Process for the preparation of cyclic sulfates

Details Process for the preparation of cyclic sulfates Process for the preparation of cyclic sulfates

C - Chemistry, Metallurgy

07

D

260/328, 260/328

C07D 327/10 (2006.01)

Patent

CA 1322375

BREVET D'INVENTION PROCEDE DE PREPARATION DE SULFATES CYCLIQUES RHONE-POULENC SANTE ABREGE Procédé de préparation de sulfates cycliques de formule générale (I) par oxydation d'un sulfite cyclique de formule générale (II) au moyen d'un hypohalogénite alcalin ou alcalino-terreux et d'une quantité catalytique d'un dérivé du ruthénium (RuO2, RUCl3). Dans les formules générales (I) et (II), R1, R2, R3, R4, R5 et R6, identiques ou différents, représentent hydrogène, halogène, alkyle, alkoxy, aryle, aryloxy ou alkoxycarbonyle. Image Image (I) (II)

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