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  2. 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.

  3. 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

  4. Petrenko-Kritschenko piperidone synthesis - Wikipedia

    en.wikipedia.org/wiki/Petrenko-Kritschenko...

    Acetoacetate can be used instead of diethyl-α-ketoglurate in the presence of indium salts. [4] The use of aniline has also been reported in the original Publication. [2] The product of this reaction shows transoid configuration of the phenyl groups at C-2 and C-6. Indium mediated variant

  5. 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–).

  6. 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 ...

  7. 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 .

  8. Butyrophenone - Wikipedia

    en.wikipedia.org/wiki/Butyrophenone

    Butyrophenone is an organic compound with the formula C 6 H 5 C(O)C 3 H 7.It is a colorless liquid. The butyrophenone structure—a ketone flanked by a phenyl ring and a butyl chain—forms the basis for many other chemicals containing various substituents.

  9. 4-Benzylpiperidine - Wikipedia

    en.wikipedia.org/wiki/4-Benzylpiperidine

    4-Benzylpiperidine is a drug and research chemical used in scientific studies. ... [4] Catalytic hydrogenation of the pyridine ring then completes the synthesis. [5]