Multi-step reaction with 8 steps
1.1: potassium carbonate / acetone / 20 °C
2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -100 °C / Inert atmosphere
2.2: 3 h / -78 °C / Inert atmosphere
3.1: acetic acid; triacetoxy sodium borohydride / 1,2-dichloro-ethane / 20 °C
4.1: dmap / N,N-dimethyl-formamide / 2 h / 20 °C
5.1: silver trifluoroacetate; iodine / chloroform / 2.5 h / 20 °C
6.1: copper(l) iodide / N,N-dimethyl-formamide / 44 h / 80 °C / Sealed tube
7.1: hydrogenchloride / 1,4-dioxane / 0.5 h / 20 °C
8.1: acetic acid / water; 1,2-dichloro-ethane / 0.33 h / 20 °C
8.2: 20 °C
With
hydrogenchloride; dmap; copper(l) iodide; n-butyllithium; triacetoxy sodium borohydride; iodine; silver trifluoroacetate; potassium carbonate; acetic acid;
In
tetrahydrofuran; 1,4-dioxane; chloroform; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide; acetone;
DOI:10.1021/acs.jmedchem.6b01903