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  2. 4-Piperidone - Wikipedia

    en.wikipedia.org/wiki/4-Piperidone

    Substituted and dehydro derivatives of 4-piperidinone are intermediates in alkaloid syntheses. [1] The N-protonated derivative is typically isolated as the hydrate (HO) 2 C(CH 2) 4 NH + 2. [2] It is a List I chemical in the United States as it is a precursor to fentanyl. Fentanyl synthesis using the Gupta method starting from 4-piperidone

  3. 1-Boc-4-AP - Wikipedia

    en.wikipedia.org/wiki/1-Boc-4-AP

    1-Boc-4-AP (tert-butyl 4-(phenylamino)piperidine-1-carboxylate) is a compound used as an intermediate in the manufacture of fentanyl, as well as various related derivatives such as butyrylfentanyl, furanylfentanyl, benzylfentanyl and homofentanyl, among others.

  4. Piperidine - Wikipedia

    en.wikipedia.org/wiki/Piperidine

    The same is true for certain derivatives: N-formylpiperidine is a polar aprotic solvent with better hydrocarbon solubility than other amide solvents, and 2,2,6,6-tetramethylpiperidine is a highly sterically hindered base, useful because of its low nucleophilicity and high solubility in organic solvents.

  5. N-Phenethyl-4-piperidinone - Wikipedia

    en.wikipedia.org/wiki/N-Phenethyl-4-piperidinone

    N-Phenethyl-4-piperidinone (NPP) is a derivative of 4-piperidinone with the molecular formula C 13 H 17 NO. It is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs such as fentanyl .

  6. Di-tert-butyl dicarbonate - Wikipedia

    en.wikipedia.org/wiki/Di-tert-butyl_dicarbonate

    The synthesis of 6-acetyl-1,2,3,4-tetrahydropyridine, an important bread aroma compound, starting from 2-piperidone was accomplished using t-boc anhydride. [14] See Maillard reaction ). The first step in this reaction sequence is the formation of the carbamate from the reaction of the amide nitrogen with boc anhydride in acetonitrile using DMAP ...

  7. 4-Pyridone - Wikipedia

    en.wikipedia.org/wiki/4-Pyridone

    CAS Number. 108-96-3 ... 4-Pyridone is an organic compound with the formula C 5 H 4 NH(O). It is a colorless solid. ... 4-Piperidone; Dehydroacetic acid; References

  8. tert-Butyloxycarbonyl protecting group - Wikipedia

    en.wikipedia.org/wiki/Tert-butyloxycarbonyl...

    The tert-butyloxycarbonyl protecting group or tert-butoxycarbonyl protecting group [1] (BOC group) is an acid-labile protecting group used in organic synthesis. The BOC group can be added to amines under aqueous conditions using di- tert -butyl dicarbonate in the presence of a base such as sodium hydroxide :

  9. DEA list of chemicals - Wikipedia

    en.wikipedia.org/wiki/DEA_list_of_chemicals

    1-(4-bromophenyl)propan-1-one substituted cathinones and substituted amphetamines: 1-(4-chlorophenyl)propan-1-one substituted cathinones and substituted amphetamines: 1-(4-methylphenyl)propan-1-one substituted cathinones and substituted amphetamines: Carbonyldiimidazole: LSD: 1,1-Dichloro-1-fluoroethane: solvent N-benzyl-4-piperidone fentanyl ...