Mono(alkyne)cobalt Complexes and Electron‐Rich Alkynes − The Formation of an Alkyne‐Bridged Dinuclear Cobalt Complex by a One‐Pot Procedure
作者:Daniel B. Werz、Rolf Gleiter、Frank Rominger
DOI:10.1002/ejic.200400339
日期:2004.10
[η2-Bis(tert-butylsulfonyl)acetylene](carbonyl)(η5-trimethylsilylcyclopentadienyl)cobalt (2c) proved to be reactive towards bis(telluro)- and bis(seleno)-substituted alkynes 3 and 4, respectively, to yield push-pull-substituted CpCo-stabilized cyclobutadiene complexes. By utilizing the unsymmetrical diyne 6 and the symmetrical bis(thio)-substituted triyne 7 it was shown that only the most electron-rich