Multi-step reaction with 10 steps
1.1: bromine / water; acetic acid / 5 h / 60 °C / Inert atmosphere
2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 9 h / 20 °C / Inert atmosphere
3.1: copper(l) iodide; sodium methylate / N,N-dimethyl-formamide / 1.67 h / 105 °C / Inert atmosphere
4.1: tributylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran; toluene / 2.5 h / Cooling with ice; Reflux; Inert atmosphere
5.1: 3-chloro-benzenecarboperoxoic acid / chloroform / 2 h / 20 °C / Cooling with ice; Inert atmosphere
6.1: acetic anhydride / 0.5 h / 80 °C
6.2: 1 h / 20 °C / Inert atmosphere; Cooling with ice
7.1: sulfur trioxide pyridine complex; triethylamine / chloroform; dimethyl sulfoxide / 0.33 h / 20 °C / Cooling with ice; Inert atmosphere
8.1: iodine; potassium hydroxide / 1 h / Cooling with ice; Inert atmosphere
9.1: sodium hydroxide / methanol; water / 2 h / 20 °C / Inert atmosphere
10.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 0.5 h / 20 °C / Inert atmosphere
With
copper(l) iodide; tributylphosphine; di-isopropyl azodicarboxylate; bromine; iodine; sodium methylate; sulfur trioxide pyridine complex; acetic anhydride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; 3-chloro-benzenecarboperoxoic acid; potassium hydroxide; sodium hydroxide;
In
tetrahydrofuran; methanol; chloroform; water; acetic acid; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;
4.1: |Mitsunobu Displacement;
DOI:10.1021/jm3010459