Novel Ring Systems: Spiro[Cycloalkane] Derivatives of Triazolo- and Tetrazolo-Pyridazines (original) (raw)

Synthesis of [1,2,4]triazolo[4′′,3′′:1′,6′]pyrimido[4′,5′:3,4]pyridazino[1,6-d] [1,2,4]triazine; a novel tetracyclic system

Journal of Chemical Research, 2015

Novel Syntheses of 5-Aminothieno[2,3-c]pyridazine, Pyrimido[4′,5′:4,5]thieno[2,3-c]pyridazine, Pyridazino[4′,3′:4,5]thieno[3,2-d][1,2,3]triazine and Phthalazine Derivatives

ChemInform, 2003

An Efficient Single Step Synthesis of Pyridazine, Pyrazolo[5,1-c]-1,2,4-triazine, 1,2,4-Triazolo[5,1-c]-1,2,4-triazine and 1,2,4-Triazino[4,3-a]benzimidazole Derivatives

HETEROCYCLES, 2009

Reactions of Hydrazonoyl Halides 47 1 : Synthesis of Some New 2,3-dihydro-1,3,4-thiadiazoles, Triazolo[4, 3- a ]pyrimidines, and Pyrazolo[3, 4- d ]pyridazines with Expected Biological Activity

Phosphorus, Sulfur, and Silicon and the Related Elements, 2006

Synthesis of 1,2,4-Triazol-3-ylmethyl-, 1,3,4-Oxa-, and -Thiadiazol-2-ylmethyl-1H-[1,2,3]-triazolo[4,5-d]pyrimidinediones

Monatshefte für Chemie - Chemical Monthly, 2007

SYNTHESIS OF NOVEL [1,2,4]TRIAZOLO[3,4-B][1,3,4]THIADIAZOLE-6(5H)-THIONE, 5,8-DIHYDRO-[1,2,4] TRIAZOLO[4,3-B][1,2,4,5]TETRAZINE AND 5,10-DIHYDRO -[1,2,4]TRIAZOLO[4,3-B][1,2,4] BENZOTRIAZINE DERIVATIVES AND STUDY THEIR BIOLOGICAL ACTIVITY.