Multi-step reaction with 8 steps
1: 95 percent / 45percent hydrogen bromide / acetic acid; CH2Cl2 / 0.75 h
2: tetraethylammonium bromide, sym-collidine, 4 Angstroem molecular sieves / nitromethane; methanol / 10 h / Ambient temperature
3: methanol / 0.75 h
4: sodium hydride (50percent dispersion in oil) / dimethylformamide / 0.5 h
5: 93 percent / tetraethylammonium bromide, 4 Angstroem molecular sieves / CH2Cl2 / 0.75 h / Ambient temperature
6: 80 percent / mercuric cyanide, powdered calcium sulfate, 4 Angstroem molecular sieves / toluene; nitromethane / 0.33 h / Ambient temperature
7: 93 percent / sodium cyanoborohydride, 3 Angstroem molecular sieves, methyl orange, HCl / tetrahydrofuran; diethyl ether / 0 °C
8: 90 percent / 0.17N sodium methoxide / methanol / 16 h
With
2,4,6-trimethyl-pyridine; hydrogenchloride; calcium sulfate; 3 A molecular sieve; 4 A molecular sieve; tetraethylammonium bromide; hydrogen bromide; sodium methylate; methyl orange; mercury(II) cyanide; sodium hydride; sodium cyanoborohydride;
In
tetrahydrofuran; methanol; diethyl ether; nitromethane; dichloromethane; acetic acid; N,N-dimethyl-formamide; toluene;