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  2. 4-Phenylpiperidine - Wikipedia

    en.wikipedia.org/wiki/4-Phenylpiperidine

    4-Phenylpiperidine is a chemical compound. It features a benzene ring bound to a piperidine ring. 4-Phenylpiperidine is the base structure for a variety of opioids , such as pethidine (meperidine), ketobemidone , alvimopan , loperamide , and diphenoxylate .

  3. Phenylpiperidines - Wikipedia

    en.wikipedia.org/wiki/Phenylpiperidines

    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.

  4. Pyridine - Wikipedia

    en.wikipedia.org/wiki/Pyridine

    Pyridine is a basic heterocyclic organic compound with the chemical formula C 5 H 5 N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom (=N−). It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish

  5. MPTP - Wikipedia

    en.wikipedia.org/wiki/MPTP

    MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) is an organic compound. It is classified as a tetrahydropyridine . It is of interest as a precursor to the monoaminergic neurotoxin MPP + , which causes permanent symptoms of Parkinson's disease by destroying dopaminergic neurons in the substantia nigra of the brain .

  6. Piperidine - Wikipedia

    en.wikipedia.org/wiki/Piperidine

    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–).

  7. Picolinic acid - Wikipedia

    en.wikipedia.org/wiki/Picolinic_acid

    Picolinic acid is an organic compound with the formula NC 5 H 4 CO 2 H. It is a derivative of pyridine with a carboxylic acid (COOH) substituent at the 2-position. It is an isomer of nicotinic acid and isonicotinic acid, which have the carboxyl side chain at the 3- and 4-positions, respectively. It is a white solid although impure samples can ...

  8. 4,4'-Bipyridine - Wikipedia

    en.wikipedia.org/wiki/4,4'-Bipyridine

    4,4′-Bipyridine (abbreviated to 4,4′-bipy or 4,4′-bpy) is an organic compound with the formula (C 5 H 4 N) 2. It is one of several isomers of bipyridine. It is a colorless solid that is soluble in organic solvents. is mainly used as a precursor to N,N′-dimethyl-4,4′-bipyridinium [(C 5 H 4 NCH 3) 2] 2+, known as paraquat.

  9. Pyridine (data page) - Wikipedia

    en.wikipedia.org/wiki/Pyridine_(data_page)

    The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet for this chemical from a reliable source such as eChemPortal, and follow its directions.