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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]
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]
Piperidine is widely used to convert ketones to enamines. [23] Enamines derived from piperidine are substrates in the Stork enamine alkylation reaction. [24] Upon treatment with calcium hypochlorite, piperidine converts to N-chloropiperidine, a chloramine with the formula C 5 H 10 NCl.
Piperidine-4-carboxylic acid. Identifiers CAS Number. 498-94-2 ... (and as such is also known as "4-piperidinecarboxylic acid"). References
3,4-MDP-2-P methyl glycidic acid (PMK glycidic acid) and its salts, optical and geometric isomers, and salts of isomers MDMA and other "ecstasy"-type substances Alpha-phenylacetoacetamide (APAA) and its optical isomers amphetamine, methamphetamine: Methyl alpha-phenylacetoacetate (MAPA; methyl 3-oxo-2-phenylbutanoate) and its optical isomers
N,O-Dimethyl-4β-(2-naphthyl)piperidine-3β-carboxylate (DMNPC) is a piperidine based stimulant drug which is synthesised from arecoline. It is similar to nocaine in chemical structure, and has two and a half times more activity than cocaine as a dopamine reuptake inhibitor .
4-Methyl-PCP, 4'-Methyl-PCP and 4''-Methyl-PCP (left to right) However, since the widespread sale of these compounds as grey-market designer drugs, nearly all such compounds that have come to prominence either have a bare cyclohexyl ring or a 2-ketocyclohexyl ring, while the piperidine is replaced by a variety of alkyl or cycloalkyl amines and ...
It is a potent dopamine reuptake inhibitor, with several times the potency of methylphenidate and a short duration of action, [1] and is a structural isomer of another potent dopamine reuptake inhibitor, N,O-Dimethyl-4-(2-naphthyl)piperidine-3-carboxylate. It has been sold as a designer drug since around 2015. [2] HDMP-28 and CFT overlay