Abstract
Reaction of hexafluoroacetone with 2-R-benzo[d]-1,3,2-oxazophosphorin-8-ones leads to the formation of seven-membered nitrogen-containing heterocycles, the derivatives of 3-phenyl-9,9-bis (trifluoromethyl)benzo[d]-1,3,2-oxaza-phosphepine-2,8-diones. Steric structure of 2,3-diphenyl-9,9-bis (trifluoromethyl)-benzo[d]-1,3,2-oxazaphosphepine-2,8-di-one was established by X-ray structural analysis. By hydrolysis of the phosphepines a functionally substituted fluorinated ketone, 2-hydroxy-1-(2′-phenylamino)phenyl-2-trifluoromethyl-3,3,3-trifluoro)propan-1-one, was obtained.
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Original Russian Text © L.M. Burnaeva, V.F. Mironov, Yu.Yu. Borisova, A.T. Gubaidullin, A.B. Dobrynin, I.A. Litvinov, G.A. Ivkova, N.K. Amerkhanova, I.V. Konovalova, 2008, published in Zhurnal Obshchei Khimii, 2008, Vol. 78, No. 3, pp. 425–431.
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Burnaeva, L.M., Mironov, V.F., Borisova, Y.Y. et al. Reaction of 2-R-benzo[d]-1,3,2-oxazophosphorin-8-one with hexafluoroacetone. Synthesis and steric structure of 3-phenyl-9,9-bis(trifluoromethyl)-2-ethoxybenzo[d]-1,3,2-oxazaphosphepine-2,8-dione. Russ J Gen Chem 78, 410–416 (2008). https://doi.org/10.1134/S1070363208030110
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DOI: https://doi.org/10.1134/S1070363208030110