Scientia Pharmaceutica p. 39 - 49 (2003)
Update date:2022-07-29
Topics:
Kurz, Thomas
Geffken, Detlef
Wackendorff, Claudia
Cyclic carbonylation of hydroxyureas 3 with 1,1′-carbonyldiimidazole gave 3-(3,5-dioxo-[1,2,4]oxadiazolidin-2yl)propylphosphonic acid diethyl esters 4 which were converted into the corresponding phosphonic acids 5 with bromotrimethylsilane.
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