反应条件
in diethyl ether under Ar, soln. of the Cr complex in diethyl ether treated with a 10-fold excess of butadiene at -30°C, warmed to -5°C over 12 h; evapn., extn. of the residue (pentane), cooling to -78°C, crystn., elem. anal., detn. of the diene by GC analysis;
参考文献
Polyhedron, , vol. 12, p. 2663 - 2670
