{"corpus_id":197386247,"paper_sha":"221405510030a5d3c29419012859a88c85cc68b9","doi":"10.1002/ADSC.200390003","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2951735771,"dblp_id":null,"acl_id":null,"title":"A Novel Class of Ferrocenyl‐Aryl‐Based Diphosphine Ligands for Rh‐ and Ru‐Catalysed Enantioselective Hydrogenation","year":2003,"publication_date":null,"venue":"","journal":{"name":"Advanced Synthesis & Catalysis","pages":"160-164","volume":"345"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Chemistry"],"reference_count":0,"citation_count":169,"influential_citation_count":0,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Abstract A series of diphosphines of the novel Walphos ligand family all based on a phenylferrocenylethyl backbone were synthesised in a four‐step sequence. In the rhodium‐ or ruthenium‐catalysed asymmetric hydrogenation of olefins and ketones enantioselectivities of up to 95% and 97%, respectively, were obtained. A 2‐isopropylcinnamic acid derivative of industrial interest was hydrogenated in 95% ee and with turnover numbers of >5000.","claims":[{"public_id":"cl_aa5ec81644b32a8ed4925ea61e783454","status":"active","text":"A 2-isopropylcinnamic acid derivative of industrial interest was hydrogenated with 95% ee and turnover numbers exceeding 5000.","confidence":0.95,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"},{"id":170,"public_id":"gsgmdx9r6e","public_label":"pupuri 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