Carboxamido (meth)acrylic acid esters for treatment of collagen

Details Carboxamido (meth)acrylic acid esters for treatment of collagen Carboxamido (meth)acrylic acid esters for treatment of collagen

C - Chemistry, Metallurgy

09

J

6/221, 260/482.1

C09J 4/02 (2006.01) A61K 6/00 (2006.01) A61K 6/083 (2006.01) A61L 24/06 (2006.01) C07C 233/17 (2006.01) C07C 233/18 (2006.01) C07C 233/20 (2006.01) C08F 20/36 (2006.01) C09J 4/00 (2006.01)

Patent

CA 2015438

ABSTRACT OF THE DISCLOSURE For bonding dental fillings to dentine, carboxamide group-containing (meth)acrylic acid ester of the formula Image in which R1 denotes hydrogen or methyl, R2 denotes alkyl (C1-C4) or alkenyl (C2-C5), optionally substituted by hydroxyl, carboxyl, halogen or amino of the formula Image , in which R4 and R5 are identical or different and denote hydrogen or lower alkyl, R3 denotes hydrogen or has one of the abovementioned meanings of R2 and X is a divalent aliphatic (C1-C6) or cycloaliphatic radical (C3-C6), which can optionally contain one LeA 26 797 or more oxygen, sulphur and/or -NR4-bridges, where R4 has the abovementioned meaning, and which is optionally substituted by hydroxyl, car- boxyl, halogen or amino of the formula Image in which R4 and R5 have the abovementioned meaning, with the proviso that a) the sum of the carbon atoms in the radicals R2, R3 and X is not greater than six if these radicals contain no hetero-atoms, or b) the sum of the carbon atoms in the radicals R2, R3, R4, R5 and X is not greater than ten if at least one of these radicals contains at least one hetero atom, those wherein X has at least 3 C atoms being new. Le A 26 797

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