Studies on organophosphorus compounds 68. A new and facile synthetic approach to alkylidenebisphosphonates.
作者:Chaozhong Li、Chengye Yuan
DOI:10.1016/s0040-4039(00)60333-7
日期:1993.2
Condensation of aldehydes with diethyl phosphite followed by sulfonylation of the alpha-hydroxy group formed with methanesulfonyl chloride and subsequent substitution by another molecule of diethylphosphite provides corresponding alkylidenebisphosphonates in one-pot procedure with good yield.
Reaction of substituted benzalchlorides with phosphorous acid esters
作者:A. A. Prishchenko、M. V. Livantsov、O. P. Novikova、L. I. Livantsova