9 research outputs found

    Synthesis of Pyridazine Derivatives. XXIII. Synthesis of Isomeric Azolopyrido (3,2-d) - and Azolopyrido (2,3-d) pyridazines

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    The synthesis of six new parent azolopyridopyridazines (I-VI) is described. Electropnilic substitutions were studied on two isomeric imidazopyrd.dopyridazines and it was found that position 3 is attacked

    Syntheses in the Pyridazine Series. XXXII. Some Investigations on Polynuclear Systems Containing a Pyridazine Ring

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    Some 5,6-dihydrobenzo[f]phthalazines have been aromatized to II and the structures of a number of nitro derivatives prepared from several polynuclear systems (III, IV, V) , have been established

    Syntheses in the Pyridazine Series. XXXII. Some Investigations on Polynuclear Systems Containing a Pyridazine Ring

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    Some 5,6-dihydrobenzo[f]phthalazines have been aromatized to II and the structures of a number of nitro derivatives prepared from several polynuclear systems (III, IV, V) , have been established

    Synthesen in der Pyridazin-Reihe, 6. Mitt.: Einige carboxylgruppenhaltige Pyridazine und Derivate

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    Synthesis of Pyridazine Derivatives. XXIII. Synthesis of Isomeric Azolopyrido (3,2-d) - and Azolopyrido (2,3-d) pyridazines

    Get PDF
    The synthesis of six new parent azolopyridopyridazines (I-VI) is described. Electropnilic substitutions were studied on two isomeric imidazopyrd.dopyridazines and it was found that position 3 is attacked
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