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COPPER (II) IONS IN ORGANIC SYNTHESIS. II. REGENERATION OF CARBONYL COMPOUNDS FROM TOSYLHYDRAZONES BY HYDROLYSIS IN THE PRESENCE OF CUPRIC SULPHATE PENTAHYDRATEATTANASI O; GASPERONI S.1978; GAZZ. CHIM. ITAL.; ITA; DA. 1978; VOL. 108; NO 3-4; PP. 137-138; BIBL. 4 REF.Article