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https://hdl.handle.net/11147/11816
Title: | Rhodium(I)-catalyzed CO-gas-free arylative dual-carbonylation of alkynes with arylboronic acids via the formyl C-H activation of formaldehyde | Authors: | Morimoto, Tsumoru Wang, Chuang Tanimoto, Hiroki Artok, Levent Kakiuchi, Kiyomi |
Keywords: | C-H activation Decarbonylation Rhodium Formaldehyde Gamma-butenolides Alkynes Arylboronic acids |
Publisher: | Georg Thieme Verlag | Abstract: | The rhodium(I)-catalyzed reaction of alkynes with aryl-boronic acids in the presence of formaldehyde results in a CO-gas-free arylative dual-carbonylation to produce gamma-butenolide derivatives. The simultaneous loading of phosphine-ligated and phosphine-free rhodium(I) complexes is required for efficient catalysis. The former complex catalyzes the abstraction of a carbonyl moiety from formaldehyde through the activation of its formyl C-H bond (decarbonylation) and the latter catalyzes the subsequent dual-incorporation of the resulting carbonyl unit (carbonylation). The use of larger amounts of the phosphine-ligated rhodium(I) complex generates more carbonyl units, leading to the formation gamma-butenolides via the dual-incorporation of the carbonyl unit. | URI: | https://doi.org/10.1055/a-1468-8377 https://hdl.handle.net/11147/11816 |
ISSN: | 0039-7881 1437-210X |
Appears in Collections: | Chemistry / Kimya Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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morimoto2021.pdf | 476.38 kB | Adobe PDF | View/Open |
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