S 98 Synthesis of 2,6-bis-polyfluoroalkyl-4H-pyran-4-ones [Text] / D. S. Yachevskii, D. L. Chizhov, K. I. Pashkevich, V. N. Charushin // ARKIVOC. - 2004. - № 11. - P71-76. - Библиогр. : с. 75 (9 назв.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: A convenient synthesis is described of 2,6-bis-polyfluoroalkyl-4H-pyran-4-ones having ??symmetrical and asymmetrical structures, by dehydration of bis-polyfluoroalkyl- containing ??1,3,5-triketones. |