Multi-step reaction with 20 steps
1.1: pyridine / 0.14 h
2.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 0.25 h / -78 °C / Inert atmosphere
2.2: 4 h / -30 °C
2.3: 0.75 h / -78 - 0 °C
3.1: diisobutylaluminium hydride / hexane; dichloromethane / 1.5 h / -78 °C
4.1: ethyl (triphenylphosphoranylidene)acetate / toluene / 16 h / 80 °C
5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2.5 h / 0 °C
6.1: trifluoroacetic acid / dichloromethane; ethanol / 1 h / 0 °C
7.1: N-ethyl-N,N-diisopropylamine; dimethyl sulfoxide / benzene; dichloromethane / 0.01 h / 0 °C / Schlenk technique
7.2: 1 h / 0 °C / Schlenk technique
8.1: L-proline / N,N-dimethyl-formamide / 18 h
9.1: pyridine / dichloromethane / 20 °C
9.2: 0.5 h
10.1: potassium hexamethylsilazane / tetrahydrofuran / 1 h / -78 °C / Schlenk technique
10.2: 3 h / -78 °C / Inert atmosphere
11.1: lithium chloride; trifuran-2-yl-phosphane; tris-(dibenzylideneacetone)dipalladium(0) / tetrahydrofuran / 3.25 h
12.1: potassium hydroxide; water / tetrahydrofuran; ethanol / 5 h / 45 °C / Inert atmosphere
13.1: 2,4,6-trichlorobenzoyl chloride; triethylamine / toluene / 1 h / Schlenk technique
13.2: 3 h / Schlenk technique
14.1: Tetrabutylammoniumsalz der Diphenylphosphinsaeure; copper(I) thiophene-2-carboxylate; triphenylphosphine / N,N-dimethyl-formamide / 2 h / 20 °C / Schlenk technique
15.1: pyridinium p-toluenesulfonate / dichloromethane; methanol / 0 °C
16.1: molybdenum catalyst / toluene / 100 °C
17.1: Zeise's dimer / diethyl ether / 0.33 h / 20 °C / Schlenk technique
18.1: pyridinium p-toluenesulfonate / benzene / 0.33 h / 20 °C
19.1: tetra-n-propylammonium perruthenate. / dichloromethane / 2 h / 20 °C
20.1: triethylamine tris(hydrogen fluoride); triethylamine / acetonitrile / 72 h / 40 °C / Schlenk technique
With
pyridine; tris-(dibenzylideneacetone)dipalladium(0); n-butyllithium; tetra-n-propylammonium perruthenate.; copper(I) thiophene-2-carboxylate; trifuran-2-yl-phosphane; Zeise's dimer; 2,4,6-trichlorobenzoyl chloride; tetrabutyl ammonium fluoride; water; pyridinium p-toluenesulfonate; potassium hexamethylsilazane; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine tris(hydrogen fluoride); triethylamine; diisopropylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; Tetrabutylammoniumsalz der Diphenylphosphinsaeure; trifluoroacetic acid; ethyl (triphenylphosphoranylidene)acetate; L-proline; lithium chloride; potassium hydroxide;
In
tetrahydrofuran; methanol; diethyl ether; ethanol; hexane; dichloromethane; N,N-dimethyl-formamide; toluene; acetonitrile; benzene;
DOI:10.1002/anie.201301700