The title compound, C12H12N4, was synthesized by the reaction of hydrazine hydrate and 9-methyl-3,4,6,7-tetrahydro-2H-xanthene-1,8(5H,9H)-dione in ethanol. In the crystal, the molecule lies across an inversion centre. The pyridazine rings are coplanar and the C6 rings adopt envelope conformations
Phenacyldimedone, acetonyldimedone and analogues of general structure 1 undergo reaction with hydraz...
In the title compound, C18H10N4, the pyrazine ring is oriented at dihedral angles of 48.08 (7) and 4...
1-(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl)-2-(2-chlorophenyl)ethanone 2 has been synthesi...
The asymmetric unit of the title compound, C16H20N4, contains two half-molecules, which are complete...
In the title compound, C22H22N2O2, the two central fused pyridazine rings have screw-boat conformati...
The title compound, C10H11N3O3, was synthesized by the reaction of 3,5-bis(ethoxycarbonyl)-2-formyl-...
The asymmetric unit of the title compound, C15H16N2O3, contains two independent molecules, which pre...
(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl) (pyridin-4-yl)methanone 2 has been synthesized t...
In the title molecule, C11H12N2O, the pyridazine ring has a skew-boat conformation. The dihedral ang...
International audienceThe title compound, C18H26Cl2N2O, was synthesized in four steps from [beta]-hi...
The title compound, C29H20N4O, is a derivative of 2H-pyrazolo[3,4-d] pyridazine and is non-planar, a...
The title compoud, C11H10N6O, was synthesized by the condensation reaction of pyrazine-2-carbohydraz...
The title compound, C18H18N2O2, was synthesized by heating 2,4-dioxo-1,3-diphenyl-7,8-benzo-6-ethyl-...
In the title compound, C27H19ClN2O, the quinoline system is planar, with a maximum deviation from th...
The title compound, C21H24N2O2, is a phenyl hydrazine derivative of the well known anthelminthic age...
Phenacyldimedone, acetonyldimedone and analogues of general structure 1 undergo reaction with hydraz...
In the title compound, C18H10N4, the pyrazine ring is oriented at dihedral angles of 48.08 (7) and 4...
1-(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl)-2-(2-chlorophenyl)ethanone 2 has been synthesi...
The asymmetric unit of the title compound, C16H20N4, contains two half-molecules, which are complete...
In the title compound, C22H22N2O2, the two central fused pyridazine rings have screw-boat conformati...
The title compound, C10H11N3O3, was synthesized by the reaction of 3,5-bis(ethoxycarbonyl)-2-formyl-...
The asymmetric unit of the title compound, C15H16N2O3, contains two independent molecules, which pre...
(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl) (pyridin-4-yl)methanone 2 has been synthesized t...
In the title molecule, C11H12N2O, the pyridazine ring has a skew-boat conformation. The dihedral ang...
International audienceThe title compound, C18H26Cl2N2O, was synthesized in four steps from [beta]-hi...
The title compound, C29H20N4O, is a derivative of 2H-pyrazolo[3,4-d] pyridazine and is non-planar, a...
The title compoud, C11H10N6O, was synthesized by the condensation reaction of pyrazine-2-carbohydraz...
The title compound, C18H18N2O2, was synthesized by heating 2,4-dioxo-1,3-diphenyl-7,8-benzo-6-ethyl-...
In the title compound, C27H19ClN2O, the quinoline system is planar, with a maximum deviation from th...
The title compound, C21H24N2O2, is a phenyl hydrazine derivative of the well known anthelminthic age...
Phenacyldimedone, acetonyldimedone and analogues of general structure 1 undergo reaction with hydraz...
In the title compound, C18H10N4, the pyrazine ring is oriented at dihedral angles of 48.08 (7) and 4...
1-(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl)-2-(2-chlorophenyl)ethanone 2 has been synthesi...
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