Pyridazines 82[1]. Synthesis of Pyridazi
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Gottfried Heinisch; Elisabeth Huber; Barbara Matuszczak; Astrid Maurer; Ulrike P
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Article
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1997
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John Wiley and Sons
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English
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Starting from 3,6-dichloro-N-(2-chloro-5-nitrophenyl)-pyridazine-4-carboxamide (7) a series of 6,11-dialkylated pyridazino- [3,4-b][1,5]benzodiazepin-5-ones with a 3-chloro-8-nitro, 8-amino, 8-acetylamino, or 8-chloro substitution pattern was prepared via N-alkyl-3-alkylamino-6-chloro-N-(2-chloro-5-