| Description | Kaurenoic acid, also known as kaurenoate, belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. Kaurenoic acid is found in Annona cherimola, Annona glabra, Annona senegalensis, Annona squamosa, Aralia cordata, Aspilia mossambicensis, Athrixia elata, Baccharis minutiflora, Baccharis ramosissima, Baccharis retusa, Bedfordia arborescens, Calocephalus knappii, Casearia corymbosa, Chrozophora oblongifolia, Copaifera paupera, Croton argyrophyllus, Dendroviguiera insignis, Eleutherococcus trifoliatus, Libanothamnus spectabilis, Espeletiopsis guacharaca, Filago congesta, Goyazianthus tetrastichus, Helianthus annuus, Helianthus debilis, Helianthus niveus, Helianthus petiolaris, Helianthus radula, Helianthus simulans, Helichrysum chionosphaerum, Ichthyothere terminalis, Iostephane heterophylla, Wollastonia biflora, Mikania hirsutissima, Mikania micrantha, Mikania vitifolia, Mitrephora celebica, Montanoa leucantha, Montanoa tomentosa, Nassauvia lagascae, Othonna sedifolia, Oyedaea verbesinoides, Ozothamnus diosmifolius, Ozothamnus retusus, Pappobolus stuebelii, Perymenium jelskii, Pleurothyrium cinereum, Pseudognaphalium oligandrum, Pteris haenkeana, Sagittaria trifolia, Smallanthus fruticosus, Smallanthus maculatus, Smallanthus sonchifolius, Smallanthus uvedalia, Solidago missouriensis, Solidago nemoralis, Solidago rugosa, Sphagneticola trilobata, Steiractinia sodiroi, Stevia lucida, Tithonia longiradiata, Viguiera cordifolia, Viguiera decurrens, Viguiera hypargyrea, Viguiera incana, Wedelia acapulcensis, Xylopia aethiopica and Xylopia frutescens. Kaurenoic acid is a weakly acidic compound (based on its pKa). |
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| Structure | CC12CCCC(C)(C1CCC13CC(CCC21)C(=C)C3)C(O)=O InChI=1S/C20H30O2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16H,1,4-12H2,2-3H3,(H,21,22) |
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| InChI Identifier | InChI=1S/C20H30O2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16H,1,4-12H2,2-3H3,(H,21,22) |
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