W(CO)6 in chlorobenzene 30 h; Heating;

W(CO)6 in chlorobenzene 30 h; Heating;

1: liq. NH3 2: POCl3, Py View Scheme

hydrazine hydrate

1: aq. KOH 2: (i) SOCl2, (ii) /BRN= 1209235/ View Scheme

1: N2H4*H2O View Scheme

1: 1.) lithium di-isopropylamide / 1.) hexane/THF, 0 deg C, 2.) THF, 0 deg C, 30 min; room temperature, 48 h 2: 1.) 50 percent sodium hyride, 2.) lithium aluminium hydride / 1.) THF/oil, 0.5 h, 2.) 3 h 3: 87 percent / toluene-p-sulphonic acid monohydrate / benzene / 144 h / Heating View Scheme