Method for preparing 5 and 6-nitro derived 1,2,3,4-...

Details Method for preparing 5 and 6-nitro derived 1,2,3,4-... Method for preparing 5 and 6-nitro derived 1,2,3,4-...

C - Chemistry, Metallurgy

07

C

260/236.2

C07C 50/18 (2006.01) C07C 11/00 (2006.01)

Patent

CA 1121348

ABREGE DESCRIPTIF Procédé pour la préparation des dérivés mononitrés en position 5 ou 6 de la tétrahydro-1,2,3,4 anthraquinone carac- térisé en ce que l'on soumet l'hexahydro-1,2,3,4,4a,9a anthra- cène-dione-9,10 à une nitration, au moyen d'acide nitrique ou d'un mélange d'acide nitrique et d'acide sulfurique. On obtient ainsi sélectivement et avec d'excellents rendements les dérivés monosubstitués en position 5 et 6,

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