1-(2-Diphenyl)piperazine

1-(2-Diphenyl)piperazine, also known as RA-7, is a drug which acts as a potent and selective antagonist at the 5HT₇ serotonin receptor. It was discovered as an active metabolite of the synthetic 5-HT₇ agonists LP-12 and LP-211, and unexpectedly turned out to be a potent antagonist with selectivity approaching that of the parent molecules, despite its much simpler structure.[1]

1-(2-Diphenyl)piperazine

Identifiers
IUPAC name 1-(2-diphenyl)piperazine
CAS Number	180698-18-4^Y
PubChem CID	2737389
ChemSpider	2019031^Y
ChEMBL	ChEMBL494675^Y
Chemical and physical data
Formula	C16H18N2
Molar mass	238.334 g·mol^−1
3D model (JSmol)	Interactive image
SMILES C3CNCCN3c1ccccc1-c2ccccc2
InChI InChI=1S/C16H18N2/c1-2-6-14(7-3-1)15-8-4-5-9-16(15)18-12-10-17-11-13-18/h1-9,17H,10-13H2^Y Key:RKRVRTJVCWZOQS-UHFFFAOYSA-N^Y
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See also

• Benzylpiperazine
• Naphthylpiperazine
• Phenylpiperazine

References

1. Hedlund PB, Leopoldo M, Caccia S, Sarkisyan G, Fracasso C, Martelli G, Lacivita E, Berardi F, Perrone R (August 2010). "LP-211 is a brain penetrant selective agonist for the serotonin 5-HT(7) receptor". Neuroscience Letters. 481 (1): 12–6. doi:10.1016/j.neulet.2010.06.036. PMC 2910240. PMID 20600619.