Buy 4-ANPP Precursor Online
Buy 4-ANPP Precursor Online. 4-ANPP, also known as 4-anilino-N-phenethylpiperidine (4-ANPP), 4-aminophenyl-1-phenethylpiperidine, or despropionyl fentanyl,[3] is a direct precursor to fentanyl and acetylfentanyl. It is commonly found as a contaminant in samples of drugs containing fentanyl, which may include samples represented by the supplier as heroin or other opioids.[4] It is not psychoactive and is present only as a result of improper chemical purification. Buy 4-ANPP Precursor Online
4-ANPP is useful in the synthesis of pharmaceuticals, primarily fentanyl and related analogs. Paul Janssen (founder of Janssen Pharmaceutica) first synthesized fentanyl in 1960 using a similar method, with Benzylfentanyl as an intermediate.[5] The following synthesis, developed by an individual under the pseudonym of Siegfried, involves the reductive amination of N–phenethyl-4-piperidinone (NPP) with aniline to make to 4-ANPP. This product is reacted with propionyl chloride or acetyl chloride to form either fentanyl or acetylfentanyl. Buy 4-ANPP Precursor Online
Synonyms
- 4-Aminophenyl-1-phenethylpiperidine
- 4-Anilino-N-phenethylpiperidine
- Despropionyl fentanyl
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CAS: 21409-26-7 – 4-Anilino-N-phenethylpiperidine (ANPP)
Formula:C19H24N2
InChI:InChI=1S/C19H24N2/c1-3-7-17(8-4-1)11-14-21-15-12-19(13-16-21)20-18-9-5-2-6-10-18/h1-10,19-20H,11-16H2
InChI key:InChIKey=ZCMDXDQUYIWEKB-UHFFFAOYSA-N
SMILES:C=1C=CC(=CC1)NC2CCN(CCC=3C=CC=CC3)CC2
- Synonyms:
- 1-(2-Phenylethyl)-4-phenylaminopiperidine
- 1-Phenethyl-N-phenylpiperidin-4-amine
- 4-Anilino-1-(2-phenethyl)piperidine
- 4-Anilino-1-(β-phenethyl)piperidine
- 4-Anilino-1-phenethylpiperidine
- 4-Piperidinamine, N-phenyl-1-(2-phenylethyl)-
- 4-anilino-N-fenetilpiperidina (ANPP)
- 4Anpp
- ANPP, N-phenyl-1-(2-phenylethyl)piperidin-4-amine
- Depropionylfentanyl
- N-Phenyl-1-(2-phenylethyl)-4-piperidinamine
- N-[1-(2-Phenylethyl)-4-piperidinyl]aniline
- Piperidine, 4-anilino-1-phenethyl-
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