Please use this identifier to cite or link to this item: 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
Issue Date: 2021
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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