Chemistry of Heterocyclic Compounds p. 1247 - 1252 (1991)
Update date:2022-08-05
Topics:
Kovalev, E.G.
Rusinov, G.L
Aleksandrov, G.G.
Anufriev, V.A.
Sidorov, E.O.
Chernyshev, A.I.
The anhydro base of N-methylepidinium salt reacts with s-tetrazines to give spiro hetarenes with 4,5- and 1,4-dihydropyridazine structures.The regioselectivity of the cycloaddition was established.In addition to spiro annelation, intramolecular cyclizatio
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