Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sociedad Espanola de Especialidades Farmaco Terapeuticas SA
Original Assignee
Sociedad Espanola de Especialidades Farmaco Terapeuticas SA
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Filing date
Publication date
Application filed by Sociedad Espanola de Especialidades Farmaco Terapeuticas SAfiledCriticalSociedad Espanola de Especialidades Farmaco Terapeuticas SA
Priority to ES544159ApriorityCriticalpatent/ES8604088A1/en
Publication of ES544159A0publicationCriticalpatent/ES544159A0/en
Publication of ES8604088A1publicationCriticalpatent/ES8604088A1/en
Platinum cis-diamino (1,1-cyclobutane dicarboxylate) of formula (I) is made by (a) reaction of cis-diamino dibromo platinum with an aq. soln. of silver sulphate at ambient temp., filtration of the silver bromide ppte. and concn. of the filtrate to half the volume; (b) reaction with an aq. soln. of barium 1,1-cyclobutane dicarboxylate at ambient temp.; (c) removal of the barium sulphate by filtration; and (d) elimination of the water from the filtrate.
ES544159A1985-06-141985-06-14Platinum complex with cyclobutane di:carboxylic acid
ExpiredES8604088A1
(en)
Purification of reaction mixture produced on manufacturing 2,3-epoxypropyltrialkylammonium chloride by treating chlorohydroxypropyltrialkylammonium chloride with alkali functional substance in aqueous medium