Method for obtaining semi-sandwich complexes of nickel(II) with N-heterocyclic carbene ligands, preferably with six-, seven- or eight-membered heterocyclic arrangement

摘要

revealed way receive pu00f3u0142sandwiczowych nickel (ii) complexes with binding nhc, especially about a six -, seven -, and ou015bmioczu0142onowym system heterocyklicznym of general formula 1, where x is cl, br or i; ar is a group arylowu0105; n is 0, 1, 2 or 3.how is that receives them by adding to the cold solution connection nickel model [ni (x) 2 (dme)], where x = cl, br; dme = 1,2-dimethoxyethane, or [ni (dme) 2] [and] 2 in the solvent aprotycznym solution zdeprotonowanego strong principle of cyclopentadiene in the solvent aprotycznym pr na what apply 1,1 - 1,2 mmole of cyclopentadiene to 1 mol compound of nickel, the resulting mixture is mixed.then the following cold solution zdeprotonowanego strong principle in solvent aprotycznym liganda nhc precursor using 1,1 - 1.2 mole liganda nhc precursor to 1 mol compound of nickel, and the resulting mixture is in the mixing to obtain the temperature here the judgment, the vaporized solvent and the product obtained is in known manner.