Oxyonium phosphobetaines – unusually stable nucleophilic catalyst–phosphate complexes formed from H-phosphonates and N-oxides†‡,10.1039/C5RA27465F

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Lactoyl-CoA 全氟丁基戊烷白叶藤碱全氟己基辛烷新白叶藤碱壳寡糖特色专题-生物多肽

Oxyonium phosphobetaines – unusually stable nucleophilic catalyst–phosphate complexes formed from H-phosphonates and N-oxides†‡

Magdalena Materna,Jacek Stawinski,Agnieszka Kiliszek,Wojciech Rypniewski,Michal Sobkowski

RSC Advances Pub Date : 01/29/2016 00:00:00 , DOI:10.1039/C5RA27465F

Abstract

Aryl H-phosphonates react with N-oxides to form previously unknown stable zwitterionic oxyonium phosphates comprising an ⁻O–P–O–N⁺Z atom system. Their structures were confirmed i.e. by X-ray crystal structure analysis, and some mechanisms were proposed for their formation. Stability during storage and reactivity toward nucleophiles points to their possible synthetic applications.