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Short description: Chemical compound

Taspine
Names

IUPAC name 1-[2-(Dimethylamino)ethyl]-3,8-dimethoxy[1]benzopyrano[5,4,3-cde][1]benzopyran-5,10-dione
Other names Thaspine
Identifiers
CAS Number	602-07-3^Y
3D model (JSmol)	Interactive image
ChemSpider	186530
PubChem CID	215159
UNII	V53XN9L07O^Y
InChI InChI=1S/C20H19NO6/c1-21(2)8-7-10-9-13(25-4)18-16-14(10)20(23)27-17-12(24-3)6-5-11(15(16)17)19(22)26-18/h5-6,9H,7-8H2,1-4H3 Key: MTAWKURMWOXCEO-UHFFFAOYSA-N
SMILES CN(C)CCC1=CC(=C2C3=C1C(=O)OC4=C(C=CC(=C34)C(=O)O2)OC)OC
Properties
Chemical formula	C₂₀H₁₉NO₆
Molar mass	369.4 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tracking categories (test):

SizeSet

Taspine is an alkaloid which acts as a potent acetylcholinesterase inhibitor and cicatrizant. It is found in various plants including Magnolia x soulangeana^[1] and Croton lechleri.^[2]

The first total synthesis was reported by T. Ross Kelly and Roger L. Xie in 1998.^[3]

References

↑ Rollinger, JM; Schuster, D; Baier, E; Ellmerer, EP; Langer, T; Stuppner, H (2006). "Taspine: Bioactivity-guided isolation and molecular ligand-target insight of a potent acetylcholinesterase inhibitor from Magnolia x soulangiana". Journal of Natural Products 69 (9): 1341–1346. doi:10.1021/np060268p. PMID 16989531.
↑ Vaisberg, A.; Milla, M.; Planas, M.; Cordova, J.; De Agusti, E.; Ferreyra, R.; Mustiga, M.; Carlin, L. et al. (2007). "Taspine is the Cicatrizant Principle in Sangre de Grado Extracted from Croton lechleri". Planta Medica 55 (2): 140–143. doi:10.1055/s-2006-961907. PMID 2748730.
↑ Kelly, T. Ross; Xie, Roger L. (October 1998). "Total Synthesis of Taspine". The Journal of Organic Chemistry 63 (22): 8045–8048. doi:10.1021/jo981099j.

Acetylcholine metabolism and transport modulators

Enzyme
(modulators)

ChAT	Inhibitors: 1-(-Benzoylethyl)pyridinium 2-(α-Naphthoyl)ethyltrimethylammonium 3-Chloro-4-stillbazole 4-(1-Naphthylvinyl)pyridine Acetylseco hemicholinium-3 Acryloylcholine AF64A B115 BETA CM-54,903 N,N-Dimethylaminoethylacrylate N,N-Dimethylaminoethylchloroacetate
AChE	Inhibitors: Reversible: Carbamates: Aldicarb Aminocarb Bendiocarb Bufencarb Carbaryl Carbendazim Carbetamide Carbofuran Carbosulfan Chlorbufam Chloropropham Dimetilan Ethienocarb Ethiofencarb Fenobucarb Formetanate Formparanate Methiocarb Methomyl Metolcarb Miotine Oxamyl Phenmedipham Pinmicarb Pirimicarb Propamocarb Propham Propoxur Thiofanox; Stigmines: Distigmine Eptastigmine Ganstigmine Neostigmine Phenserine Physostigmine Pyridostigmine Quilostigmine Rivastigmine Terestigmine; Others: Acotiamide Ambenonium Caffeine Donepezil EA-3990 EA-4056 Edrophonium Galantamine Huperzine A Ipidacrine Itopride Ladostigil Minaprine Octamethylene-bis(5-dimethylcarbamoxyisoquinolinium bromide) T-1123 TL-599 TL-1238 Tacrine Zanapezil Irreversible: Organophosphates: 2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate Acephate Anatoxin-a(S) Armine Azinphos-ethyl Azinphos-methyl BAY-29952 Bensulide Cadusafos Carbophenothion Chlorethoxyfos Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Coumaphos Crotylsarin Cyanophos Cyclosarin (GF) Demephion Demeton Demeton-S-methyl Dialifor Diazinon Dichlorvos Dicrotophos Diisopropyl fluorophosphate Diisopropylphosphate Dimefox Dimethoate Dimethyl 4-(methylthio)phenyl phosphate Dioxathion Disulfoton EA-2012 EA-2054 EA-2098 EA-2192 EA-2613 EA-3148 EA-4352 Echothiophate Ethylsarin (GE) Endothion Ethion Ethoprop Fenamiphos Fenitrothion Fenthion Fluorotabun Fonofos Formothion Fosthiazate GD-42 GH GT-45 GV Hexaethyl tetraphosphate Isofluorophate Isoxathion Leptophos Malaoxon Malathion Methamidophos Methidathion Methyl phenkapton Methylfluorophosphonylcholine (MFPCh) Metrifonate Mevinphos Mipafox Monocrotophos Naled Novichok agent Omethoate Oxydemeton-methyl Paraoxon Parathion Parathion-methyl Phorate Phosalone Phosfolan Phosmet Phosphamidon Phoxim Pirimiphos-methyl Profenofos Prothoate Ro 3-0340 Ro 3-0346 Ro 3-0347 Ro 3-0351 Ro 3-0352 Ro 3-0397 Ro 3-0411 Ro 3-0412 Ro 3-0417 Ro 3-0419 Ro 3-0422 Ro 3-0433 Sarin (GB) Schradan Soman (GD) Tabun (GA) Tebupirimfos Temefos Terbufos Tetrachlorvinphos Tetraethyl pyrophosphate Triazofos Tribufos Trichlorfon Trichloronate Tricresyl phosphate VE VG VM VP VS VR VX; Others: Demecarium Fasciculins (green mamba toxins) (1, 2, 3, 4) Onchidal (Onchidella binneyi) Methanesulfonyl fluoride Unsorted: α-Pinene α-Viniferin Affinine Affinisine Arisugacin A Bulbocapnine Conodurine Coronaridine Corydaline Corynoline Crimidine Cyclanoline Cymserine Harmaline Kobophenol A Lactucopicrin Lycorine Phosacetim Rosmarinic acid Stercuronium iodide Taspine Tetrahydrocannabinol Ungeremine Ungiminorine Dimethylcarbamoyl fluoride BW284C51 Reactivators: Asoxime chloride Methoxime Obidoxime Pralidoxime Trimedoxime bromide
BChE	Inhibitors: Affinine Affinisine Conodurine Cymserine Ladostigil Profenamine (ethopropazine) Rivastigmine Tacrine ZINC-12613047 Many of the other AChE inhibitors listed above

Transporter
(modulators)

CHT	Inhibitors: Hemicholinium-3 (hemicholine) Triethylcholine Enhancers: Coluracetam
VAChT	Inhibitors: Vesamicol

Release
(modulators)

Inhibitors	SNAP-25 inactivators: Botulinum toxin (A, C, E) VAMP inactivators: Botulinum toxin (B, D, F, G) Others: [[Chemistry:BungaroBungarotoxins (Beta-Bungarotoxin\|β-bungarotoxin]], γ-bungarotoxin)
Enhancers	LPHN agonists: α-Latrotoxin Others: Atracotoxins (e.g., robustoxin, versutoxin) Crotoxin

See also: Receptor/signaling modulators • Muscarinic acetylcholine receptor modulators • Nicotinic acetylcholine receptor modulators

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