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Novel N-phosphorylated iminophosphoranes based on 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: Weinert, Michael; Fuhr, Olaf; Döring, Manfred


Arkivoc (2018), Pt.VII, pp.278-293
ISSN: 1551-7012
ISSN: 1551-7004
Journal Article
Fraunhofer LBF ()
Fraunhofer ICT ()
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO); phosphorus; imonphosphorane; Staudinger reaction; Atherton-Todd reaction

A series of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide-based N-phosphorylated iminophosphoraneswas synthesized utilizing Atherton-Todd and subsequently Staudinger reactions. The structures of these iminophosphoranes were revealed by nuclear magnetic resonance spectroscopy and X-raycrystallography. The decomposition properties were determined by thermogravimetric analysis and indicate a relationship between the chemical environment around the phosphorus atom and the thermostability of the corresponding compound.