η2-Alkin-Komplexe des η5-Cyclopentadienylnickel-1-norbornyls

Article abstract of DOI:10.1016/S0022-328X(96)87021-5

Cp₂Ni reacts at -50°C with 1-norLi (1-nor = 1-norbornyl = bicyclo[2.2.1]heptane-1-yl) in THF to give CpNi-1-norbornyl (3) which is stable up to -30°C. 3 reacts with alkynes to complexes of the type CpNi (1-nor)(η²-RCCR) (R = Me (5a),