{"id":8556,"npaid":"NPA008556","original_name":"Guanacastepene L","mol_formula":"C20H24O5","mol_weight":"344.4070","exact_mass":"344.1624","inchikey":"BEEKLPAFPKYOIZ-DYGWXWIKSA-N","smiles":"C[C@H]1CO[C@@H]2[C@H]1[C@]3(CC[C@@]4(CC[C@@H](C5=C4C(=C3C2=O)OC5=O)O)C)C","cluster_id":3646,"node_id":191,"has_exclusions":false,"synonyms":[],"inchi":"InChI=1S/C20H24O5/c1-9-8-24-17-12(9)20(3)7-6-19(2)5-4-10(21)11-13(19)16(25-18(11)23)14(20)15(17)22/h9-10,12,17,21H,4-8H2,1-3H3/t9-,10-,12-,17+,19-,20+/m0/s1","m_plus_h":"345.1697","m_plus_na":"367.1516","origin_reference":{"doi":"10.1021/ja016176y","pmid":11583556,"authors":"Brady, Sean F.; Bondi, Shana M.; Clardy, Jon","title":"The Guanacastepenes: A Highly Diverse Family of Secondary Metabolites Produced by an Endophytic Fungus","journal":"Journal of the American Chemical Society","year":2001,"volume":"123","issue":"40","pages":"9900-9901"},"origin_organism":{"id":215,"type":"Fungus","genus":"Unknown-fungus","species":"sp. cR115","taxon":{"id":1724,"name":"Unknown-fungus","rank":"genus","taxon_db":"mycobank","external_id":null,"ncbi_id":null,"ancestors":[{"id":599,"name":"Eukarya","rank":"domain","taxon_db":"mycobank","external_id":"0","ncbi_id":2759},{"id":600,"name":"Fungi","rank":"kingdom","taxon_db":"mycobank","external_id":"90157","ncbi_id":4751}]}},"syntheses":[],"reassignments":[],"mol_structures":[{"current_structure":true,"reference_doi":"10.1021/ja016176y","structure_smiles":"C[C@H]1CO[C@@H]2[C@H]1[C@]3(CC[C@@]4(CC[C@@H](C5=C4C(=C3C2=O)OC5=O)O)C)C","is_reassignment":false,"version":1}],"exclusions":[],"external_ids":[{"external_db_name":"npmrd","external_db_code":"NP0003877"}],"classyfire":{"class":{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001983","name":"Dihydrofurans","chemont_id":"CHEMONTID:0001983","description":"Compounds containing a dihydrofuran moiety, which is a furan derivative with only one double bond."},"smiles":"C[C@H]1CO[C@@H]2[C@H]1[C@@]1(C)CC[C@]3(C)CC[C@H](O)C4=C3C(OC4=O)=C1C2=O","kingdom":{"url":"http://classyfire.wishartlab.com/tax_nodes/C0000000","name":"Organic compounds","chemont_id":"CHEMONTID:0000000","description":"Compounds that contain at least one carbon atom, excluding isocyanide/cyanide and their non-hydrocarbyl derivatives, thiophosgene, carbon diselenide, carbon monosulfide, carbon disulfide, carbon subsulfide, carbon monoxide, carbon dioxide, Carbon suboxide, and dicarbon monoxide."},"inchikey":"InChIKey=BEEKLPAFPKYOIZ-DYGWXWIKSA-N","subclass":{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001982","name":"Furanones","chemont_id":"CHEMONTID:0001982","description":"Compounds containing a furan ring bearing a ketone group."},"ancestors":["Alcohols and polyols","Alpha,beta-unsaturated carboxylic esters","Butenolides","Carbonyl compounds","Carboxylic acid derivatives","Carboxylic acid esters","Carboxylic acids and derivatives","Chemical entities","Dialkyl ethers","Dihydrofurans","Enoate esters","Enol esters","Ethers","Furanones","Hydrocarbon derivatives","Ketones","Lactones","Monocarboxylic acids and derivatives","Organic acids and derivatives","Organic compounds","Organic oxides","Organic oxygen compounds","Organoheterocyclic compounds","Organooxygen compounds","Oxacyclic compounds","Oxolanes","Secondary alcohols"],"superclass":{"url":"http://classyfire.wishartlab.com/tax_nodes/C0000002","name":"Organoheterocyclic compounds","chemont_id":"CHEMONTID:0000002","description":"Compounds containing a ring with least one carbon atom and one non-carbon atom."},"description":"This compound belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom.","substituents":["2-furanone","Enol ester","Oxolane","Enoate ester","Alpha,beta-unsaturated carboxylic ester","Carboxylic acid ester","Ketone","Lactone","Secondary alcohol","Monocarboxylic acid or derivatives","Ether","Dialkyl ether","Carboxylic acid derivative","Oxacycle","Organic oxygen compound","Organic oxide","Alcohol","Organooxygen compound","Hydrocarbon derivative","Carbonyl group","Aliphatic heteropolycyclic compound"],"direct_parent":{"url":"http://classyfire.wishartlab.com/tax_nodes/C0002223","name":"Butenolides","chemont_id":"CHEMONTID:0002223","description":"Dihydrofurans with a carbonyl group at the C2 carbon atom."