n
(organic chemistry) A substance resembling mannite, found in the needles of the common silver fir of Europe (Abies alba).
n
An organic compound found in Adenium boehmianum.
n
A particular antineoplastic alkaloid.
n
A pyridine alkaloid similar to nicotine, found in Nicotiana glauca, a close relative of the common tobacco plant, formerly used as an insecticide.
n
(organic chemistry) A meroterpenoid derived from Aspergillus species.
n
An acetogenin found in fruits such as the guanabana, frequent consumption of which is implicated in Parkinson's disease.
n
(organic chemistry) A withanolide present in the red pepper Tubocapsicum anomalum
n
(organic chemistry, medicine) The anticancer drug 17-(furan-3-yl)-6-hydroxy-4,4,8-trimethyl-3,7-dioxo-14,15-epoxyandrosta-1,5-dien-11-yl acetate
n
(organic chemistry) A sesquiterpene lactone, similar in structure to α-santonin.
n
(organic chemistry) A diketopiperazine alkaloid present in molds of genus Aspergillus.
n
(organic chemistry) The enone (4E,6E,8E,10E,12E)-8-methyl-13-phenyltrideca-4,6,8,10,12-pentaen-3-one present in Aspergillus niger or its close relatives.
n
(organic chemistry) A cytotoxic alkaloid present in the fungus Aspergillus nomius
n
(organic chemistry) Any of a group of hydroxylated pulvinones found in cultures of the mold Aspergillus terreus.
n
An organogold compound used as an antirheumatic.
n
(organic chemistry) Any of a group of pigments found in many fungi
n
(organic chemistry) A convulsant alkaloid, found in plants of the family Fumariaceae, that is a a light-sensitive competitive antagonist of GABA receptors
n
A curcuminoid found in turmeric.
n
(organic chemistry) A bicyclic aldehyde, related to botrydial, that is a phytotoxic sesquiterpene metabolite secreted by the fungus Botrytis cinerea
n
(organic chemistry) An alkaloid, found in the skins of some toads, related to serotonin.
n
Alternative form of cantharidin [(organic chemistry) A volatile organic compound in cantharis, or Spanish fly.]
n
(organic chemistry) A particular brassinosteroid
n
(organic chemistry) A sesquiterpenoid lactone present in the sponge Fasciospongia cavernosa
n
(organic chemistry) A toxin found in Cercospora species.
n
A benzophenanthridine alkaloid extracted from the greater celandine (Chelidonium majus)
n
(organic chemistry) The antibiotic [(3S,4R,5R,6S)-6-[8-chloro-4-hydroxy-3-[[4-hydroxy-3-(3-methylbut-2-enyl)benzoyl]amino]-2-oxochromen-7-yl]oxy-5-hydroxy-3-methoxy-2,2-dimethyloxan-4-yl] 5-methyl-1H-pyrrole-2-carboxylate
n
(organic chemistry) A poisonous polyyne and alcohol found in various plants, including the water hemlock.
n
(organic chemistry) A phenol produced by Aspergillus clavatus and observed as an impurity of clavatin
n
The apoptogenic quinone 4-methylbenzo[g]quinoline-5,10-dione present in an Enicosanthellum
n
(organic chemistry) A polyketide component of the phytotoxin coronatine, a virulence factor of the plant pathogen Pseudomonas syringae.
n
Alternative form of corydaline [(biochemistry) A bioactive isoquinoline alkaloid.]
n
(organic chemistry) Synonym of hydroxycoumarin
n
A biphenylquinolizidine lactone alkaloid, obtained from sinicuichi, with antiinflammatory activity similar to that of aspirin.
n
(organic chemistry) A mikimopinc lactam
n
(archaic, chemistry) inulin
n
(organic chemistry) A plant toxin originally isolated from the mezereon.
n
(organic chemistry) Any of a group of diterpenoid macrolides present in some nudibranchs
n
A curcuminoid found in turmeric.
n
(organic chemistry) A phytotoxin 8-hydroxy-3-(2-hydroxypropyl)-6-methoxyisochromen-1-one produced by Aspergillus and similar fungi
n
(organic chemistry) A tetracenequinone polyketide that is a metabolite of doxorubicin
n
(organic chemistry) The alkaloid forming the active principle of ipecacuanha root.
