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O - Environmental Thesaurus (ENVTHES)
http://vocabs.lter-europe.net/EnvThes/EUUnits_198
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O horizon - ENVTHES
http://vocabs.lter-europe.net/EnvThes/40
[Agren & Andersson 2012] Accumulation of litter and particular decomposed plant parts on top of the mineral soil. Often sub-divided into litter (S, L and F) and humus (H) horizons. This horizon consists mostly of organic matter. In forest soils, this horizon is often called forest floor
Phosphorodithioic acid O,O-diesters - Chemical Functional Ontology (CHEMFONT)
http://purl.obolibrary.org/obo/CHEMONTID_0004662
Organooxygen compounds that contain a phosphorodithioic acid, which is O,O-disubstituted by an organyl group.
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O-phenylenediamines - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004746
Aromatic compound containing a benzene ring which carries 2 amino groups, at the 1- and 2-positions.
o-Xylenes - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004210
Aromatic compounds that contain a o-xylene moiety, which is a monocyclic benzene carrying exactly two methyl groups at the 1- and 2-positions.
O-quinodimethanes - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001778
Compounds containing a benzene ring conjugated to two methylidene groups at carbon atoms 1 and 2, respectively.
O-thiocarbamates - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004425
O-ester derivatives of thiocarbamic acid, with the general formula ROC(=S)NR2.
O-terphenyls - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001836
Terphenyls with a structure containing the 1,2-diphenylbenzene skeleton.
O-glucuronides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002813
Glucuronides in which the aglycone is linked to the carbohydrate unit through an O-glycosidic bond.
o-Toluamides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004221
Aromatic compounds containing a toluene, which carries a carboxamide group a the 2-position.
o-Aminophenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004654
Phenols that are substituted with an amine group at the 2-position of the benzene ring.
O-iodophenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002777
Iodophenols carrying a iodine at the C2 position of the benzene ring.
O-haloacetanilides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004718
Organic compounds containing an acetamide group conjugated to a phenyl group, which is in turn ortho-substituted with a halogen atom.
O-quinomethanes - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002122
Organic compounds containing a benzene ring conjugated to a methylidene group and a ketone at carbon atoms 1 and 2, respectively.
O-iminoquinones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002388
O-quinones that carry an imine group.
O-bromophenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002768
Bromophenols carrying a iodine at the C2 position of the benzene ring.
O-quinonimines - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002894
Quinonimines in which the imine groups are in a ortho-relationship.
O-phenylhydroxylamines - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004651
Hydroxylamines that are O-substituted with a phenyl group.
O-alkylglycerones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003445
Organic compounds containing a glycerone that carries an acyl substituent at the 1-position or the 2-position.
o-Xylenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004214
Aromatic compounds that contain a o-xylenol moiety, which is a monocyclic benzene carrying exactly two methyl groups at the 1- and 2-positions, and at least one hydroxyl group.
O-quinones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002385
Quinones where the two C=O groups are attached at the 1- and 2-positions, respectively.
O-chlorophenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002771
Chlorophenols carrying a iodine at the C2 position of the benzene ring.
O-benzoquinones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002492
Benzoquinones where the two C=O groups are attached at the 1- and 2-positions, respectively.
O-fluorophenols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002774
Fluorophenols carrying a iodine at the C2 position of the benzene ring.
O-alkylpyrimidines - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004486
Compounds containing a pyrimidine , which is O-alkylated at one or more ring positions.
Rotenoid O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001741
Compounds containing a carbohydrate moiety glycosidically linked to the rotenoid backbone at the C8-position.
O-alkylglycerone phosphates - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003447
Glycerone-3-phosphates carrying an alkyl substituent at the 1-position.
7-O-methylisoflavones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002689
Isoflavones with methoxy groups attached to the C7 atom of the isoflavone backbone.
Sulfonohydrazonothioic o-acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003144
Organic acids with the general formula RS(S)(=NH2)-OH (R=H, organic group).
Thiosulfonimidic o-acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002531
Organic compounds with the general formula HOS(R)(=N)(=S) (R = alkyl, aryl).
Sulfonothioic O-acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004357
Organosulfur compounds with the general formula RS(O)(S)-OH.
O-acylglycerone-phosphates - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003448
Glycerone-3-phosphates carrying an acyl substituent at the 1-position.
O-coumaroyl glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002684
Glycosides of o-coumaric acids. O-coumaric acids are aromatic compounds containing a cinnamic acid moiety hydroxylated at the C2 carbon atom of the benzene ring.
Iridoid O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004081
Iridoid monoterpenes containing a glycosyl (usually a pyranosyl) moiety linked to the iridoid skeleton.
Carbothioic O-acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003108
Organic acids with the general formula RCO-SH (R=H, organic group).
Dithiophosphate O-esters - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004164
O-ester derivatives of dithiophosphates, with the general structure RSP(O)(O)=S (R = organyl group).
3'-O-methylisoflavones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002690
Flavones with methoxy groups attached to the C2' atom of the isoflavone backbone.
Aurone O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001738
Aurone flavonoids containing a carbohydrate moiety O-glycosidically bound to the aurone skeleton.
Dithiosulfonic O-acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002543
Organic acids with the general formula RS(=S)(=S)OH.
Flavonoid O-glucuronides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002934
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to glucuronic acid.
Flavonoid O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001583
Compounds containing a carbohydrate moiety which is O-glycosidically linked to the 2-phenylchromen-4-one flavonoid backbone.
