Multi-step reaction with 13 steps
1: diethyl ether / 0.08 h
2: 98 percent / p-TsOH / benzene / Heating
3: 43.6 g / LiAlH4 / diethyl ether / 1) -5 to 0 deg C 2) 0-10 deg C
4: 52 g / pyridine / Ambient temperature
5: 35percent HClO4 / tetrahydrofuran / 0.08 h / 0 °C
6: 1) Mg / 1) THF, 2) THF, -5 to 0 deg C
7: 47percent aqueous HBr / 0.17 h / < 0 deg C
8: 71 percent / 50percent NaOH / n-Bu4NBr / benzene / 0.67 h / Heating
9: NaOMe / methanol / 0.5 h / Ambient temperature
10: 81 percent / pyridine / 3 h / 0 °C
11: 80 percent / NaN(SiMe3)2 / 1,2-dimethoxy-ethane / Heating
12: aqueous KOH / 2-methoxy-ethanol; ethane-1,2-diol / 48 h / 170 - 175 °C
13: diethyl ether
With
pyridine; potassium hydroxide; sodium hydroxide; lithium aluminium tetrahydride; perchloric acid; hydrogen bromide; sodium methylate; sodium hexamethyldisilazane; magnesium;
tetrabutylammomium bromide; toluene-4-sulfonic acid;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; diethyl ether; 2-methoxy-ethanol; ethylene glycol; benzene;
DOI:10.1021/jo00192a007