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Communication | Regular issue | Vol 26, No. 2, 1987, pp.337-340
Published online, 1st January, 1970
DOI: 10.3987/R-1987-02-0337
A Novel Synthesis of Pyridazines: Inverse Electron Demand Diels-Alder Reaction of Tetrazines with Acyclic Dienamines

Dipak Ranjan Borthakur, Dipak Prajapati, and Jagir Singh Sandhu

*Division of Drug and Pharmaceutical Chemistry, Regional Research Laboratory, Jorhat 785 006, Assam, India

Abstract

Tetrazines (1) when reacted with dienamines (2) furnished, pyridazines (3) and (4) in good yields. This appears to be the first case wherein the intermediate bipyridazinea (8) have fragmented to (3) and (4) prefering rupture of carbon-carbon bond.