{"id":3161,"npaid":"NPA003161","original_name":"Guanacastepene I","mol_formula":"C21H30O5","mol_weight":"362.4660","exact_mass":"362.2093","inchikey":"SKXOFLYXSQQRDX-PPWBCYONSA-N","smiles":"CC(C)[C@H]1[C@H](C(=O)C2=C3C4=C([C@H](CC[C@]4(CC[C@]12C)C)O)[C@H](O3)O)OC","cluster_id":1791,"node_id":191,"has_exclusions":false,"synonyms":[],"inchi":"InChI=1S/C21H30O5/c1-10(2)13-18(25-5)16(23)15-17-14-12(19(24)26-17)11(22)6-7-20(14,3)8-9-21(13,15)4/h10-11,13,18-19,22,24H,6-9H2,1-5H3/t11-,13-,18+,19-,20-,21+/m0/s1","m_plus_h":"363.2166","m_plus_na":"385.1985","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":"CC(C)[C@H]1[C@H](C(=O)C2=C3C4=C([C@H](CC[C@]4(CC[C@]12C)C)O)[C@H](O3)O)OC","is_reassignment":false,"version":1}],"exclusions":[],"external_ids":[{"external_db_name":"npmrd","external_db_code":"NP0003874"}],"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":"CO[C@@H]1[C@H](C(C)C)[C@@]2(C)CC[C@]3(C)CC[C@H](O)C4=C3C(O[C@@H]4O)=C2C1=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=SKXOFLYXSQQRDX-PPWBCYONSA-N","subclass":null,"ancestors":["Alcohols and polyols","Carbonyl compounds","Chemical entities","Dialkyl ethers","Dihydrofurans","Ethers","Hemiacetals","Hydrocarbon derivatives","Ketones","Organic acids and derivatives","Organic compounds","Organic oxides","Organic oxygen compounds","Organoheterocyclic compounds","Organooxygen compounds","Oxacyclic compounds","Secondary alcohols","Vinylogous esters"],"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 dihydrofurans. These are compounds containing a dihydrofuran moiety, which is a furan derivative with only one double bond.","substituents":["Vinylogous ester","Dihydrofuran","Secondary alcohol","Ketone","Hemiacetal","Oxacycle","Ether","Dialkyl ether","Organic oxygen compound","Organic oxide","Hydrocarbon derivative","Organooxygen compound","Carbonyl group","Alcohol","Aliphatic heteropolycyclic compound"],"direct_parent":{"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."},"intermediate_nodes":[],"alternative_parents":[{"url":"http://classyfire.wishartlab.com/tax_nodes/C0003891","name":"Vinylogous esters","chemont_id":"CHEMONTID:0003891","description":"Organic compounds containing an ester group, which is indirectly attached to a carbonyl via an intervening vinyl (>C=C<) moiety."},{"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/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/C0001092","name":"Hemiacetals","chemont_id":"CHEMONTID:0001092","description":"Compounds comprising the hemiacetal functional group, with the general formula R2C(OH)OR' ( R' not Hydrogen )."},{"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/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":["enone (CHEBI:51689)","enol ether (CHEBI:47985)","secondary alcohol (CHEBI:35681)","ketone (CHEBI:17087)","hemiacetal (CHEBI:5653)","oxacycle (CHEBI:38104)","ether (CHEBI:25698)","organic oxide (CHEBI:25701)","organic molecule (CHEBI:72695)","dihydrofuran (CHEBI:51659)","chemical entity (CHEBI:24431)","organooxygen compound (CHEBI:36963)","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)","organic heterocyclic compound (CHEBI:24532)"],"classification_version":"2.1","predicted_lipidmaps_terms":[]},"npclassifier":{"isglycoside":true,"class_results":["Guanacastane diterpenoids"],"pathway_results":["Terpenoids"],"superclass_results":["Diterpenoids"]}}