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4-Methylpyridine is the organic compound with the formula CH 3 C 5 H 4 N. It is one of the three isomers of methylpyridine. This pungent liquid is a building block for the synthesis of other heterocyclic compounds. Its conjugate acid, the 4-methylpyridinium ion, has a pK a of 5.98, about 0.7 units above that of pyridine itself. [1]
Piperidine is an organic compound with the molecular formula (CH 2) 5 NH. This heterocyclic amine consists of a six-membered ring containing five methylene bridges (–CH 2 –) and one amine bridge (–NH–).
Pethidinic acid (meperidinic acid, pethidine intermediate C) is a 4-phenyl piperidine derivative that is both a metabolite of and a precursor to pethidine (meperidine). [2] [3] It is scheduled by UN Single Convention on Narcotic Drugs. It is a Schedule II Narcotic controlled substance in the United States and has an ACSCN of 9234.
It first entered clinical use in 1960s. [4] Marketing and indications ... [3874-54-2] (1) is attached to 4-Methylpiperidine (4-Pipecoline) [626-58-4] (2).
This page was last edited on 27 December 2022, at 20:07 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Chemical structure of 4-phenylpiperidine. Phenylpiperidines are chemical compounds with a phenyl moiety directly attached to piperidine . Of particular interest are a variety of derivatives of 4-phenylpiperidine , which have pharmacological effects including morphine -like activity [ 1 ] or other central nervous system effects.
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4-Piperidone is an organic compound with the molecular formula OC(CH 2) 4 NH. It can be viewed as a derivative of piperidine. 4-Piperidone is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs. Substituted and dehydro derivatives of 4-piperidinone are intermediates in alkaloid syntheses. [1]