Journal of the Chemical Society. Perkin transactions I p. 351 - 356 (1992)
Update date:2022-08-05
Topics:
Alvarez, Mercedes
Salas, Marisa
Rigat, Lluis
Veciana, Ana de
Joule, John A.
Lithiation of 1-methyl-4-quinolone and 1-methylquinoline-4-thione with lithium diisopropylamide (LDA) at -78 deg C takes place at C-2.The resulting lithio-species react with a variety of electrophiles to give 2-substituted-4-quinolones and -quinolines-4-thiones respectively. 1-Methylquinoline-4-thione is easily converted into 1-methyl-4-quinolone in protic solution.
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