Abstract
Cyclic and high-polymeric phosphazenes that bear 4-(1-oxo-1-phenyl-2-propen-3-yl)phenoxy(4-oxychalcone) side groups have been prepared to study their photochemical behavior. Small-molecule cyclic trimers of the general formula N 3 P 3 R 5 R', where R= phenoxy, 2,2,2-trifluoroethoxy, chloro, and 4-oxychalcone and R'= 4-oxychalcone, were synthesized to model the cross-linking reactions at the high-polymer level. Single-substituent and cosubstituent polymeric phosphazenes [NPRR'] n , where R= phenoxy, 2,2,2-trifluoroethoxy, or 4-oxychalcone and R'= 4-oxychalcone were also prepared
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