65628-41-3Relevant articles and documents
Organocatalytic γ′[C(sp 3)-H] Functionalization of Ynones: An Unusual Approach for the Cyclopentannulation of Benzothiophenes
Grover, Jagdeep,Raghu, Moluguri,Hazra, Raju,Mondal, Atanu,Ramasastry
, p. 1462 - 1470 (2018/01/27)
An efficient organocatalytic approach for the cyclopenta[ b ]annulation of benzothiophenes via γ′[C(sp 3)-H] functionalization of ynones is described. Nucleophilic addition of an organophosphine to the designed ynones generates heteroaryl-based ortho -quinodimethanes (oQDMs), which undergo carbocyclization to provide a variety of cyclopenta-fused benzothiophenes. This approach also constitutes an unusual organophosphine-catalyzed intramolecular hydroalkylation of ynones.
Efficient 1,2-addition of aryl- and alkenylboronic acids to aldehydes catalyzed by the palladium/thioether-imidazolinium chloride system
Kuriyama, Masami,Shimazawa, Rumiko,Shirai, Ryuichi
, p. 1597 - 1600 (2008/09/17)
(Chemical Equation Presented) The high level of catalyst performance was attainable in the palladium-catalyzed 1,2-addition of aryl-, heteroaryl-, and alkenylboronic acids to aromatic, heteroaromatic, and aliphatic aldehydes using thioether-imidazolinium chloride L5 as a heterobidentate carbene ligand precursor.
