反应条件
in tetrahydrofuran byproducts: C2H4; all manipulations under Ar; slow addn. of the acetylene derivative to a soln. of (PPh3)2Ni(C2H4) at room temp., stirring at 25°C for 0.5 h, heating at 40-50°C until the evolution of gas stopped; filtration, addn. of n-hexane, crystn. on cooling to -40°C or -78°C for 2-5 d), the ppt. was filtered off, washed with cold n-hexane twice, and dried under vac.; elem. anal.;
参考文献
Bartik, Tamas; Happ, Berit; Iglewsky, Marek; Bandmann, Heinz; Boese, Roland; et al.
Organometallics, 1992 , vol. 11, p. 1235 - 1241
