in dichloromethane addn. of (Me3O)BF4 to a soln. of (NBu4)(CpW(CO)(OCCMe)(CN)) in CH2Cl2 at 25°C (Ar); repeated recrystn. from ether/pentane and drying in a high vacuum;
参考文献
Sieber, Werner J.; Eberl, Karl; Wolfgruber, Mathias; Kreissl, Fritz R.
Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, 1983 , vol. 38, # 9 p. 1159 - 1160