Multi-step reaction with 8 steps
1: tris-(dibenzylideneacetone)dipalladium(0); potassium acetate; tricyclohexylphosphine / 1,4-dioxane / 16 h / 90 °C / Inert atmosphere
2: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / water; 1,2-dimethoxyethane / 16 h / 80 °C / Inert atmosphere
3: lithium chloride; N,N,N,N,N,N-hexamethylphosphoric triamide / 16 h / 110 °C / Inert atmosphere
4: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 20 h / 20 °C / Cooling with ice
5: ammonium formate; palladium 10% on activated carbon / methanol; tetrahydrofuran / 27 h / 20 °C / Inert atmosphere
6: acetic acid; 2-picoline borane complex / tetrahydrofuran
7: trifluoroacetic acid / chloroform / 48 h / 20 °C / Cooling with ice
8: toluene-4-sulfonic acid / dichloromethane / 0.33 h / 20 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; tris-(dibenzylideneacetone)dipalladium(0); tetrakis(triphenylphosphine) palladium(0); 2-picoline borane complex; di-isopropyl azodicarboxylate; palladium 10% on activated carbon; ammonium formate; potassium acetate; potassium carbonate; toluene-4-sulfonic acid; acetic acid; triphenylphosphine; trifluoroacetic acid; lithium chloride; tricyclohexylphosphine;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; dichloromethane; chloroform; water;