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Title Synthesis of the H-phosphonate dibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide and the phospha-Michael addition to unsaturated compounds
Date 25.01.2019
Number 56160
Abstract A series of phosphonate-containing compounds based on dibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide (BPPO) is presented. BPPO is synthesized by a three–component condensation and is added to activated alkenes with systematically varied structure via phospha-Michael addition. Acrylates, a,ß-unsaturated carboxylic acid diesters and benzoquinone are used as activated alkenes. The new compounds are characterized by 1H, 13C and 31P NMR spectroscopy. The as-prepared phosphonates are envisioned to have flame retardant properties.
URL https://doi.org/10.1016/j.tet.2019.01.045
Publisher Tetrahedron
Identifier
Citation Tetrahedron (2019) Article in press
DOI https://doi.org/10.1016/j.tet.2019.01.045
Authors Lenz, J. ; Pospiech, D. ; Komber, H. ; Paven, M. ; Albach, R. ; Mentizi, S. ; Langstein, G. ; Voit, B.
Tags alkene 2 2´-biphenol phosphonate phospha-michael addition

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