132380-56-4Relevant articles and documents
CYCLOADDITION OF ANHYDRO BASES OF HETEROCYCLIC CATIONS. 1. SYNTHESIS OF SPIROHETARENES IN THE REACTION OF s-TETRAZINES WITH THE ANHYDRO BASES OF ACRIDINIUM, XANTHYLIUM, AND THIOXANTHYLIUM SALTS
Kovalev, E. G.,Rusinov, G. L.,Anufriev, V. A.,Egorova, L. G.
, p. 1038 - 1043 (2007/10/02)
A new method of spiro-ring formation by the reaction of s-tetrazines with anhydro bases was described.The prototropic transitions were detected in the pyridazine fragments of the resulting spirocyclic compounds.The heterocycles of the anhydro bases are co