},"intermediate_nodes":[],"alternative_parents":[{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001967","name":"Oxolanes","chemont_id":"CHEMONTID:0001967","description":"Organic compounds containing an oxolane (tetrahydrofuran) ring, which is a saturated aliphatic five-member ring containing one oxygen and five carbon atoms."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0002354","name":"Enol esters","chemont_id":"CHEMONTID:0002354","description":"Ester derivatives of enols. They have the general formula RC=COC(=O)R' where R, R' = H or organyl group."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0003626","name":"Enoate esters","chemont_id":"CHEMONTID:0003626","description":"An alpha,beta-unsaturated carboxylic ester of general formula R1C(R2)=C(R3)C(=O)OR4 (R4= organyl compound) in which the ester C=O function is conjugated to a C=C double bond at the alpha,beta position."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001661","name":"Secondary alcohols","chemont_id":"CHEMONTID:0001661","description":"Compounds containing a secondary alcohol functional group, with the general structure HOC(R)(R') (R,R'=alkyl, aryl)."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0000050","name":"Lactones","chemont_id":"CHEMONTID:0000050","description":"Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0000118","name":"Ketones","chemont_id":"CHEMONTID:0000118","description":"Organic compounds  in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0004140","name":"Oxacyclic compounds","chemont_id":"CHEMONTID:0004140","description":"Organic compounds containing an heterocycle with at least one oxygen atom linked to a ring carbon."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001137","name":"Monocarboxylic acids and derivatives","chemont_id":"CHEMONTID:0001137","description":"Carboxylic acids containing exactly one carboxyl groups."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0001167","name":"Dialkyl ethers","chemont_id":"CHEMONTID:0001167","description":"Organic compounds containing the dialkyl ether functional group, with the formula ROR', where R and R' are alkyl groups."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0003940","name":"Organic oxides","chemont_id":"CHEMONTID:0003940","description":"Organic compounds containing an oxide group."},{"url":"http://classyfire.wishartlab.com/tax_nodes/C0004150","name":"Hydrocarbon derivatives","chemont_id":"CHEMONTID:0004150","description":"Derivatives of hydrocarbons obtained by substituting one or more carbon atoms by an heteroatom. They contain at least one carbon atom and heteroatom."}],"molecular_framework":"Aliphatic heteropolycyclic compounds","external_descriptors":[],"predicted_chebi_terms":["oxolanes (CHEBI:26912)","ester (CHEBI:35701)","enoate ester (CHEBI:51702)","secondary alcohol (CHEBI:35681)","lactone (CHEBI:25000)","ketone (CHEBI:17087)","oxacycle (CHEBI:38104)","monocarboxylic acid (CHEBI:25384)","ether (CHEBI:25698)","organic oxide (CHEBI:25701)","organic molecule (CHEBI:72695)","butenolide (CHEBI:50523)","chemical entity (CHEBI:24431)","organic heterocyclic compound (CHEBI:24532)","organic acid (CHEBI:64709)","carboxylic acid (CHEBI:33575)","organooxygen compound (CHEBI:36963)","carboxylic ester (CHEBI:33308)","alpha,beta-unsaturated carboxylic ester (CHEBI:51737)","oxygen molecular entity (CHEBI:25806)","organic molecular entity (CHEBI:50860)","polyol (CHEBI:26191)","organic hydroxy compound (CHEBI:33822)","alcohol (CHEBI:30879)","carbonyl compound (CHEBI:36586)","dihydrofuran (CHEBI:51659)","furans (CHEBI:24129)","cyclic ketone (CHEBI:3992)"],"classification_version":"2.1","predicted_lipidmaps_terms":[]},"npclassifier":{"isglycoside":false,"class_results":["Guanacastane diterpenoids"],"pathway_results":["Terpenoids"],"superclass_results":["Diterpenoids"]}}