Multi-step reaction with 10 steps
1.1: triethylamine; dmap / dichloromethane / 12 h / 0 - 20 °C
2.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 10 h / 0 - 20 °C
3.1: (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; acetic acid; water / toluene / 24 h / 20 °C / Cooling with ice
4.1: 2,4,6-trimethyl-pyridine; acetyl chloride / dichloromethane / 10.17 h / -78 °C
4.2: 2.17 h / 0 - 20 °C
4.3: 1 h / Inert atmosphere
5.1: copper(l) iodide / tetrahydrofuran / 0.08 h / -20 °C / Inert atmosphere
5.2: 1 h / -40 - -20 °C / Inert atmosphere
6.1: potassium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C
7.1: (R,R)-Jacobsen catalyst; acetic acid; water / toluene / 24 h / 20 °C / Cooling with ice
8.1: 2,4,6-trimethyl-pyridine; acetyl chloride / dichloromethane / 10.17 h / -78 °C
8.2: 2.17 h / 0 - 20 °C
8.3: 1 h / Inert atmosphere
9.1: copper(l) iodide / tetrahydrofuran / 1 h / -40 - 20 °C
10.1: trifluorormethanesulfonic acid / dichloromethane; cyclohexane / 2 h / 0 - 20 °C
With
2,4,6-trimethyl-pyridine; dmap; copper(l) iodide; (S,S)-[N,N-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino]cobalt(III) acetate; (R,R)-Jacobsen catalyst; trifluorormethanesulfonic acid; water; potassium hydride; acetic acid; triethylamine; acetyl chloride; 3-chloro-benzenecarboperoxoic acid;
In
tetrahydrofuran; dichloromethane; cyclohexane; toluene;
DOI:10.1021/jo301425c