O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002585
Flavonoids with methoxy groups conjugated to the flavonoid backbone.
O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002586
Isoflavonoids with methoxy groups conjugated to the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
O-cinnamoyl glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003479
O-glycoside derivatives of cinnamic acid. Cinnamic acid is an aromatic compound containing a benzene and a carboxylic acid group forming 3-phenylprop-2-enoic acid.
Carbothioic O-lactones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003875
Cyclic organosulfur compounds with the general structure RC(=S)OR', R-R' = organyl group, where the central atom is part of the ring.
sterol O-acyltransferase - CHEMFONT
file:/home/william/Workspace/chemont/HGNC.owl#HGNC_sterol_O-acyltransferase_
o-Phthalate esters - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004011
Ester derivatives of o-phthalic acids, which are based on a benzene 1,2-dicarboxylic acid skeleton.
4'-O-methylisoflavones - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002687
Isoflavones with methoxy groups attached to the C4' atom of the isoflavone backbone.
1-O-alkylglycerols - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004274
Glycerolipids containing a glycerol moiety that carries an alkyl group at the 1-position.
Carbothioic O-esters - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003874
Ester derivatives of carbothioic O-acids, with the general structure ROC(=S)R' where R = organyl group and R' = H or organyl group.
Benzo-o-dioxins - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0001382
Organic compounds containing a benzene ring fused to a 1,2-dioxin ring.
O-sulfanylbenzoic acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003106
Benzoic acids which bear a sulfanyl group (R-SH) attached to the benzene ring at positions 1 and 2, respectively.
Isoflavonoid O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0000507
O-glycosylated derivatives of isoflavonoids, which are natural products derived from 3-phenylchromen-4-one.
O-glycosyl compounds - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002207
Glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond.
4-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002589
Flavonoids with methoxy groups attached to the C4 atom of the flavonoid backbone.
Flavonoid-7-O-glucuronides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003534
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to glucuronic acid at the C7-position.
5-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002600
Isoflavonoids with methoxy groups attached to the C5 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
o-Hydroxybenzoic acid esters - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004700
Benzoic acid esters where the benzene ring is ortho-substituted with a hydroxy group.
4'-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002606
Isoflavonoids with methoxy groups attached to the C4' atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
3'-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002595
Flavonoids with methoxy groups attached to the C3' atom of the flavonoid backbone.
6-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002601
Isoflavonoids with methoxy groups attached to the C6 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
5-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002590
Flavonoids with methoxy groups attached to the C5 atom of the flavonoid backbone.
Phosphoramidothioic acid O-esters - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004664
Organooxygen compounds containing a O-ester derivative of phosphoroamidothioic acid. They have the general structure ROP(=O)(S)(NH2), where R is an organyl group.
Neoflavonoid 5-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002897
5-O-glycosylated neoflavonoids. Neoflavonoids are compounds with a structure based on the 4-phenylchromene backbone.
Flavonoid-8-O-glucuronides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003541
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to glucuronic acid at the C8-position.
4'-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002596
Flavonoids with methoxy groups attached to the C4' atom of the flavonoid backbone.
Membrane bound O-acyltransferases - CHEMFONT
file:/home/william/Workspace/chemont/HGNC.owl#HGNC_1036
Flavonoid-3-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003531
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to carbohydrate moiety at the C3-position.
Benzofuran-5-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003500
Benzofurans that a O-glycosylated at the 2-position. Benzofurans are organic compounds containing a benzene ring fused to a furan.
Hydroxylamine O-sulfonic acids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003110
Sulfonic acids with the general formula R-N-OS(O)(=O)=O. They can be synthesized through reaction of hydroxylamine and chlorosulfonic acids.
Anthocyanidin-5-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002997
Phenolic compounds containing one anthocyanidin moiety which is O-glycosidically linked to a carbohydrate moiety at the C5-position.
Flavonoid-3-O-glucuronides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003532
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to glucuronic acid at the C3-position.
Anthocyanin-4'-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003552
Phenolic compounds containing one anthocyanidin moiety which is O-glycosidically linked to a carbohydrate moiety at the C4'-position.
2-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002587
Flavonoids with methoxy groups attached to the C2 atom of the flavonoid backbone.
7-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002602
Isoflavonoids with methoxy groups attached to the C7 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
6-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002591
Flavonoids with methoxy groups attached to the C6 atom of the flavonoid backbone.
8-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002603
Isoflavonoids with methoxy groups attached to the C8 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
7-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002592
Flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone.
Flavonoid-7-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003533
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to carbohydrate moiety at the C7-position.
3-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002598
Isoflavonoids with methoxy groups attached to the C3 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
8-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002593
Flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone.
4-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002599
Isoflavonoids with methoxy groups attached to the C4 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
3'-O-methylated isoflavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002605
Isoflavonoids with methoxy groups attached to the C3' atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
2'-O-methylated flavonoids - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002594
Flavonoids with methoxy groups attached to the C2' atom of the flavonoid backbone.
Organic O-nitroso compounds - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0004778
Organic compounds containing a n-nitroso group -ON=O.
Flavonoid-8-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0003540
Phenolic compounds containing a flavonoid moiety which is O-glycosidically linked to carbohydrate moiety at the C8-position.
Anthocyanidin-3-O-glycosides - CHEMFONT
http://purl.obolibrary.org/obo/CHEMONTID_0002996
Phenolic compounds containing one anthocyanidin moiety which is O-glycosidically linked to a carbohydrate moiety at the C3-position.