Multi-step reaction with 14 steps
1: 100 percent / thionyl chloride / benzene / 1.5 h / Ambient temperature
2: dimethylsulfoxide / 120 h / 45 °C
3: potassium tert-butoxide / dimethylsulfoxide; tetrahydrofuran / 0.17 h / -12 °C
4: aq. oxalic acid / tetrahydrofuran / 1 h / Heating
5: pertrifluoroacetic acid, Na2HPO4 / CH2Cl2
6: 10 percent / aq. KMnO4 / acetone / 3 h
7: 1.) triethylamine, diphenylphosphoryl azide, 2.) water / 1.) benzene, reflux, 1 h, 2.) reflux, 30 min
8: 1.) acetic anhydride, 2.) methanolic K2CO3 / 1.) 120 - 125 deg C, 2 h, 2.) room temperature, 21 h
9: 88 percent / activated manganese oxide / CHCl3 / 2 h
10: 1.) n-butyllithium, HMPA / 1.) THF, -78 - -75 deg C, 2.) THF, -75 -> 15 deg C, 40 min
11: activated manganese dioxide / CHCl3 / 1 h
12: 1.) KH / 1.) benzene, room temperature, 15 min, 2.) benzene, room temperature, 75 min
13: 60 percent / aq. sodium hydrosulfite / methanol / 3 h / Heating
14: 100 percent / methanolic sodium methoxide / 3 h / 40 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; manganese oxide; manganese(IV) oxide; potassium permanganate; sodium disulfite; disodium hydrogenphosphate; n-butyllithium; thionyl chloride; diphenylphosphoranyl azide; potassium tert-butylate; water; sodium methylate; oxalic acid; acetic anhydride; potassium hydride; potassium carbonate; triethylamine; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; dimethyl sulfoxide; acetone; benzene;
DOI:10.1021/ja00366a028