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Laboratorios Abello SA
Original Assignee
Laboratorios Abello SA
Fabrica de Productos Quimicos y Farmaceuticos Abello SA
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Application filed by Laboratorios Abello SA, Fabrica de Productos Quimicos y Farmaceuticos Abello SAfiledCriticalLaboratorios Abello SA
Priority to ES534548ApriorityCriticalpatent/ES8602722A1/en
Publication of ES534548A0publicationCriticalpatent/ES534548A0/en
Publication of ES8602722A1publicationCriticalpatent/ES8602722A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
1-Aryl 2-(piperazin-1-yl) methyl ketones and their acid addn. salts, of formula (I), in which R1 to R4 can be various gps., are prepd. by (a) reacting a phenacyl deriv. of formula (II) in which X is a nucleophobic gp., with ammonia or other reagent to introduce an amino gp., and (b) treatment with a cpd. of formula (not given) (III) in which Z is a nucleophobic gp.
CONCENTRATED AQUEOUS SOLUTION OF AN ADJUVANT SUBSTANCE SUITABLE TO MODIFY THE PH AND TO ENHANCE THE ACTIVITY OF COMPOUNDS USED IN AGRICULTURE SUCH AS FERTILIZERS, ANTI-PEST, DEFOLIANTS AND DRYERS