Abstract
The reaction of 3-methyl-4-oxo-4,5,6,7-tetrahydroindazoles with benzaldehydes gave 5-benzylidene-3-methyl-4-oxo-4,5,6,7-tetrahydroindazoles. Under Mannich conditions, 3-methyl-1-phenyl-4,5,6,7-tetrahydroindazole gave 5-aminomethyl-3-methyl-4-oxo-1-phenyl-4,5,6,7-tetrahydroindazoles.
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Strakova, I.A., Strakov, A.Y. & Petrova, M.V. 5-Benzylidene- and 5-Aminomethyl-4-oxo-4,5,6,7-tetrahydroindazoles. Chemistry of Heterocyclic Compounds 37, 305–308 (2001). https://doi.org/10.1023/A:1017550931401
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DOI: https://doi.org/10.1023/A:1017550931401