DEVELOPMENTS IN THE PREPARATION OF DIMETHYLDIOXIRANE DMD/DMDO

Year 2014, Volume: 1 Issue: 3, 107 - 115, 01.06.2014

Said Nadeem Ayhan Sıtkı Demir İlke Şimşek Muhammad Raza Shah

Abstract

The synthesis of dimethyldioxirane DMD/DMDO is as complicated as its storage. It should be used within a week after its synthesis. Developments were gained in the synthetic procedure of DMD/DMDO in two steps and enough yield was obtained at moderate temperature compared to literature procedures -78 oC . The dry ice before trap was replaced with a condenser containing chilled methanol which also resulted the condensation of DMD/DMDO back from the vacuum trap. Diethyl formylphosphonate 6 was synthesized by the oxidation of diazomethylphosphonate 5 with DMD/DMDO at different temperatures starting from -78 ºC to 0 ºC

Keywords

Dimethyldioxirane, ethyl formyphosphonate, oxone

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