Mironov, Vladimir F., Ivkova, Gulnara A., Abdrakhmanova, Liliya M., Mironova, Ekaterina V., Krivolapov, Dmitry B., and Konovalova, Irina V.
Abstract: Reaction of 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-4H-1,3,2-benzodioxaphosphinin-4-one with chloral occurs at Piii atom of the 1,3,2-dioxaphosphinine cycle giving mostly 2-chlorocarbonylphenyl 2,2-dichlorovinyl (5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)phosphonate, whereas hexafluoroacetone incorporates into the 1,3,2-dioxaphosphorine cycle affording the corresponding 1,3,2-benzodioxaphosphepine. [Copyright &y& Elsevier]