Помогите, пожалуйста, с публикацией:
Tetrahedron, 1988, vol. 44, issue 11, pp. 3119-3126
1,3-Dipolar cycloaddition reactions of pyrazolidinium ylides with vinyl sulfones. A regioselective synthesis of bicyclic pyrazolidinone antibacterial agents
Louis N. Jungheim, Charles J. Barnett, Joseph E. Gray, Linus H. Horcher, Timothy A. Shepherd and Sandra K. Sigmund
- DOI:
http://dx.doi.org/10.1016/S0040-4020(01)85943-3