Metadynea Austria Gmbh

Bettina Burk

Michael Ciesielski

Thomas Zich

Bernadette Mehofer

Manfred Doring

Fritz Johann Freidl

Manfred Döring

A method for producing compounds of formula (I) in which the radical Ris selected from &#x2014;NH, &#x2014;NHAz, and monovalent alkyl and aryl radicals, the radicals A are selected in each case independently of one another from the phosphoryl radicals DOPO-, DPhPO- and DPhOPO-, and the indices x, y and z, in each case independently of one another, stand for 0 or 1, wherein at least one of the indices is &#x2260;0, by reacting, in a first step, melamine or, when Ris an alkyl or aryl radical, the corresponding alkyl or aryl guanamine, with one or more of the corresponding phosphinyl chlorides DOP-CI, DPhP-Cl and DPhOP-CI, in order to bond one or more phosphinyl radicals to the amino groups(s) of the melamine or guanamine, and in a second step oxidizing the phosphinyl radical(s) by reaction with an oxidizing agent to give the corresponding phosphoryl radical(s).

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Darmstadt, Germany

Bettina Burk