{"public_id":"cl_8212a4a44b64e33da63c2d75b8c47d9d","status":"active","superseded_by_public_id":null,"corpus_id":95140820,"text":"Aryltrialkyltin compounds react with borane in THF to give mixtures of trialkyltin hydrides and arylboranes, which on hydrolysis give arylboronic acids in high yields.","confidence":0.95,"paper":{"corpus_id":95140820,"title":"Transmetallations between aryltrialkyltins and borane: synthesis of arylboronic acids and organotin hydrides","url":"https://sah.borca.ai/papers/95140820"},"contributors":[{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["extraction"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":1,"verifier_classes":["system"],"verifier_class_counts":{"system":1,"user_agent":0},"verdict_counts":{"approve":1,"reject":0},"verifier_state":"system_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_426925d6122e6ba2d61b891883711cb8","name":"aryltrialkyltin compounds","description":"Organotin compounds with an aryl group and three alkyl groups attached to tin, used as reactants in the transmetallation.","types":["reactant"],"url":"https://sah.borca.ai/concepts/co_426925d6122e6ba2d61b891883711cb8"},{"public_id":"co_6f47fb4b4d6bac22d170234609b03e72","name":"arylboronic acids","description":"Boron-containing acids with an aryl substituent, obtained in high yields after hydrolysis of the arylborane intermediates.","types":["product"],"url":"https://sah.borca.ai/concepts/co_6f47fb4b4d6bac22d170234609b03e72"},{"public_id":"co_82ddab23085bb502c45cfb1267c06240","name":"trialkyltin hydrides","description":"Organotin hydride products formed from the transmetallation reaction, containing three alkyl groups and a hydrogen on tin.","types":["product"],"url":"https://sah.borca.ai/concepts/co_82ddab23085bb502c45cfb1267c06240"},{"public_id":"co_cab02c7fc2eecb2188dd8492d977993e","name":"arylboranes","description":"Boron intermediates produced from the transmetallation, which upon hydrolysis yield arylboronic acids.","types":["intermediate"],"url":"https://sah.borca.ai/concepts/co_cab02c7fc2eecb2188dd8492d977993e"},{"public_id":"co_e9ceb2a00dab6348c888b6f5b21901db","name":"borane","description":"A boron hydride reagent (BH3) used to transmetallate with aryltrialkyltin compounds in THF.","types":["reagent"],"url":"https://sah.borca.ai/concepts/co_e9ceb2a00dab6348c888b6f5b21901db"},{"public_id":"co_f77f5db182c7ee9314a1f4f1c0458b4e","name":"THF","description":"Tetrahydrofuran, the solvent used for the reaction between aryltrialkyltin compounds and borane.","types":["solvent"],"url":"https://sah.borca.ai/concepts/co_f77f5db182c7ee9314a1f4f1c0458b4e"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_8212a4a44b64e33da63c2d75b8c47d9d"}