n
(organic chemistry) A particular protoberberine alkaloid
n
(organic chemistry) Any of a group of polycyclic alkaloids produced by fungi of the genus Epicoccum
n
(chemistry) An ergoline (and lysergamide) derivative, one of the primary ergot and morning glory alkaloids, chemically similar to LSD and used in medicine to facilitate delivery of the placenta and to prevent bleeding after childbirth.
n
(medicine) A principle or mixture of principles derived from Euonymus atropurpureus, a spindle tree.
n
An O-methylated flavone found in Artemisia indica, among other species, and used in the treatment of acid-related disorders.
n
(organic chemistry) A pentacyclic heterocycle present in a sponge of the species Fascaplysinopsis
n
(organic chemistry) A quinazolinone alkaloid with antimalarial properties.
n
(biochemistry) A sterol made by certain fungi and lichens.
n
(organic chemistry) Any of a group of indole alkaloids, present in a cyanobacterium, that inhibit the growth of alga
n
(organic chemistry) The vasorelaxant chromenone derivative (2R,3R)-3,5,7-trihydroxy-2-(2-hydroxyphenyl)-6-methoxy-8-(3-methylbut-2-enyl)-2,3-dihydrochromen-4-one
n
(organic chemistry) Any of a group of antibacterial ergoline alkaloids present in Aspergillus fumigatus.
n
(organic chemistry) An antibiotic related to N-methyl-4-hydroxy-3, 5-disubstituted-2-pyridone
n
(organic chemistry) A specific sesquiterpenoid; any of many naturally-occurring derivatives of this compound, some of which are antiparasitic
n
(organic chemistry) A mycotoxin, [(2S)-2-[(1S,3E,7E,11S,12E,15R)-11,17-dihydroxy-1,4,8,12-tetramethyl-18-oxo-16-bicyclo[13.3.0]octadeca-3,7,12,16-tetraenyl]propyl] acetate, present in Fusarium
n
Alternative form of fusarenone [Any of a group of polycyclic trichothecene mycotoxins, but especially [(1~{S},2~{R},3~{S},7~{R},9~{R},10~{R},11~{S},12~{S})-3,10-dihydroxy-2-(hydroxymethyl)-1,5-dimethyl-4-oxospiro[8-oxatricyclo[7.2.1.0^{2,7}]dodec-5-ene-12,2'-oxirane]-11-yl] acetate]
n
(organic chemistry) An alkaloid, obtained synthetically or from various plants, used for the treatment of mild to moderate Alzheimer's disease and various memory impairments.
n
(organic chemistry) An isoflavonoid found in licorice
n
(organic chemistry) A fluorescent harmala alkaloid belonging to the carboline family of compounds, found in harmal and certain other plants.
n
(organic chemistry) Any of a group of aromatic lactones present in Trichoderma harzianum that have some antitumor and cytotoxic properties
n
(organic chemistry) A peptide, found in the sea anemone Stichodactyla helianthus, that inhibits amylase.
n
A naturally-occurring flavone with potential antiepileptic activity.
n
A toxic organic compound related to tutin.
n
(organic chemistry) A toxic organic compound related to lycine, found in Blighia sapida (ackee fruit), causing hypoglycemia, and responsible for Jamaican vomiting sickness.
n
(organic chemistry) Any of a family of sesquiterpenes with antitumor antibiotic properties produced by some mushrooms.
n
(organic chemistry) A diketone derivative of furan, produced by Ceratostomella fimbriata, a mold that grows on sweet potato, 1-(furan-3-yl)pentane-1,4-dione
n
(organic chemistry) A monoterpene found in catnip that attracts certain insects.
n
(organic chemistry) An isomer of catechin
n
(organic chemistry) A particular cytokinin.
n
A particular furanochromone.
n
Alternative form of isorhamnetin [An O-methylated flavonol found in Tagetes lucida.]
n
(organic chemistry) An antitumor ent-kaurenoid isolated from Isodon kameba.
n
(organic chemistry) Any of a group of derivatives of kaurenoic acid that have antimalarial activity
n
Alternative form of kifunensine [(organic chemistry) An alkaloid (a cyclic oxamide of mannojirimycin) produced by the actinomycete Kitasatosporia kifunense]
n
(organic chemistry) A toxic substance obtained from the flowers of kousso.
n
An anthelmintic resin derived from kousso.
