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Phosphazenyl phosphines and their Metal-Complexes – new catalytically active superbasic Compounds

Ref-Nr: TA-TM 1047


Highest known basicity so far for application in base-catalysed chemical processes


Schwesinger type phosphazene N-superbases are well known compounds which can be applied as polymerisation catalysts.

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In contrast to them the compounds presented herein exhibit even more basicity, so that these Phosphazenylphosphines may be much better catalysts for polymerisation reactions. Besides the basic compounds higher homologues are also available which may also serve as halogen-free flame retardants, due to their high content of nitrogen and phosphorous.


The technology offer encompasses a very simple and effective synthetic route to this new class of Metal/Semimetal-Komplexes of PR3-derivatives (R = N-phosphazenyl radical) and their higher homologues, as well as the compounds themselves and their principal use as catalysts or as flame retardants.


Possible fields of application are primarily the vast field of base catalysed chemical synthesis, e.g. polymer-synthesis, and secondly (due to the high content of nitrogen and phosphorous) the usage as halogen-free flame retardants.


On behalf of its shareholder Philipps-Universität Marburg TransMIT GmbH is looking for licensees or cooperation partners for further development in the US, Asia or Europe.

TransMIT Gesellschaft für Technologietransfer mbH

Niklas Günther
+49 (641) 94364-53 
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Superbases, basic catalysts, Polymerisation catalysts, halogen-free flame retardants

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