{"doi":"10.1002/adsc.202001433","title":"Practical Synthesis of <i>α</i>‐Trifluoromethylated Pyridines Based on Regioselective Cobalt‐Catalyzed [2+2+2] Cycloaddition using Trifluoromethylated Diynes with Nitriles","abstract":"Abstract Regioselective cobalt‐catalyzed [2+2+2] cycloaddition using fluorine‐containing diynes with nitriles was described. Cycloaddition of fluorinated diynes with nitriles under the influence of CoCl 2 (phen), zinc bromide, and zinc dust in dichloroethane at 80 °C for 3 h took place smoothly, exclusively affording the corresponding α ‐fluoroalkylated pyridines in excellent yields. In addition, dinitriles as substrate were also found to be suitable for this reaction, giving the corresponding fluoroalkylated bipyridine derivatives in excellent yields. magnified image","journal":"Advanced Synthesis & Catalysis","year":2021,"id":189668,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":14,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9464,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":752440,"name":"Shigeyuki Yamada","orcid":"0000-0002-6379-0447","position":1,"is_corresponding":false},{"id":752441,"name":"Tomohiro Agou","orcid":"0000-0002-9133-190X","position":2,"is_corresponding":false},{"id":752442,"name":"Hiroki Fukumoto","orcid":"0000-0002-7066-3411","position":3,"is_corresponding":false},{"id":752443,"name":"Toshio Kubota","orcid":"0000-0001-5081-5230","position":4,"is_corresponding":false},{"id":353818,"name":"Gerald B. Hammond","orcid":"0000-0002-9814-5536","position":5,"is_corresponding":false},{"id":752444,"name":"Tsutomu Konno","orcid":"0000-0002-5146-9840","position":6,"is_corresponding":false},{"id":752439,"name":"Tatsuya Kumon","orcid":"0000-0003-0862-1218","position":0,"is_corresponding":true}],"reference_count":41,"raw_metadata":null,"created_at":"2026-07-18T23:49:18.604374Z","pmid":"34305500","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}