@article{article, title  = {{Reversibility of .eta.4-cyclobutadiene metal formation from complexed alkynes: unimolecular isomerization of labeled racemic and enantiomerically enriched .eta.5-cyclopentadienyl-.eta.4-cyclobutadiene-cobalt complexes}},

 publisher = {{American Chemical Society (ACS)}},

 url = {{https://doi.org/10.1021/ja00407a067 }},

 year = {{2002}},

 month = {{5}},

 author = {{Ville G and Vollhardt KPC and Winter MJ}},

 doi = {{10.1021/ja00407a067}},

 volume = {{103}},

 journal = {{Journal of the American Chemical Society}},

 issue = {{17}},

 pages = {{5267-5269}},

 note = {{Accessed on 2025/06/09}}}