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- W2004694311 abstract "Au cours de la condensation des β-dicetones α-bromees sur l'amino-2 thiazole et la mercapto-2 imidazoline, la formation d'acetyl (ou benzoyl) imino-2 acetonyl (ou phenacyl)-3 thiazolines et d'acetyl (ou benzoyl)-1 acetonyl (ou phenacyl) thio-2 imidazolines est observee. L'obtention de ces composes resulte d'un rearrangement apres ouverture, par attaque nucleophile, d'une carbinolamine intermediaire. Ce rearrangement est univoque dans le cas de β-dicetone dis-symetrique.Formation of 2-acetyl- (ro benzoyl-) imino-3-acetonyl- (or phenacyl-)-thiazolines and l-acetyl- (or benzoyl-)-2-acetonyl- (or phenacy l)-thioimidazolines by the action of α-halogenated β-di-ketones on 2-aminothiazole and 2-mercaptoimidazoline has been observed.These compounds resulted by nucleophilic attack followed by rearrangement and then cleavage of the intermediate carbinolamine. A dissymmetrical βdiketone rearranged unequivocally." @default.
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- W2004694311 date "1979-09-01" @default.
- W2004694311 modified "2023-10-16" @default.
- W2004694311 title "Dérivés de l'imidazo[2,1-b] thiazole. IV. Réarrangements au cours de la condensation de β-dicétones α-bromées avec l'amino-2 thiazole et la mercapto-2 imidazoline" @default.
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- W2004694311 doi "https://doi.org/10.1002/jhet.5570160622" @default.
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