Ligand‐Controlled Palladium‐Catalyzed Carbonylation of Alkynols: Highly Selective Synthesis of α‐Methylene‐β‐Lactones

The first general and regioselective Pd‐catalyzed cyclocarbonylation to give α‐methylene‐β‐lactones is reported. Key to the success for this process is the use of a specific sterically demanding phosphine ligand based on N‐arylated imidazole (L11) in the presence of Pd(MeCN)(2)Cl(2) as pre‐catalyst....

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Publicat a:Angew Chem Int Ed Engl
Autors principals: Ge, Yao, Ye, Fei, Liu, Jiawang, Yang, Ji, Spannenberg, Anke, Jiao, Haijun, Jackstell, Ralf, Beller, Matthias
Format: Artigo
Idioma:Inglês
Publicat: John Wiley and Sons Inc. 2020
Matèries:
Research Articles
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC7756850/
https://ncbi.nlm.nih.gov/pubmed/32573055
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/anie.202006550
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