Chemistry:5-Methoxytryptamine

5-Methoxytryptamine
Identifiers
	IUPAC name 2-(5-Methoxy-1H-indol-3-yl)ethanamine;
CAS Number	608-07-1 ;
PubChem CID	1833;
IUPHAR/BPS	107;
ChemSpider	1767 ;
UNII	3VMW6141KC;
KEGG	C05659 ;
ChEBI	CHEBI:2089 ;
ChEMBL	ChEMBL8165 ;
Chemical and physical data
Formula	C11H14N2O
Molar mass	190.246 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O(c1cc2c(cc1)[nH]cc2CCN)C;
	InChI InChI=1S/C11H14N2O/c1-14-9-2-3-11-10(6-9)8(4-5-12)7-13-11/h2-3,6-7,13H,4-5,12H2,1H3 ; Key:JTEJPPKMYBDEMY-UHFFFAOYSA-N ;
	(verify)

Short description: Chemical compound

5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels.^[1] It is biosynthesized via the deacetylation of melatonin in the pineal gland.^[1]

5-MT acts as a full agonist at the 5-HT₁, 5-HT₂, 5-HT₄, 5-HT₆, and 5-HT₇ receptors.^[2]^[3]^[4]^[5]^[6]^[7]^[8] It has no affinity for the 5-HT₃ receptor and its affinity for the 5-HT_1E receptor is very weak in comparison to the other 5-HT₁ receptors.^[5]^[9] Its affinity for the 5-HT_5A receptor is unknown.

Indorenate

Measured affinity for some receptors (incomplete list):

5-HT_1B receptors (K_i = 35 nM) ^[10]
5-HT_1D receptors (K_i = 7.3 nM)^[11]
5-HT_1E receptors (K_i = 3151 nM)^[12]
5-HT_1F receptors (K_i = 1166 nM)^[13]
5-HT_2A receptors (K_i = 295 nM)^[14]
5-HT_2B receptors (K_i = 16.4 nM)^[15]
5-HT_2C receptors (K_i = 52.48 nM) ^[16]
5-HT₄ receptors (K_i = 501.18 nM)^[17]
5-HT₆ receptors (K_i = 69.18 nM)^[18]
5-HT₇ receptors (K_i = 5.01 nM)^[19]

References

↑ ^1.0 ^1.1 "Day-night rhythm of 5-methoxytryptamine biosynthesis in the pineal gland of the golden hamster (Mesocricetus auratus).". J. Endocrinol. 118 (3): 389–397. 1988. doi:10.1677/joe.0.1180389. PMID 2460575.
↑ "Serotonin-1A receptor activation in hippocampal CA1 neurons by 8-hydroxy-2-(di-n-propylamino)tetralin, 5-methoxytryptamine and 5-hydroxytryptamine.". Neurosci. Lett. 86 (1): 72–76. 1988. doi:10.1016/0304-3940(88)90185-1. PMID 2966313.
↑ "Hyperglycemia induced by the 5-HT receptor agonist, 5-methoxytryptamine, in rats: involvement of the peripheral 5-HT2A receptor.". Eur J Pharmacol 323 (2–3): 235–240. 1997. doi:10.1016/S0014-2999(97)00029-0. PMID 9128844.
↑ "Characterization of the contractile response induced by 5-methoxytryptamine in rat stomach fundus strips.". Eur J Pharmacol 318 (2–3): 403–409. 1996. doi:10.1016/S0014-2999(96)00777-7. PMID 9016931.
↑ ^5.0 ^5.1 "5-Methoxytryptamine and 2-methyl-5-hydroxytryptamine-induced desensitization as a discriminative tool for the 5-HT3 and putative 5-HT4 receptors in guinea pig ileum.". Naunyn Schmiedebergs Arch Pharmacol 342 (1): 9–16. 1990. doi:10.1007/bf00178965. PMID 2402303.
↑ "Functional and radioligand binding characterization of rat 5-HT6 receptors stably expressed in HEK293 cells.". Neuropharmacology 36 (4–5): 713–720. 1997. doi:10.1016/S0028-3908(97)00019-1. PMID 9225298.
↑ "[3H-Mesulergine labels 5-HT7 sites in rat brain and guinea-pig ileum but not rat jejunum."]. Br J Pharmacol 126 (1): 179–188. 1999. doi:10.1038/sj.bjp.0702293. PMID 10051134.
↑ "Serotonin Receptor Subtypes and Ligands". American College of Neurophyscopharmacology. 2000-01-01. http://www.acnp.org/g4/GN401000039/Ch039.html.
↑ Roth, Brian (2006). The serotonin receptors. Humana Press. p. 133. ISBN 978-1-58829-568-2.
↑ S. Nigra / Domenech T, et al., 1997
↑ Cortex / PEROUTKA ET AL., 1989
↑ Cloned / ZGOMBICK JM, ET AL., 1992
↑ Cloned / Adham N, et al., 1992
↑ Cortex / HOYER ET AL., 1987
↑ Cortex / WAINSCOTT DB, ET AL., 1996
↑ Cloned / BONHAUS DW, ET AL., 1997
↑ Caudate / ANSANAY H, ET AL.,1996
↑ Cloned / Hirst WD, et.al.,2003
↑ Cloned / BOESS FG, ET AL., 1994

