{"corpus_id":95314596,"paper_sha":"7e990bb86ee1a833f5310002b061e6a591821c68","doi":"10.1002/ANIE.198405791","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2040702384,"dblp_id":null,"acl_id":null,"title":"Mercury(II)‐ and Palladium(II)‐Catalyzed [3,3]‐Sigmatropic Rearrangements [New Synthetic Methods (46)]","year":1984,"publication_date":"1984-08-01","venue":"","journal":{"name":"Angewandte Chemie","pages":"579-586","volume":"23"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Chemistry"],"reference_count":63,"citation_count":222,"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 Mercury(II) and palladium(II) salts have found broad applications as catalysts for [3,3]‐sigmatropic rearrangements leading to formation of CO, CN, CS, and CC σ bonds. Increases in reaction rate are often very large (10 10 – 10 14 at 1 M catalyst concentration) and allow many previously difficult transformations to be conducted at or near room temperature, often with attendant increases in stereoselectivity and decreases in by‐product formation. The mechanism of these catalyzed transformations is briefly discussed, and evidence is summarized to suggest that many follow a cyclization‐induced rearrangement mechanism.","claims":[{"public_id":"cl_98a8dc3ff9b506e85548156a48604d5e","status":"active","text":"At 1 M catalyst concentration, these catalyzed transformations often show reaction-rate increases of 10^10 to 10^14, enabling many previously difficult transformations at or near room temperature with improved stereoselectivity and reduced by-product formation.","confidence":0.93,"contributors":[{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous (b2adb6bfad)","roles":["extraction"],"url":"https://sah.borca.ai/u/b2adb6bfad"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous 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