{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.dihydrostilbenoid","code":"thing-q5276451","url":"https://ver.cy/models/thing/q5276451/","name":"dihydrostilbenoid","alternateNames":["7-[4-Hydroxy-2-[2-(4-hydroxyphenyl)ethyl]-6-methoxyphenoxy]-2-methoxy-9,10-dihydrophenanthren-4-ol","7-[4-Hydroxy-2-[2-(3-hydroxyphenyl)ethyl]-6-methoxyphenoxy]-2-methoxy-9,10-dihydrophenanthren-4-ol","Shancilin","3,4'-Dihydroxy-3',4,5-trimethoxybibenzyl","4-[2-(3,5-dimethoxyphenyl)ethyl]-2-methoxyphenol","3',4-Dihydroxy-3,5'-dimethoxybibenzyl","Marchantin B","Marchantin C","4-[2-(3-Hydroxyphenyl)ethyl]-2-[4-[2-(3-hydroxyphenyl)ethyl]phenoxy]phenol","marchantin H","2,15-Dioxapentacyclo[22.2.2.13,7.110,14.016,21]triaconta-1(26),3(30),4,6,10(29),11,13,16(21),17,19,24,27-dodecaene-4,5,8,17-tetrol","Marchantin G"],"kind":"thing","status":"published","version":"0.2.0-wave.5","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A group of natural compounds built on a 1,2-diphenylethane (bibenzyl) skeleton, commonly hydroxylated or methoxylated; the saturated counterparts of stilbenoids, found mainly in plants such as orchids and yams and in liverworts.","purpose":"Let an agent classify a compound as a dihydrostilbenoid, name its sources and reported activities, and find chemical database records, without health claims.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["The two benzene rings are linked by a saturated -CH2-CH2- bridge; stilbenoids have a double bond there.","Also called bibenzyls.","Related dihydrophenanthrenes are formed by ring closure."],"structure":{"bundles":[{"id":"class","name":"Class","description":"What makes a compound a dihydrostilbenoid.","layers":[{"id":"skeleton","name":"Skeleton","description":"Bibenzyl core.","findings":[{"id":"core-structure","name":"Core structure","description":"Saturated bridge and rings.","questions":[{"text":"Does the compound have the bibenzyl core?","kind":"boundary"},{"text":"Which substituents does it carry?","kind":"definition"}]}]},{"id":"subgroups","name":"Subgroups","description":"Batatasins and others.","findings":[{"id":"subgroup","name":"Subgroup","description":"Named subgroups; merged names are members, not synonyms of the class.","questions":[{"text":"Which subgroup does it belong to?","kind":"definition"},{"text":"Is it a cyclised derivative?","kind":"boundary"}]}]}]},{"id":"occurrence","name":"Occurrence","description":"Where they are found.","layers":[{"id":"sources","name":"Sources","description":"Plants and liverworts.","findings":[{"id":"natural-source","name":"Natural source","description":"Species and part.","questions":[{"text":"Which organism produces it?","kind":"provenance"},{"text":"In which tissue?","kind":"definition"}]}]},{"id":"biosynthesis","name":"Biosynthesis","description":"Formation in plants.","findings":[{"id":"pathway","name":"Pathway","description":"Biosynthetic route.","questions":[{"text":"How is it made in the plant?","kind":"definition"},{"text":"Which enzymes are involved?","kind":"definition"}]}]}]},{"id":"data","name":"Data","description":"Records and properties.","layers":[{"id":"identifiers","name":"Identifiers","description":"Database entries.","findings":[{"id":"database-record","name":"Database record","description":"PubChem and ChEBI entries.","questions":[{"text":"Which database records exist?","kind":"provenance"},{"text":"Do they agree on structure?","kind":"boundary"}]}]},{"id":"properties","name":"Properties","description":"Chemical properties.","findings":[{"id":"properties","name":"Properties","description":"Measured properties.","questions":[{"text":"Which properties have been measured?","kind":"measurement"},{"text":"By which method?","kind":"provenance"}]}]}]},{"id":"research","name":"Research","description":"Reported activities.","layers":[{"id":"activities","name":"Activities","description":"Reported biological activity.","findings":[{"id":"reported-activity","name":"Reported activity","description":"Assay and result.","questions":[{"text":"Which activity was reported, in which assay?","kind":"provenance"},{"text":"Was it in cells, animals or people?","kind":"boundary"}]}]},{"id":"evidence-quality","name":"Evidence quality","description":"Strength of evidence.","findings":[{"id":"evidence","name":"Evidence","description":"Replication and reviews.","questions":[{"text":"Has the finding been replicated?","kind":"provenance"},{"text":"Is there any clinical evidence?