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US 8,895,769 B2Granted
Silicon-containing carboxylic acid derivative
AssigneeKemphys Ltd.
InventorsHideaki Muratake, Ai Ito, Koichi Shudo
Life of this patent
Estimating the term…
Abstract
A compound represented by the formula (I) [R1 to R3 represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); R5 represents —(CY2)p—COOR6 (p represents an 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.
Claims3
A compound represented by the following formula (I), or a salt thereof:
- wherein, in the formula, R1, R2, and R3 independently represent an alkyl group, an alkenyl group, an alkynyl group, or an aryl group, any of which may have a substituent, and wherein two or three groups selected from R1, R2, and R3 may bind together to form a ring;
- n represents 0 or 1;
- R4 represents an unsubstituted amino group, a monoalkylamino group, or an acylamino group;
- and
- R5 represents —(CY2)p—COOR6 wherein p represents an integer of 0 to 3, Y represents a hydrogen atom or deuterium atom, and R6 represents a hydrogen atom or an alkyl group that may have a substituent.
2 more elements
Dependencies are inferred from the claim text.