Multi-step reaction with 6 steps
1: 96 percent / NBS / tetrahydrofuran / 1.) -78 deg C, 3 h, 2.) 20 deg C, 20 h
2: 98 percent / N2H4*H2O, FeCl3*H2O, activated carbon / methanol / Heating
3: 81 percent / pyridine / 3 h / 80 °C
4: 80 percent / NaH, nBu4NI / tetrahydrofuran / 1.) 50 deg C, 1 h, 2.) reflux, 5 h
5: 1.) tBuLi, Cp2ZrMeCl, 2.) I2 / 1.) THF, hexane, -78deg C, 1 h; 20 deg C, 18 h, 2.) THF, hexane, CH2Cl2, 0 deg C, 1 h; 20 deg C, 36 h
6: 95 percent / Ag2O/SiO2, H2O / acetone / 48 h / 20 °C
With
pyridine; N-Bromosuccinimide; zirconocene methyl chloride; water; iodine; tert.-butyl lithium; silica gel; iron(III) chloride; tetra-(n-butyl)ammonium iodide; sodium hydride; pyrographite; hydrazine hydrate; silver(l) oxide;
In
tetrahydrofuran; methanol; acetone;
DOI:10.1002/(SICI)1521-3765(19980807)4:8<1554::AID-CHEM1554>3.0.CO;2-J