142987-64-2Relevant articles and documents
CYCLOADDITION OF ANHYDRO BASES OF HETEROCYCLIC CATIONS. 2. SYNTHESIS OF SPIROCYCLIC AND CARCASS STRUCTURES IN THE REACTION OF s-TETRAZINES WITH THE ANHYDRO BASE OF QUATERNARY LEPIDINIUM SALT
Kovalev, E.G.,Rusinov, G.L,Aleksandrov, G.G.,Anufriev, V.A.,Sidorov, E.O.,Chernyshev, A.I.
, p. 1247 - 1252 (2007/10/02)
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