SCHEDULED MAINTENANCE
A regioselective synthesis of trisubstituted pyridazines from tetrazines and alkynyl sulfides is disclosed. Various pyridazines were selectively prepared by the inverse-electron-demand Diels–Alder reaction and following denitrogenation. Good transformability of sulfur-substituents allowed us to synthesize a range of pyridazines without regioisomers.
C. Yamamoto, K. Numata, M. Suzuki and S. Yoshida, Org. Chem. Front., 2024, Accepted Manuscript , DOI: 10.1039/D4QO01286K
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