Carboxylation of the Ni-Me Bond in an Electron-Rich Unsymmetrical PCN Pincer Nickel Complex

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Carboxylation of the Ni-Me Bond in an Electron-Rich Unsymmetrical PCN Pincer Nickel Complex. / Mousa, Abdelrazek H.; Polukeev, Alexey V.; Hansson, Josefine; Wendt, Ola F.

I: Organometallics, Vol. 39, Nr. 9, 2020, s. 1553-1560.

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

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TY - JOUR

T1 - Carboxylation of the Ni-Me Bond in an Electron-Rich Unsymmetrical PCN Pincer Nickel Complex

AU - Mousa, Abdelrazek H.

AU - Polukeev, Alexey V.

AU - Hansson, Josefine

AU - Wendt, Ola F.

PY - 2020

Y1 - 2020

N2 - The synthesis of a new unsymmetrical PCN ligand bearing tert-butyl groups on the phosphorus atom and isopropyl groups on the nitrogen donor atom is presented. It reacts with the commercially available Ni(DME)Br2 precursor to offer the corresponding t-BuPCNi-Pr pincer nickel bromide complex 1 together with a paramagnetic species, which was characterized as a tetrahedral nickel complex. Complex 1 reacts with MeMgCl to give the corresponding methyl complex 3. Carboxylation of complex 3 using 4 atm of CO2 gave the PCN nickel acetate complex 4 under mild reaction conditions comparable to those for the corresponding palladium complexes with PCP ligands.

AB - The synthesis of a new unsymmetrical PCN ligand bearing tert-butyl groups on the phosphorus atom and isopropyl groups on the nitrogen donor atom is presented. It reacts with the commercially available Ni(DME)Br2 precursor to offer the corresponding t-BuPCNi-Pr pincer nickel bromide complex 1 together with a paramagnetic species, which was characterized as a tetrahedral nickel complex. Complex 1 reacts with MeMgCl to give the corresponding methyl complex 3. Carboxylation of complex 3 using 4 atm of CO2 gave the PCN nickel acetate complex 4 under mild reaction conditions comparable to those for the corresponding palladium complexes with PCP ligands.

UR - http://www.scopus.com/inward/record.url?scp=85083297512&partnerID=8YFLogxK

U2 - 10.1021/acs.organomet.9b00817

DO - 10.1021/acs.organomet.9b00817

M3 - Article

AN - SCOPUS:85083297512

VL - 39

SP - 1553

EP - 1560

JO - Organometallics

JF - Organometallics

SN - 1520-6041

IS - 9

ER -