in toluene under inert atm.; Zr-complex was dissolved in toluene, soln. of trichloroacetyl chloride in toluene was added, 1 h; petroleum ether was added, ppt. filtered off, recrystd. from THF and pentane, 2 d;
参考文献
Green, Jennifer C.; Green, Malcolm L. H.; Taylor, Grant C.; Saunders, John
Journal of the Chemical Society, Dalton Transactions, 2000 , # 3 p. 317 - 327