Multi-step reaction with 4 steps
1.1: magnesium / tetrahydrofuran / 1.5 h / Reflux
1.2: 3 h / Reflux
2.1: ammonium hydroxide; copper(II) acetate monohydrate / tetrahydrofuran; methanol / 2 h
3.1: (-)-chloro((1R,2R)-4,4',6,6'-tetra-tert-butyl-2,2'-[cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolato)manganese(III); di-tert-butyl peroxide / ethanol; toluene / 0.17 h / Inert atmosphere
3.2: 18 h / Inert atmosphere
4.1: caesium carbonate / N,N,N,N,N,N-hexamethylphosphoric triamide / 48 h / 20 °C
With
ammonium hydroxide; (-)-chloro((1R,2R)-4,4',6,6'-tetra-tert-butyl-2,2'-[cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolato)manganese(III); di-tert-butyl peroxide; copper(II) acetate monohydrate; caesium carbonate; magnesium;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethanol; toluene;
DOI:10.1002/pola.24126