in toluene (N2); cocondensation of Cr, bimesityl and benzene during 1 h from a conic W-wire spiral and separation of heatable bimesityl and benzene vapour source in a static, evacuated reactor (cooled by N2(l)); warming to room temp.; addn. of solvent; filtration (silica gel); evapn. of solvent; sublimation of bimesityl, and compound 6 at 80°C; sublimation of compound 5 between 90-110°C; sublimation of complex 2 at 180°C;
参考文献
Elschenbroich, Ch.; Schneider, Joerg; Burdorf, Heike
Journal of Organometallic Chemistry, 1990 , vol. 391, # 2 p. 195 - 208