman spectra and the vibrational spectra of 4-pypp have been recorded between 4000 and 400cm^-1.

4-(1-Pyrrolidinyl)piperidine was employed for the synthesis of the following analogs:

• 4-pyrrolidin-1´-yl-1-[2-(2″-nitro-phenyl)-2-oxo-ethyl]-piperidinium bromide
• 4-pyrrolidin-1´-yl-1-[2-(3″-nitro-phenyl)-2-oxo-ethyl]-piperidinium bromide
• 4-pyrrolidin-1´-yl-1-[2-(2″,4″-dimethoxy-phenyl)-2-oxo-ethyl]-piperidinium bromide
• 4-pyrrolidin-1´-yl-1-[2-(3″,4″-dihydroxy-phenyl)-2-oxo-ethyl]-piperidinium bromide

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