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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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Filing date
Publication date
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES0245484ApriorityCriticalpatent/ES245484A1/en
Publication of ES245484A1publicationCriticalpatent/ES245484A1/en
A method of preparing a phosphate ester of the general formula ** (See formula) ** characterized in that a dialkyl phosphorocloruroticate of the formula is reacted ** (See formula) ** with a hydroxypyrazine or alkali metal salt thereof, of formula ** (See formula) ** in an inert solvent, and the phosphate ester thus formed is recovered from the reaction mixture, where R and R 'represent low molecular weight alkyl radicals, and X, Y and Z represent hydrogen or halogen atoms, or phenyl or low molecular weight alkyl. (Machine-translation by Google Translate, not legally binding)
ES0245484A1958-11-211958-11-21A method of preparing an esterphosphate (Machine-translation by Google Translate, not legally binding)
ExpiredES245484A1
(en)
A procedure for the obtaining of phosphoric esters applicable for the preparation of parasiticide compositions (Machine-translation by Google Translate, not legally binding)