Multi-step reaction with 6 steps
1: sodium hypochlorite; potassium bromide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / water; dichloromethane
2: sodium tris(acetoxy)borohydride; acetic acid / 1,2-dichloro-ethane
3: N-ethyl-N,N-diisopropylamine / 150 °C
4: tin(II) chloride dihdyrate / ethanol; ethyl acetate / Reflux
5: acetonitrile; methanol; water
6: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; benzotriazol-1-ol; 4-methyl-morpholine / N,N-dimethyl-formamide
With
4-methyl-morpholine; sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tin(II) chloride dihdyrate; sodium tris(acetoxy)borohydride; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; acetic acid; N-ethyl-N,N-diisopropylamine; potassium bromide;
In
methanol; ethanol; dichloromethane; water; ethyl acetate; 1,2-dichloro-ethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.bmcl.2015.10.060