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Steric control of reactivity: formation of oximes, benzodiazepinone n-oxides and isoxazoloquinolinones
(Royal Society of Chemistry (RSC), 1998-01-01)
Reaction of the alkenyl carbonyl compounds 1 with hydroxylamine can lead to the formation of the oximes 2, the benzodiazepinone N-oxides 3 or the isoxazoloquinolinones 5. The product(s) of reaction are shown to depend on ...
Preparation of imidazo[1,2-c]pyrimidinones from a chloropyrimidine and an electron poor ω-allylic amine
(Royal Society of Chemistry (RSC), 1998-01-01)
Synthesis of the title ring system by a sequential intermolecular nucleophilic displacement and intramolecular 'conjugate' addition has been achieved both as a one pot and as a stepwise procedure; an X-ray structure ...