Complex formation of silica, silicic acids and silicates with organic compounds has been investigated with emphasis on six-coordinated silicon. 1,2-Dihydroxyaryl compounds are powerful chelating agents for silicon, forming anionic complexes. Even quartz can he reacted directly to these compounds. Cationic chelate complexes are formed with 1,3-diketones, 2-hydroxypyridine-N-oxide and tropolones. A β-isopropyltropolone-silicon-complex (=β-thujaplicine-complex) ((thpl)3Si)+ has been isolated from Thuja plicata. The natural complex has been compared with the synthetic compounds $$\begin{array}{l}{\rm{((thpl}}{{\rm{)}}_{\rm{3}}}{\rm{Si)Cl}}\,{\rm{ \times }}\,{\rm{2HCl,}}\,{\rm{((thpl}}{{\rm{)}}_{{\rm{3}}\,}}{\rm{Si)Cl}}\,{\rm{ \times }}\,{\rm{2}}{{\rm{H}}_{\rm{2}}}{\rm{O,}}\,{\rm{((thpl}}{{\rm{)}}_{\rm{3}}}\,{\rm{Si)P}}{{\rm{F}}_{\rm{6}}}, \\{\rm{((thpl}}{{\rm{)}}_{\rm{3}}}{\rm{Si)}}\,{\rm{AuC}}{{\rm{l}}_{\rm{4}}}{\rm{,}}\,{\rm{and}}\,{{\rm{((thpl}}{{\rm{)}}_{\rm{3}}}{\rm{Si)}}_{\rm{2}}}{\rm{PtC}}{{\rm{l}}_{\rm{6}}}{\rm{.}} \\\end{array}$$
CITATION STYLE
Weiss, A., & Herzog, A. (1978). Isolation and Characterization of a Silicon-Organic Complex from Plants. In Biochemistry of Silicon and Related Problems (pp. 109–127). Springer US. https://doi.org/10.1007/978-1-4613-4018-8_5
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