Multi-step reaction with 4 steps
1: 1.) diisopropylamine, n-bytyllithium / 1.) THF, hexane, N,N,N',N'-tetramethylethylenediamine (TMEDA), -78 deg C, 30 min, 2.) THF, hexane, N,N,N',N'-tetramethylethylenediamine (TMEDA), -78 deg C, 30 min
2: 1.) diisopropylamine, n-butyllithium / 1.) THF, N,N,N',N'-tetramethylethylenediamine (TMEDA), hexane, -78 deg C, 10 min, 2.) THF, N,N,N',N'-tetramethylethylenediamine (TMEDA), hexane
3: 1.) m-chloroperoxybenzoic acid, 2.) diisopropylamine / 1.) dichloromethane, -10 deg C, 1 h, 2.) dichloromethane, CCl4, reflux, 5 min
4: 55 percent / (diethylamino)sulfur trifluoride / CH2Cl2 / 1.) -78 deg C, 1 h, 2.) RT, 1 h
With
n-butyllithium; diethylamino-sulfur trifluoride; diisopropylamine; 3-chloro-benzenecarboperoxoic acid;
In
dichloromethane;
DOI:10.1021/jm00155a029