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Original source: https://en.wikipedia.org/wiki/5-Methoxytryptamine. Read more

[pmid2460575-1] 1.0 ^1.1 "Day-night rhythm of 5-methoxytryptamine biosynthesis in the pineal gland of the golden hamster (Mesocricetus auratus).". J. Endocrinol. 118 (3): 389–397. 1988. doi:10.1677/joe.0.1180389. PMID 2460575.

[pmid2966313-2] "Serotonin-1A receptor activation in hippocampal CA1 neurons by 8-hydroxy-2-(di-n-propylamino)tetralin, 5-methoxytryptamine and 5-hydroxytryptamine.". Neurosci. Lett. 86 (1): 72–76. 1988. doi:10.1016/0304-3940(88)90185-1. PMID 2966313.

[pmid9128844-3] "Hyperglycemia induced by the 5-HT receptor agonist, 5-methoxytryptamine, in rats: involvement of the peripheral 5-HT2A receptor.". Eur J Pharmacol 323 (2–3): 235–240. 1997. doi:10.1016/S0014-2999(97)00029-0. PMID 9128844.

[pmid9016931-4] "Characterization of the contractile response induced by 5-methoxytryptamine in rat stomach fundus strips.". Eur J Pharmacol 318 (2–3): 403–409. 1996. doi:10.1016/S0014-2999(96)00777-7. PMID 9016931.

[pmid2402303-5] 5.0 ^5.1 "5-Methoxytryptamine and 2-methyl-5-hydroxytryptamine-induced desensitization as a discriminative tool for the 5-HT3 and putative 5-HT4 receptors in guinea pig ileum.". Naunyn Schmiedebergs Arch Pharmacol 342 (1): 9–16. 1990. doi:10.1007/bf00178965. PMID 2402303.

[pmid9225298-6] "Functional and radioligand binding characterization of rat 5-HT6 receptors stably expressed in HEK293 cells.". Neuropharmacology 36 (4–5): 713–720. 1997. doi:10.1016/S0028-3908(97)00019-1. PMID 9225298.

[pmid10051134-7] "[3H-Mesulergine labels 5-HT7 sites in rat brain and guinea-pig ileum but not rat jejunum."]. Br J Pharmacol 126 (1): 179–188. 1999. doi:10.1038/sj.bjp.0702293. PMID 10051134.

[urlSerotonin_Receptor_Subtypes_and_Ligands-8] "Serotonin Receptor Subtypes and Ligands". American College of Neurophyscopharmacology. 2000-01-01. http://www.acnp.org/g4/GN401000039/Ch039.html.

[bookThe_Serotonin_Receptors-9] Roth, Brian (2006). The serotonin receptors. Humana Press. p. 133. ISBN 978-1-58829-568-2.

[Domenech-10] S. Nigra / Domenech T, et al., 1997

[PEROUTKA-11] Cortex / PEROUTKA ET AL., 1989

[ZGOMBICK-12] Cloned / ZGOMBICK JM, ET AL., 1992

[Adham-13] Cloned / Adham N, et al., 1992

[HOYER-14] Cortex / HOYER ET AL., 1987

[WAINSCOTT-15] Cortex / WAINSCOTT DB, ET AL., 1996

[BONHAUS-16] Cloned / BONHAUS DW, ET AL., 1997

[ANSANAY-17] Caudate / ANSANAY H, ET AL.,1996

[Hirst-18] Cloned / Hirst WD, et.al.,2003

[BOESS-19] Cloned / BOESS FG, ET AL., 1994

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Identifiers

IUPAC name 2-(5-Methoxy-1H-indol-3-yl)ethanamine
CAS Number	608-07-1^Y
PubChem CID	1833
IUPHAR/BPS	107
ChemSpider	1767^Y
UNII	3VMW6141KC
KEGG	C05659^Y
ChEBI	CHEBI:2089^Y
ChEMBL	ChEMBL8165^Y
Chemical and physical data
Formula	C₁₁H₁₄N₂O
Molar mass	190.246 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES O(c1cc2c(cc1)[nH]cc2CCN)C
InChI InChI=1S/C11H14N2O/c1-14-9-2-3-11-10(6-9)8(4-5-12)7-13-11/h2-3,6-7,13H,4-5,12H2,1H3^Y Key:JTEJPPKMYBDEMY-UHFFFAOYSA-N^Y
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Anonymous

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