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- W1985587497 abstract "La coupure, en milieu alcalin, de la benzopyranno[1][2,3-b]quinoxalinone-12 conduit à l′(o-hydroxybenzoyl)-3 1H-quinoxalinone-2. Cette cétone réagit avec l′hydroxylamine et avec la phénylhydrazine pour donner, selon les conditions de la réaction, soit les dérivés caractéristiques attendus, soit ceux de la benzopyrannoquinoxalinone. La réduction de la benzopyranno[1][2,3-b]quinoxalinone-12 n'est pas réalisable par les méthodes chimiques. Par contre, par voie électrochimique, il est possible d'accéder à un composé dihydrogéné sur le noyau pyrazinique. Under basic conditions. [1]benzopyrano[2,3-b]quioxakin-12-one leads to 3-(i-hydroxybenzoy1)-1H-quinoxalin-2-one. This ketone reacts with hydroxylamine and phenylhydrazine to give the expected derivatives or those of [1]benzopyrano92,3-b]quinoxalin-12-one. The reduction of [1]benzopyrano[2,3-b]quinoxalin-12-one was unsucessful by chemical means. However, electrochemical reduction leads to a dihydropyrazine nucleus." @default.
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- W1985587497 date "1983-11-01" @default.
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- W1985587497 title "Propriétés de la benzopyranno[1][2,3-b]quinoxalinone-12" @default.
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- W1985587497 doi "https://doi.org/10.1002/jhet.5570200642" @default.
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