Silicon compounds and process for preparation thereof

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

Reexamination Certificate

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Reexamination Certificate

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10478483

ABSTRACT:
An organic silicon compound, having high reactivity, represented by the following Formula (1):wherein R and M are defined in the specification. The organic silicon compound is produced by reacting polysilsesquioxane, which is obtained by hydrolyzing a silane compound having three hydrolyzable groups and represented by the following Formula (2), with a monovalent alkaline metal hydroxide in an organic solvent, or by subjecting the silane compound having three hydrolyzable groups to hydrolysis and polycondensation in the presence of an organic solvent and an alkaline metal hydroxide:in-line-formulae description="In-line Formulae" end="lead"?R—Si X3  (2)in-line-formulae description="In-line Formulae" end="tail"?wherein R is the same as in Formula (1) and X represents a hydrolyzable group.

REFERENCES:
patent: WO 01/10871 (2001-02-01), None
Annand et al (Inorg. Chem. vol. 38, pp. 3941-3943, 1999).
Frank J. Feher et al., “Facile Synthesis of New Incompletely Condensed Polyhedral Oligosilsesquioxanes”, Organometallics, vol. 10, No. 7, pp. 2526-2528, 1991.
Frank J. Feher et al., “A new route to incompletely-condensed silsesquioxanes: base-mediated cleavage of polyhedral oligosilsesquioxanes”, Chemical Communications, No. 22, pp. 2309-2310, 1999.
J. A. Tossell, “Theoretical Studies of Si and Al Distributions in Molecules and Minerals with Eight Tetrahedrally Coordinated Atoms (T8) in Double Four-Ring (D4R) Geometries: Octasilasesquioxanes, Gismondite, and Zeolite A”, Journal of Physical Chemistry, vol. 100, No. 35, pp. 14828-14834, 1996.
Vincent Ruffieux, “T8-OSS-Ethyldiphenylphosphine: A New Functional Oligosilsesquioxane Ligand”, Chem. Eur. J., 3, No. 6, pp. 900-903, 1997.

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