反应条件
in dichloromethane Ar atmosphere; addn. of triethyloxonium tetrafluoroboratein CH2Cl2 to soln. of Zr,W-complex (0°C, 10 min), stirring (0°C, 0.5 h); evapn. (vac.), addn. of n-hexane, stirring (1 h), filtration, pptn. of W(CO)6 on concn., sepn. of W(CO)6 (filtration off), crystn. of W(CO)6 on cooling (-30°C), decantation, evapn. of soln., mixt. of cis-/trans-isomers 40:60; elem. anal.;
参考文献
Erker, Gerhard; Sosna, Friedrich
Organometallics, 1990 , vol. 9, p. 1949 - 1953
