(DMSO): d 148.6 (Cipso bonded to –OCH2CH2N+Me3), 144.3
(Cipso bonded to –OMe), 135.9 (Cipso bonded to –CH2CH2-
CH2Si–), 119.5, 114.3, 111.9 (C6H3), 63.6 (–C6H3OCH2-
CH2N+Me3), 62.6 (–C6H3OCH2CH2N+Me3), 55.1 (CH3O–),
52.7 (–N+Me3), 39.0 (–SiCH2CH2CH2C6H3–, overlapped with
the signal of DMSO), 25.3 (–SiCH2CH2CH2C6H3–), 19.0, 17.7,
17.6 (Si(CH2)3Si), 14.3 (–SiCH2CH2CH2C6H3–), À3.8 (–SiMe2),
À5.4 (–SiMe). 29Si{1H}-NMR (DMSO): d (G0-Si) was not
observed, 1.3 (G1-Si) and 1.6 (G2-Si). Elemental analysis of
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´
´
(DMSO): d 6.91 (m, 16H, C6H3), 6.71 (m, 16H, C6H3), 6.61 (m,
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N 2.64.
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This journal is The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2012