Metaphit

Metaphit
Names
	IUPAC name 1-[1-(3-isothiocyanatophenyl)cyclohexyl]piperidine
Identifiers
CAS Number	96316-00-6 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL41541 ;
ChemSpider	102730 ;
PubChem CID	114745;
CompTox Dashboard (EPA)	DTXSID00914572 ;
	InChI InChI=1S/C18H24N2S/c21-15-19-17-9-7-8-16(14-17)18(10-3-1-4-11-18)20-12-5-2-6-13-20/h7-9,14H,1-6,10-13H2 Key: FGSGBQAQSPSRJK-UHFFFAOYSA-N ; InChI=1/C18H24N2S/c21-15-19-17-9-7-8-16(14-17)18(10-3-1-4-11-18)20-12-5-2-6-13-20/h7-9,14H,1-6,10-13H2 Key: FGSGBQAQSPSRJK-UHFFFAOYAE;
	SMILES S=C=N\c1cccc(c1)C3(N2CCCCC2)CCCCC3;
Properties
Chemical formula	C18H24N2S
Molar mass	300.462
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Metaphit (1-[1-(3-Isothiocyanato)phenyl]cyclohexylpiperidine) is a research chemical that acts as an acylator of NMDARAn, sigma and DAT binding sites in the CNS. It is the m-isothiocyanate derivative of phencyclidine (PCP) and binds irreversibly (forming a covalent bond) to the PCP binding site on the NMDA receptor complex.[1] However, later studies suggest the functionality of metaphit is mediated by sites not involved in PCP-induced passive avoidance deficit, and not related to the NMDA receptor complex.[2] Metaphit was also shown to prevent d-amphetamine induced hyperactivity, while significantly depleting dopamine content in the nucleus accumbens.[3] Metaphit was the first acylating ligand used to study the cocaine receptor.[4] It is a structural isomer of the similar research compound fourphit, as it and metaphit both are isothiocyanate substituted derivatives of an analogous scaffold shared with PCP.[5]

Metaphit as a methanesulfonate salt

References

Rafferty, Michael F.; Mattson, Mariena; Jacobson, Arthur E.; Rice, Kenner C. (1985). "A specific acylating agent for the [³H]phencyclidine receptors in rat brain". FEBS Letters. 181 (2): 318–22. doi:10.1016/0014-5793(85)80284-2. PMID 2982662.
Danysz, Wojciech (1991). "Metaphit fails to antagonize PCP-induced passive avoidance deficit". Pharmacology Biochemistry and Behavior. 38 (1): 231–3. doi:10.1016/0091-3057(91)90618-C. PMID 1826788.
French, Edward D.; Jacobson, Arthur E.; Rice, Kenner C. (1987). "Metaphit, a proposed phencyclidine (PCP) antagonist, prevents PCP-induced locomotor behavior through mechanisms unrelated to specific blockade of PCP receptors". European Journal of Pharmacology. 140 (3): 267–74. doi:10.1016/0014-2999(87)90283-4. PMID 2820762.
Carroll, F. Ivy; Lewin, Anita H.; Boja, John W.; Kuharf, Michael J. (1992). "Cocaine receptor: Biochemical characterization and structure-activity relationships of cocaine analogs at the dopamine transporter". Journal of Medicinal Chemistry. 35 (6): 969–81. doi:10.1021/jm00084a001. PMID 1552510.
Schweri, MM; Thurkauf, A; Mattson, MV; Rice, KC. "Fourphit: a selective probe for the methylphenidate binding site on the dopamine transporter". J Pharmacol Exp Ther. 261: 936–42. PMID 1602399.

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[1] Rafferty, Michael F.; Mattson, Mariena; Jacobson, Arthur E.; Rice, Kenner C. (1985). "A specific acylating agent for the [³H]phencyclidine receptors in rat brain". FEBS Letters. 181 (2): 318–22. doi:10.1016/0014-5793(85)80284-2. PMID 2982662.

[2] Danysz, Wojciech (1991). "Metaphit fails to antagonize PCP-induced passive avoidance deficit". Pharmacology Biochemistry and Behavior. 38 (1): 231–3. doi:10.1016/0091-3057(91)90618-C. PMID 1826788.

[3] French, Edward D.; Jacobson, Arthur E.; Rice, Kenner C. (1987). "Metaphit, a proposed phencyclidine (PCP) antagonist, prevents PCP-induced locomotor behavior through mechanisms unrelated to specific blockade of PCP receptors". European Journal of Pharmacology. 140 (3): 267–74. doi:10.1016/0014-2999(87)90283-4. PMID 2820762.

[4] Carroll, F. Ivy; Lewin, Anita H.; Boja, John W.; Kuharf, Michael J. (1992). "Cocaine receptor: Biochemical characterization and structure-activity relationships of cocaine analogs at the dopamine transporter". Journal of Medicinal Chemistry. 35 (6): 969–81. doi:10.1021/jm00084a001. PMID 1552510.

[5] Schweri, MM; Thurkauf, A; Mattson, MV; Rice, KC. "Fourphit: a selective probe for the methylphenidate binding site on the dopamine transporter". J Pharmacol Exp Ther. 261: 936–42. PMID 1602399.