Multi-step reaction with 7 steps
1: 29.5 percent / LiAlH4 / tetrahydrofuran / 6 h / Ambient temperature
2: 54.1 percent / K2CO3, mol. sieves 3A / ethanol / 3 h / Heating
3: 79.5 percent / I2, CF3COOAg / CHCl3 / 1 h
4: 72.5 percent / HCl / methanol / 7.5 h / Ambient temperature
5: 1) NaHCO3, 2) NaBH4 / 1) EtOH, 2 h, reflux, 2) EtOH, 2 h, reflux
6: 1) H3BO3, NaBH4, 2) pyridine / 1) MeOH, 1 h, 2) RT, 18 h
7: 1) Ph3P, (Ph3P)2NiCl2, Zn powder, KI / 1) DMF, 55 deg C, 30 min, 2) DMF, 55 deg C, 10 h
With
pyridine; hydrogenchloride; sodium tetrahydroborate; bis(triphenylphosphine)nickel(II) chloride; lithium aluminium tetrahydride; 3 A molecular sieve; iodine; boric acid; silver trifluoroacetate; sodium hydrogencarbonate; potassium carbonate; triphenylphosphine; potassium iodide; zinc;
In
tetrahydrofuran; methanol; ethanol; chloroform;
DOI:10.1248/cpb.37.1744