Multi-step reaction with 14 steps
1.1: triethylamine / dichloromethane / 2 h / -20 - 20 °C
2.1: potassium hydroxide; water / dichloromethane / 2 h / -20 - 20 °C
2.2: 15 h / 20 °C
3.1: triethylamine; dmap / dichloromethane / 3 h / 20 °C
4.1: sodium tetrahydroborate / methanol / 3 h / 0 - 20 °C
5.1: triethylamine; dmap / dichloromethane / 0.5 h / 0 °C
6.1: sodium tetrahydroborate; selenium / methanol; tetrahydrofuran / 15 h / 70 °C
7.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 0.75 h / -78 °C
8.1: triethylamine; trimethylsilyl trifluoromethanesulfonate / toluene / 1 h / 20 °C
8.2: 15.33 h / 0 - 20 °C
9.1: trifluoroacetic acid / tetrahydrofuran; water / 15 h / 0 - 20 °C
10.1: pyridine / 3 h / 0 - 20 °C
11.1: triethylamine; dmap / dichloromethane / 0.5 h / 0 °C
12.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / acetone / 0.75 h / 20 °C
13.1: triethylamine; triethylamine tris(hydrogen fluoride) / tetrahydrofuran / 1.5 h / 0 - 20 °C
14.1: dmap; pyridine / 15 h / 20 - 55 °C
With
pyridine; dmap; selenium; sodium tetrahydroborate; trimethylsilyl trifluoromethanesulfonate; water; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine tris(hydrogen fluoride); triethylamine; 3-chloro-benzenecarboperoxoic acid; trifluoroacetic acid; potassium hydroxide;
In
tetrahydrofuran; methanol; dichloromethane; water; acetone; toluene;
8.2: |Pummerer Sulfoxide Rearrangement;
DOI:10.1016/j.ejmech.2014.06.031