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Abstract
A variety of O-alkyl, N.N-dialkylamino, and N-alkylamino metaphosphates, as well as O-alkyl metathiophosphates, have been generated by thermal or photochemical fragmentation of 2,3- axaphosphabicyclo[2.2.2]octene derivatives. The metaphosphoric acid derivatives are detected by trapping reactions, including a new reaction with epaxides to form 1,3,2-diaxaphospholanes, and by direct 31P NMR observation on THF solutions at -78°C. Applications of metaphosphates as novel phosphorylating agents are possible.