{"doi":"10.1002/anie.202318876","title":"Green Light Promoted Iridium(III)/Copper(I)‐Catalyzed Addition of Alkynes to Aziridinoquinoxalines Through the Intermediacy of Azomethine Ylides","abstract":"Abstract This manuscript describes the development of alkyne addition to the aziridine moiety of aziridinoquinoxalines using dual Ir(III)/Cu(I) catalytic system under green light‐emitting diode (LED) photolysis (λ max =525 nm). This mild method features high levels of chemo‐ and regioselectivity and was used to generate 30 highly functionalized substituted dihydroquinoxalines in 36–98 % yield. This transformation was also carried asymmetrically using phthalazinamine‐based chiral ligand to provide 9 chiral addition products in 96 : 4 to 86 : 14 e.r. The experimental and quantum chemical explorations of this reaction suggest a mechanism that involves Ir(III)‐catalyzed triplet energy transfer followed by a ring‐opening reaction ultimately leading to the formation of azomethine ylide intermediates. These azomethine intermediates undergo sequential protonation/copper(I) acetylide addition to provide the products.","journal":"Angewandte Chemie International Edition","year":2024,"id":463524,"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":5,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9466,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1167518,"name":"S. Parikh","orcid":"0009-0003-4815-2142","position":1,"is_corresponding":false},{"id":1294319,"name":"Yin‐Jia Jhang","orcid":null,"position":2,"is_corresponding":false},{"id":449196,"name":"Richard J. Staples","orcid":"0000-0003-2760-769X","position":3,"is_corresponding":false},{"id":343751,"name":"Paul M. Zimmerman","orcid":"0000-0002-7444-1314","position":4,"is_corresponding":false},{"id":339047,"name":"Pavel Nagorny","orcid":"0000-0002-7043-984X","position":5,"is_corresponding":false},{"id":1179238,"name":"Oleksii Zhelavskyi","orcid":"0000-0002-9240-8446","position":0,"is_corresponding":true}],"reference_count":120,"raw_metadata":null,"created_at":"2026-07-19T02:04:33.257852Z","pmid":"38267370","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":[]}