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Contributions to the Chemistry of Tetraketones, II. - Reaction of 3,4-Dibenzoyl-2,5-hexanedione with Hydroxylamine
Filipovic-Marinic, Nevenka,Nalic, Gordana
, p. 199 - 201 (2007/10/02)
By treatment of 3,4-dibenzoyl-2,5-hexanedione (1) with hydroxylamine (pH ca. 8) 3-benzoyl-1-hydroxy-2-methyl-5-phenyl-1H-pyrrole (2), 1-hydroxy-3,4-bis-2,5-dimethyl-1H-pyrrole (3), and dimethyldiphenyl-4,4'-biisoxazoles as a mixture of isomers 4a and 4b were isolated from the reaction mixture.The compounds have been characterized by IR, 1H NMR, and mass spectra.
