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Silylated oligomeric poly(ether azomethine)s from monomers containing biphenyl moieties: synthesis and characterization

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Fig. 1 Synthesis of monomers containing silicon and biphenyl moieties. (a) (1) n-BuLi, Et 2 O anh., 0  C
Fig. 6 shows a representative FT-IR spectrum of the obtained materials and the denition of the d CO and d CN distances, which are associated with the intensity of the carbonyl and imine bands, respectively
Fig. 4 NMR spectra of the dialdehydes 9 (DMSO-d 6 ) (right) and 10 (CDCl 3 ) (left).
Fig. 7 NMR spectra (DMAc-acetone-d 6 ) of PAM-II. (a) COSY, (b) HMQC, (c) HMBC and (d) 29 Si NMR spectra.
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