(meth)-acrylic acid derivatives of triisocyanates in dentistry

Details (meth)-acrylic acid derivatives of triisocyanates in dentistry (meth)-acrylic acid derivatives of triisocyanates in dentistry

C - Chemistry, Metallurgy

07

C

402/125, 260/468

C07C 271/24 (2006.01) A61K 6/08 (2006.01) A61K 6/083 (2006.01) A61K 6/09 (2006.01) C07C 271/28 (2006.01)

Patent

CA 1295622

(Meth)-acrylic acid derivatives of triisocyanates in Dentistry Abstract of the Disclosure The invention relates to a (meth)-acrylic acid derivative of a triisocyanate of the formula Image in which R1 and R2 are identical or different and represent hydrogen or a lower alkyl radical, R3, R4 and R5 are identical or different and denote hydrogen or methyl, Y1 to Y3 are identical or different and denote divalent straight-chain or branched hydrocarbon radicals, having 2 to 15 carbon atoms, which may optionally contain 1 to 3 oxygen bridges and can optionally be substituted by 1 to 4 additional (meth)-acryloyl-oxy radicals, and the rings A and B are identical or different and can be aromatic or saturated. The new (meth)-acrylic acid derivatives of tri- isocyanates can be prepared by reacting appropriate triisocyanates with hydroxyalkyl (meth)-acrylates. The compounds can be employed as monomers for use in the dental field.

549953

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