Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Volker Kirsch0
Date of Patent
June 26, 2007
0Patent Application Number
111408120
Date Filed
May 31, 2005
0Patent Primary Examiner
Patent abstract
Phosphoric acid diester 2,5-dioxo-4,4-diphenylimidazolidin-1-ylmethyl esters, both of whose ester groups can be selectively cleaved, are obtained by converting 3-(hydroxymethyl)-5,5-diphenylimidazolidine-2,4-dione to an alkylsulfonate or arylsulfonate and reacting this with a phosphoric acid diester whose ester groups can be selectively cleaved from the reaction product.
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