4-Benzylpiperidine

4-Benzylpiperidine

4-Benzylpiperidine

Chemical compound

4-Benzylpiperidine is a drug and research chemical used in scientific studies. It acts as a monoamine releasing agent with 20- to 48-fold selectivity for releasing dopamine versus serotonin. It is most efficacious as a releaser of norepinephrine, with an EC50 of 109 nM (DA), 41.4 nM (NE) and 5246 nM (5-HT).[1] It has a fast onset of action and a short duration.[1] It also functions as a monoamine oxidase inhibitor (MAOI) with preference for MAO-A.[2]

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Synthesis

4-Cyanopyridine can be reacted with toluene to give 4-benzylpyridine.[3] Catalytic hydrogenation of the pyridine ring then completes the synthesis.[4]

Applications

  • RMI-10608 [35623-04-2] Patent (Ex 2/3):[5] (Ex 3)[6] This analogue of haloperidol was discovered to have utility in treating both psychosis as well as preventing brain damage by virtue of its NMDA antagonist pharmacology.

See also

References

  1. [1]
    Negus SS, Baumann MH, Rothman RB, Mello NK, Blough BE (April 2009). "Selective suppression of cocaine- versus food-maintained responding by monoamine releasers in rhesus monkeys: benzylpiperazine, (+)phenmetrazine, and 4-benzylpiperidine". The Journal of Pharmacology and Experimental Therapeutics. 329 (1): 272–281. doi:10.1124/jpet.108.143701. PMC 2670586. PMID 19151247.
  2. [2]
    Arai Y, Hamamichi N, Kinemuchi H (October 1986). "Time-dependent inhibition of rat brain monoamine oxidase by an analogue of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 4-(4-chlorophenyl)-1,2,3,6-tetrahydropyridine". Neuroscience Letters. 70 (2): 255–260. doi:10.1016/0304-3940(86)90473-8. PMID 3490636. S2CID 30243106.
  3. [3]
    Hoshikawa T, Inoue M (2013). "Photoinduced direct 4-pyridination of C(sp3)–H Bonds". Chemical Science. 4 (8): 3118. doi:10.1039/c3sc51080h. ISSN 2041-6520.
  4. [4]
    Siegel S (2001). "Rhodium on alumina.". e-EROS Encyclopedia of Reagents for Organic Synthesis. New York: John Wiley & Sons. doi:10.1002/047084289X.rr003. ISBN 978-0-471-93623-7. OCLC 1031885332.
  5. [5]
    Rafael Foguet, et al. U.S. patent 5,395,841 (1995 to Ferrer Internacional SA).
  6. [6]
    Sui Xiong Cai, et al. WO1996002250 (Cocensys Inc, Acea Pharmaceuticals Inc).
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