A mixture of two isomers of organosilicon carbofunctional compounds, 4-(3′-triethoxysilylpropylimino)pent-2-en-2-ol (EtO)3Si-CH2CH2CH2-N=C(Me)-CH=C(Me)-OH (Ia, 83%) and 4-(3′-triethoxysilylpropylamino)pent-3-en-2-one (EtO)3-CH2CH2CH2-NH-C(Me)=CH-C(O)Me (Ib, 17%) was prepared by reaction of 3-aminopropyltriethoxysilane with acetylacetone. The use of trimethylsilyl ether of acetylacetone instead of acetylacetone yields Ia (84%) and silylated derivatives (Me3SiO)n(EtO)3−n Si-CH2CH2CH2-N=C(Me)CH=C(Me)OH (II) (16%). Solid, liquid, or resinous products were prepared by hydrolytic condensation of I and II. Compositions for preparing transparent sol-gel films were developed.
Russian Journal of Applied Chemistry – Springer Journals
Published: May 25, 2007
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