Umicore CX231

Chloro[1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](1-tert-butyl-1H-inden-1-yl)palladium(II)

CAS Number: 1779569-04-8

Product class: M-P, Homogeneous Catalysts, M-C, Hazari Catalyst, Indenyl Ligands, Phosphorus Ligands - Achiral

Reaction type: Cross Coupling Reactions with Arenes, Amination, Buchwald-Hartwig Aminaton, Suzuki-Miyaura Coupling Reaction

Applications & references

Suzuki-Miyaura coupling reactions of various substrates using a weak base showing the significant outperformance of Umicore CX231 compared to Umicore CX31. The conversion of substrates with deactivating electron-donating groups and substituents in the ortho-positions is feasible.

Reference: ACS Catal. 2015, 5, 3680 (DOI: 10.1021/acscatal.5b00878)

Suzuki-Miyaura coupling reaction of both linear and cyclic alkyl trifluoroboronates salts and various aryl chlorides, including an example of a nitrogen-containing heterocycle.

Reference: ACS Catal. 2015, 5, 3680 (DOI: 10.1021/acscatal.5b00878)

Firstly reported Hiyama-Denmark reactions using aryl silanolates as nucleophiles as an alternative to Suzuki-Miyaura reactions.

Reference: Org. Lett. 2016, 18, 5784 (DOI: 10.1021/acs.orglett.6b02330)