n
(organic chemistry) Any of a group of tetracyclic phenolic quinones that are the aglycons of landomycins
n
(organic chemistry) Any of a class of phenylpropanoid (propylbenzene) type of molecules found in essentially all plants, generally dimeric or higher order, and produced by secondary metabolic pathways branching off of aromatic amino acid biosynthesis, in some cases having associated antioxidant or estrogenic (phytoestrogenic) activities; having in common with lignin the phenylpropanoid monomers, where lignin is a random oxidative polymerization of the same
n
The lactone (3Z)-3-butylidene-4,5-dihydro-2-benzofuran-1-one, isolated from plants of the genus Ligusticum, used as a cardiovascular therapy
n
(organic chemistry) Any of a group of anthraquinone derivatives, present in Micromonospora lupini, that inhibit tumour growth
n
(organic chemistry) A class of chemicals made by bacteria found in soil that can kill Gram-positive bacteria.
n
(organic chemistry) Any of several polycyclic alkaloids, obtained from several species of sea sponge, that exhibit antimicrobial and antileukemic activity
n
Any chemical derivative of maytansine.
n
(organic chemistry) Any of a group of saponins obtained from the Moses sole (Pardachirus marmoratus) and acting as a shark repellent.
n
(biochemistry) A hallucinogenic alkaloid present in the fly agaric and other related fungi; 3-hydroxy-5-aminomethylisoxazole.
n
Alternative form of muscimol [(biochemistry) A hallucinogenic alkaloid present in the fly agaric and other related fungi; 3-hydroxy-5-aminomethylisoxazole.]
n
(organic chemistry) A poisonous amido acid, C₆H₁₃NO₂, originally obtained from decaying horseflesh and similar in action to curare.
n
(organic chemistry) A highly poisonous alkaloid from the plant Aconitum lycoctonum, resembling curare in its action.
n
(organic chemistry) Any of a group of diterpenoid lactones that have antifungal activity
n
(organic chemistry) The cytotoxin 8,9-dihydro-6,12-dihydroxy-9-(1-hydroxy-1-methylethyl)-3,3-dimethyl-3H,7H-pyrano[2',3':7,8][1]benzopyrano[3,2-d][1]benzoxepin-7-one
n
(organic chemistry) Any of a series of indole alkaloids present in fungi of the genus Eurotium
n
(organic chemistry) A white waxy substance with a hot, bitter taste, extracted from tobacco leaves.
n
A particular steroid glycoside.
n
(biochemistry) Any of a class of organic compounds, derived from amino acids, found in some plant tumours
n
(organic chemistry) An isoflavone, found in Aspergillus niger and Streptomyces neyagawaensis, that is a potent inhibitor of phosphoinositide 3-kinase.
n
(organic chemistry) Any of a group of tremorgenic mycotoxins present in the bark of Cavendishia pubescens
n
(organic chemistry) A cardiotoxin (2R,4S)-1-amino-5-[[(2S,4R)-5-amino-2,4-dihydroxypentyl]amino]pentane-2,4-diol present in the coffee plant and other plants in family Rubiaceae.
n
(organic chemistry) Any of a group of vesicant toxic amides present in beetles of the genus Paederus
n
(organic chemistry) A particular mycotoxin.
n
Alternative form of paeonine [(organic chemistry) An artificial red nitrogenous dyestuff.]
n
(organic chemistry) A toxic hemolysin found in the death cap mushroom, Amanita phalloides.
n
(organic chemistry) A piperazinedione present in the fungus Phoma lingam
n
(organic chemistry) An aza-anthraquinone pigment isolated from the fungus Pyrenochaeta
n
Alternative form of picrocrocin [A monoterpene glycoside precursor of safranal, responsible for the bitter taste of saffron.]
n
(organic chemistry) A poisonous material, extracted from the seeds of plants of species Anamirta cocculus, used as a stimulant; it is a complex of two alkaloids: picrotoxinin and picrotin.
n
(organic chemistry) A toxic alkaloid present in the aerial portions of the kava plant.
