Palladium Complexes with Aminophosphine and Aminophosphite Based PNP and PCP Pincer-type Ligands as Catalysts of Heck Reaction

• Autorzy: Benito-Garagorri D. , Kirchner K. , Trzeciak A. M. , Mieczyńska E. , Ziółkowski J. J.
• Języki publikacji: EN

Abstrakty

EN

Pd(II) complexes with aminophosphine-based PNP and PCP pincer type ligands were used as catalysts of Heck coupling of bromobenzenes and styrene at 110 graduate C. The best results were obtained with catalyst I, [Pd(PNP-Ph)Cl]Cl, where PNP = N,N'-bis(diphenyl - phosphino)-2,6-diaminopyridine. Heck reaction performed in the presence of I and [Bu4N]Br as co-catalyst produced in 5 h up to 100% of coupling products with E/Z ratio equal from 8.6 to 33.5. Palladium catalyst I was recycled and used at least 3 times with out remark able decrease of catalytic activity.

Słowa kluczowe

EN

palladium; Heck reation; picer ligand; PNP ligand

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 9
• Strony: 1687--1687
• Opis fizyczny: –1694, Bibliogr. 27 poz., rys.

Twórcy

autor

Benito-Garagorri D.

autor

Kirchner K.

autor

Trzeciak A. M.

autor

Mieczyńska E.

autor

Ziółkowski J. J.

• nstitute of Applied Synthetic Chemistry Vienna University of Technology, Getreidemarkt 9, A-1060 Vi enna, Austria,

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