@article{article, title  = {{1,3-Dipolar cycloaddition reactions of pyrazolidinium ylides with vinyl sulfones. A regioselective synthesis of bicyclic pyrazolidinone antibacterial agents}},

 publisher = {{Elsevier BV}},

 url = {{https://doi.org/10.1016/s0040-4020(01)85943-3 }},

 year = {{1988}},

 month = {{1}},

 author = {{Jungheim LN and Barnett CJ and Gray JE and Horcher LH and Shepherd TA and Sigmund SK}},

 doi = {{10.1016/s0040-4020(01)85943-3}},

 volume = {{44}},

 journal = {{Tetrahedron}},

 issue = {{11}},

 pages = {{3119-3126}},

 note = {{Accessed on 2025/11/25}}}