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["classify compounds and summarise research"],"mustNot":["make therapeutic claims","give doses of extracts"],"requiresHuman":[]},"ethics":{"considerations":["honesty about preliminary research","sustainable harvesting of wild orchids"],"affectedParties":["consumers of herbal products","wild plant populations"]},"owners":{"steward":"nobody; a chemical class","roles":[],"masterSystems":["PubChem","ChEBI","natural product databases"]},"relations":[{"target":"Q114552941","type":"parent","note":"registry parent class"},{"target":"Q3561192","type":"parent","note":"registry parent class"},{"target":"plant natural product","type":"related","note":"metabolite class"},{"target":"stilbenoid","type":"related","note":"unsaturated counterpart"},{"target":"orchids, yams and liverworts","type":"related","note":"natural sources"},{"target":"dihydrophenanthrene","type":"related","note":"cyclisation products, assessed individually"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.dihydrostilbenoid","Wikidata: Q5276451 (https://www.wikidata.org/wiki/Q5276451)","CAS Registry Number: 103-29-7 parent bibenzyl only"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"required","items":["Identified by chemical structure, not by sight"]},"capabilities":{"applicability":"required","items":["decide whether a compound belongs to the group","name natural sources","find database records","summarise reported research findings with sources"]},"hazards":{"applicability":"required","items":["Unsupported health claims about plant extracts"]},"interfaces":{"applicability":"required","items":["IUPAC nomenclature of organic compounds"]},"context":{"applicability":"required","items":["Some members have documented plant defence or growth-regulating roles, such as dormancy induction; functions are established compound by compound.","simple bibenzyls","bibenzyl-type batatasins (such as batatasin III)","lunularic acid and relatives","prenylated bibenzyls","bisbibenzyls (cyclic and acyclic, such as marchantins and riccardins)"]}},"sources":[{"title":"Q5276451","url":"https://www.wikidata.org/wiki/Q5276451","note":"identity of the registry item, labels and sitelinks"},{"title":"Batatasin I","url":"https://pubchem.ncbi.nlm.nih.gov/compound/Batatasin-I","note":"a phenanthrene batatasin"},{"title":"Bis-bibenzyls from the Cameroon Liverwort Marchantia debilis","url":"https://pubmed.ncbi.nlm.nih.gov/30807033/","note":"bisbibenzyls"},{"title":"The inducible 9,10-dihydrophenanthrene pathway","url":"https://pubmed.ncbi.nlm.nih.gov/7872785/","note":"bibenzyl synthase"},{"title":"Batatasins: New dormancy-inducing substances of yam bulbils","url":"https://pubmed.ncbi.nlm.nih.gov/24473917/","note":"batatasins"}],"openQuestions":["The registry merges many individual compounds; which deserve separate entries?"],"resources":{"spec":"/models/things/publications/thing-q5276451/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q5276451/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-10-21T19:46:56Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-21T19:51:05+00:00: completeness 1.00; sense: Wikidata description; 5 live sources; review by codex: pass","interaction.properties":"A chemical class: properties belong to individual compounds."},"score":1.0}}