n
(organic chemistry) A macrolide, methyl (2R,4S,6R,12S)-4-methyl-8-oxo-12-prop-1-en-2-yl-3,7,17-trioxatetracyclo[12.2.1.16,9.02,4]octadeca-1(16),9(18),14-triene-15-carboxylate, present in the soft coral Sinularia abrupta
n
(organic chemistry) A particular trisubstituted purine that induces apoptosis in some neurons
n
An alkaloid, probably identical to yohimbine, from the quebracho tree
n
(organic chemistry) A cytotoxic pyrrolizidine alkaloid, 12,18-dihydroxysenecionan-11,16-dione, isolated from various plants
n
Alternative form of roquefortine [Any of a group of toxic alkaloids found in various fungi, particularly Penicillium species.]
n
(biochemistry, physiology) A poisonous alkaloid which occurs in the stems of the tropical American shrub Ryania speciosa (family Flacourtiaceae) and has been used as an insecticide and in experimental studies of calcium release within cells.
n
Any of several structurally-related compounds found in the Salvia divinorum plant, of which only salvinorin A is known to be active in humans.
n
(organic chemistry) A benzofuran derivative, present in Aglaia foveolata, that inhibits Ebola virus
n
(organic chemistry) Any of a group of chlorinated peptides, present in a sponge of the genus Dysidea, that are androgen antagonists
n
(organic chemistry) Any of a certain group of fungal phytotoxins
n
A furoquinoline alkaloid found in Zanthoxylum chalybeum rootbark.
n
(organic chemistry) A poisonous glycoalkaloid found in many species of the nightshade family Solanaceae, including potato and tomato.
n
(biochemistry, organic chemistry) An alkaloid, with chemical formula C₁₇H₃₅N, that is considered the primary toxin in fire ant venom and that inhibits angiogenesis via the phosphoinositol-3 kinase signaling pathway.
n
(organic chemistry) A toxic tetracyclic alkaloid obtained from the broom and lupin plants.
n
The biochemically active lactone 1,2-dihydro-3H-naphtho[2,1-b]pyran-3-one
n
(organic chemistry) Any of a group of cytotoxic steroids present in the soft coral Clavularia viridis
n
(organic chemistry) The antifungal alkaloid 4-chloro-5-(1H-indol-3-yl)oxazole present in a marine Streptomyces
n
Obsolete form of strychnine. [(organic chemistry) A very toxic, colourless crystalline alkaloid, derived from nux vomica, used as a pesticide]
n
(organic chemistry) A butanolide present in Cinnamomum subavenium
n
(organic chemistry) A toxic glucoside found in tobacco.
n
(organic chemistry) Any of a group of macrocyclic cyclodepsipeptides that are active against pancreatic carcinoma
n
Any of a class of taxol derivatives developed for their anticancer properties.
n
(organic chemistry) A steroidal alkaloid, isolated from tomatoes, that is used as an adaptogen
n
A particular trichothecene with chemical formula C₁₇H₂₄O₄.
n
(organic chemistry) Any of several metabolites of Aspergillus clavatus that induces quivering
n
(biochemistry, pharmacology) A toxic compound of the alkaloid class obtained chiefly from the bark and stems of a South American vine (Chondrodendron tomentosum of the family Menispermaceae) that in its dextrorotatory form constitutes the chief active constituent of curare and used in the form of its hydrated hydrochloride C₃₇H₄₁ClN₂O₆·HCl·5H₂O to produce relaxation of voluntary muscles before surgery and in tetanus, encephalitis, and poliomyelitis.
n
(chemistry) An antibacterial agent obtained from lichens of the genus Usnea.
n
Alternative form of veratrine [A poisonous mixture of alkaloids (veratridines) obtained from the seeds of the sabadilla plant.]
n
(biochemistry) An aglycone of verbenalin.
n
(organic chemistry) The compound (3R)-4,6-dimethoxy-3-[4-oxo-6-[(E)-prop-1-enyl]pyran-3-yl]-3H-2-benzofuran-1-one present in Penicillium vermiculatum
n
(organic chemistry) An organic compound with ganglionic blocking activity, found in Rauvolfia verticillata.
n
(pharmacology) A particular semisynthetic vinca alkaloid derivative.
n
(organic chemistry) Any of a group of alkaloids present in Xenorhabdus nematophila
n
Alternative form of xestospongin [(organic chemistry) Any of a class of a marine natural products, first isolated from Pacific basin sponges, that have vasodilatory properties]
n
A phytoindole alkaloid isolated from the bark of Mimosa tenuiflora.
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