Multi-step reaction with 11 steps
1.1: sodium hydride / toluene; various solvent(s) / 0.08 h
1.2: 86 percent / iodine / toluene; various solvent(s) / 16 h / 20 °C
2.1: 48 percent / potassium carbonate / acetone / 16 h / Heating
3.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C
3.2: 22 percent / tetrahydrofuran; hexane / 2 h
4.1: 60 percent / LiCl; triethylamine / tetrahydrofuran / 3.33 h / 5 - 20 °C
5.1: 97 percent / (-)-chlorodiisopinocampheylborane / tetrahydrofuran / 20.5 h / -20 - 20 °C
6.1: 77 percent / potassium carbonate / methanol / 2 h / 20 °C
7.1: 98 percent / p-toluenesulfonic acid / CH2Cl2; tetrahydrofuran
8.1: 85 percent / DIBAL-H / tetrahydrofuran; toluene / 1 h / -78 °C
9.1: potassium tert-butoxide / tetrahydrofuran / 0.17 h
9.2: tetrahydrofuran / 0.75 h / 0 - 20 °C
10.1: 2.36 g / 1,8-diazabicyclo[5.4.0]undec-7-ene / acetone / 18 h
11.1: 49 percent / HCl / methanol; H2O / 1.75 h
With
hydrogenchloride; n-butyllithium; potassium tert-butylate; sodium hydride; diisobutylaluminium hydride; potassium carbonate; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; (-)-diisopinocamphenylborane chloride; lithium chloride;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; acetone; toluene;
DOI:10.1002/jlcr.441