in tetrahydrofuran
adding THF soln. of benzophenone ketyl (prepd. by dissolving Na and benzophenone in THF) to mixt. of PPh3 and Fe(CO)5, refluxing (stirring, N2, 5 h), removing volatiles in vacuo, adding heptane, boiling (open air); quickly filtering hot mixt. (N2), crystn. (-30°C, 12 h, N2), washing (pentane, -30°C), drying (vacuum);
参考文献
Ellis, John E.; Chen, Yu-Sen
Organometallics, 1989 , vol. 8, p. 1350 - 1361
