Multi-step reaction with 10 steps
1: 84 percent / Me3SiOTf / 1,2-dichloro-ethane / 3 h / 0 °C
2: p-TsOH*H2O / dimethylformamide / 20 h / 20 °C
3: 61 percent / NaH / dimethylformamide / 20 h / 20 °C
4: 77 percent / p-TsOH*H2O / methanol; dioxane / 1) 1 h, 60 deg C, 2) 45 min, 85 deg C
6: 91 percent / AgOTf, 4A moleculat sieves / 1,2-dichloro-ethane / -20 °C
7: 67 percent / 1.25N LiOH, 31percent H2O2 / tetrahydrofuran / 8 h / 0 °C
8: 98 percent / Ag2O, KI / dimethylformamide / 1) 1 h, 0 deg C, 2) 1 h, 20 deg C
9: (Ph3P)RhCl, DABCO / ethanol; acetonitrile; H2O / 72 h / Heating
10: HgCl2, HgO / acetone; H2O / 2 h / 20 °C
With
1,4-diaza-bicyclo[2.2.2]octane; lithium hydroxide; trimethylsilyl trifluoromethanesulfonate; (Ph3P)RhCl; 4 A molecular sieve; dihydrogen peroxide; silver trifluoromethanesulfonate; sodium hydride; toluene-4-sulfonic acid; potassium iodide; mercury dichloride; mercury(II) oxide; silver(l) oxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; water; 1,2-dichloro-ethane; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1016/0008-6215(93)84080-P