Heterocyclisations de sels d'iminium provenant de quelques β-amino-β-lactames et de leurs derives gem-difonctionnels
摘要:
Beta-amino-beta-lactams and their gem-difunctional derivatives of two series (1-benzoazepine and linear analog) lead stereospecifically to two types of heterocycles in strong acidic medium. Iminium ions and benzylic carbocations are proposed as reactive intermediates.
Beta-amino-beta-lactams and their gem-difunctional derivatives of two series (1-benzoazepine and linear analog) lead stereospecifically to two types of heterocycles in strong acidic medium. Iminium ions and benzylic carbocations are proposed as reactive intermediates.
Tomasi; Eifler-Lima; Le Roch, Pharmaceutical Sciences, 1997, vol. 3, # 5-6, p. 241 - 247