Abstract

The synthesis of first and second generation carbosilane dendrimers with end-grafted triethylene glycol methyl ether units is reported. The reaction chemistry of Me 2Si(CH 2CH 2CH 2SiMe 2CH 2(CH 2CH 2O) 4Me) 2 ( 4), Si(CH 2CH 2CH 2SiMe 2CH 2(CH 2CH 2O) 4Me) 4 ( 5) and Si(CH 2CH 2CH 2SiMe(CH 2CH 2CH 2SiMe 2CH 2(CH 2CH 2O) 4Me) 2) 4 ( 7) towards alkali metal ions is described. ESI-TOF studies reveal that in 4 one, in 5 two and in 7 up to four metal ions can be trapped, which enables 4, 5 and 7 as possible ionophores for chemical sensors.

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