Design and Facile Synthesis of Spiro-s-tetrazine Derivatives of 2,4- diphenyl-3-azabicyclo[3.3.1]nonane-9-one.

Background: Literature survey suggested various methods of synthesis of the 3- azabicyclo [3.3.1] nonanes which include, Mannich reaction, α, α'-Annelation of Cyclic Ketones or through Enamines, Michael addition, Intramolecular Cyclizations, etc.