Conessine

Conessine
Names
	Preferred IUPAC name (3S,3aS,5aS,5bR,9S,11aR,11bS,13aR)-N,N,2,3,11a-Pentamethyl-2,3,3a,4,5,5a,5b,6,8,9,10,11,11a,11b,12,13-hexadecahydro-1H-naphtho[2′,1′:4,5]indeno[1,7a-c]pyrrol-9-amine
	Other names Neriine; Roquessine; Wrightine; Conessinum; (3β)-N,N-Dimethyl-con-5-enin-3-amine
Identifiers
CAS Number	546-06-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:27965 ;
ChEMBL	ChEMBL191703 ;
ChemSpider	389885 ;
ECHA InfoCard	100.008.089
MeSH	Conessine
PubChem CID	441082;
UNII	EZ38J9BBDF ;
CompTox Dashboard (EPA)	DTXSID6046000 ;
	InChI InChI=1S/C24H40N2/c1-16-20-8-9-22-19-7-6-17-14-18(25(3)4)10-12-23(17,2)21(19)11-13-24(20,22)15-26(16)5/h6,16,18-22H,7-15H2,1-5H3/t16-,18-,19+,20+,21-,22-,23-,24-/m0/s1 Key: GPLGAQQQNWMVMM-MYAJQUOBSA-N ; InChI=1/C24H40N2/c1-16-20-8-9-22-19-7-6-17-14-18(25(3)4)10-12-23(17,2)21(19)11-13-24(20,22)15-26(16)5/h6,16,18-22H,7-15H2,1-5H3/t16-,18-,19+,20+,21-,22-,23-,24-/m0/s1 Key: GPLGAQQQNWMVMM-MYAJQUOBBK;
	SMILES C[C@H]1[C@H]2CC[C@@H]3[C@@]2(CC[C@H]4[C@H]3CC=C5[C@@]4(CC[C@@H](C5)N(C)C)C)CN1C;
Properties
Chemical formula	C24H40N2
Molar mass	356.598 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Conessine is a steroidal alkaloid found in a number of plant species from the family Apocynaceae, including Holarrhena floribunda,^[1] Holarrhena antidysenterica^[2] and Funtumia elastica.^[3] It acts as a histamine antagonist, selective for the H₃ subtype (with an affinity of pK_i = 8.27; K_i = ~5 nM).^[4] It was also found to have long CNS clearance times, high blood–brain barrier penetration and high affinity for the adrenergic receptors.^[5]

References

^ Duez, P; Chamart, S; Lejoly, J; Hanocq, M; Zeba, B; Sawadogo, M; Guissou, P; Molle, L (1987). "Changes in conessine in stem bark of Holarrhena floribunda in Burkina Faso". Annales pharmaceutiques françaises. 45 (4): 307–13. PMID 3445993.
^ Kumar, N; Singh, B; Bhandari, P; Gupta, A. P.; Kaul, V. K. (2007). "Steroidal alkaloids from Holarrhena antidysenterica (L.) WALL". Chemical & Pharmaceutical Bulletin. 55 (6): 912–4. doi:10.1248/cpb.55.912. PMID 17541193.
^ Zirihi, G. N.; Grellier, P; Guédé-Guina, F; Bodo, B; Mambu, L (2005). "Isolation, characterization and antiplasmodial activity of steroidal alkaloids from Funtumia elastica (Preuss) Stapf". Bioorganic & Medicinal Chemistry Letters. 15 (10): 2637–40. doi:10.1016/j.bmcl.2005.03.021. PMID 15863333.
^ Santora, V. J.; Covel, J. A.; Hayashi, R; Hofilena, B. J.; Ibarra, J. B.; Pulley, M. D.; Weinhouse, M. I.; Sengupta, D; Duffield, J. J.; Semple, G; Webb, R. R.; Sage, C; Ren, A; Pereira, G; Knudsen, J; Edwards, J. E.; Suarez, M; Frazer, J; Thomsen, W; Hauser, E; Whelan, K; Grottick, A. J. (2008). "A new family of H3 receptor antagonists based on the natural product Conessine". Bioorganic & Medicinal Chemistry Letters. 18 (4): 1490–4. doi:10.1016/j.bmcl.2007.12.059. PMID 18194865.
^ Zhao, Chen; Sun, Minghua; Bennani, Youssef L.; Gopalakrishnan, Sujatha M.; Witte, David G.; Miller, Thomas R.; Krueger, Kathleen M.; Browman, Kaitlin E.; Thiffault, Christine; Wetter, Jill; Marsh, Kennan C.; Hancock, Arthur A.; Esbenshade, Timothy A.; Cowart, Marlon D. (2008). "The Alkaloid Conessine and Analogues as Potent Histamine H3Receptor Antagonists". Journal of Medicinal Chemistry. 51 (17): 5423–30. doi:10.1021/jm8003625. PMID 18683917.

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[1] Duez, P; Chamart, S; Lejoly, J; Hanocq, M; Zeba, B; Sawadogo, M; Guissou, P; Molle, L (1987). "Changes in conessine in stem bark of Holarrhena floribunda in Burkina Faso". Annales pharmaceutiques françaises. 45 (4): 307–13. PMID 3445993.

[2] Kumar, N; Singh, B; Bhandari, P; Gupta, A. P.; Kaul, V. K. (2007). "Steroidal alkaloids from Holarrhena antidysenterica (L.) WALL". Chemical & Pharmaceutical Bulletin. 55 (6): 912–4. doi:10.1248/cpb.55.912. PMID 17541193.

[3] Zirihi, G. N.; Grellier, P; Guédé-Guina, F; Bodo, B; Mambu, L (2005). "Isolation, characterization and antiplasmodial activity of steroidal alkaloids from Funtumia elastica (Preuss) Stapf". Bioorganic & Medicinal Chemistry Letters. 15 (10): 2637–40. doi:10.1016/j.bmcl.2005.03.021. PMID 15863333.

[4] Santora, V. J.; Covel, J. A.; Hayashi, R; Hofilena, B. J.; Ibarra, J. B.; Pulley, M. D.; Weinhouse, M. I.; Sengupta, D; Duffield, J. J.; Semple, G; Webb, R. R.; Sage, C; Ren, A; Pereira, G; Knudsen, J; Edwards, J. E.; Suarez, M; Frazer, J; Thomsen, W; Hauser, E; Whelan, K; Grottick, A. J. (2008). "A new family of H3 receptor antagonists based on the natural product Conessine". Bioorganic & Medicinal Chemistry Letters. 18 (4): 1490–4. doi:10.1016/j.bmcl.2007.12.059. PMID 18194865.

[5] Zhao, Chen; Sun, Minghua; Bennani, Youssef L.; Gopalakrishnan, Sujatha M.; Witte, David G.; Miller, Thomas R.; Krueger, Kathleen M.; Browman, Kaitlin E.; Thiffault, Christine; Wetter, Jill; Marsh, Kennan C.; Hancock, Arthur A.; Esbenshade, Timothy A.; Cowart, Marlon D. (2008). "The Alkaloid Conessine and Analogues as Potent Histamine H3Receptor Antagonists". Journal of Medicinal Chemistry. 51 (17): 5423–30. doi:10.1021/jm8003625. PMID 18683917.

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