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Hydroxylamine as a nucleophile

Hydroxylcmine and hydrazines. Tertiary enaminones react as typical 1,3-biselec-trophiles with hydroxylamine as a nucleophile to give high yields of 5-alkylisoxazoles after substitution and cyclization. The obtained isoxazoles are a source of fi-ketonitriles after cleavage of the isoxazole ring by EtONa (equation 192). [Pg.597]

See other pages where Hydroxylamine as a nucleophile is mentioned: [Pg.597]    [Pg.438]   
See also in sourсe #XX -- [ Pg.120 ]

See also in sourсe #XX -- [ Pg.156 ]



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