Patent number: 8575152
Abstract: This invention relates to novel amino acid derivatives of formula (I) wherein the R groups have the following meanings: —R1 is —H or —(1-4C)alkyl; —R2 is —C(O)R15 or —S(O)2R15; —R3 is —H, —(1-4C)alkyl or —OR16; —R4 is —H, —(1-4C)alkyl or —OR16; —R6 is —H or —C(R16)NOR16; —R7 is —H, -halogen, -cyano; —(1-6C)alkyl, —(2-6C)alkenyl or —(2-6C)alkynyl, all optionally substituted with -amino, -hydroxyl or -halogen; —R8 is —H, -cyano, -halogen, -nitro; —(1-6C)alkyl, —(2-6C)alkenyl, —(2-6C)alkynyl or —O(1-6C)alkyl, all optionally substituted with -amino, -hydroxyl or -halogen; -(hetero)aryl, optionally substituted with -cyano, -halogen, —(1-4C)alkyl, —(1-4C)alkoxy, —(1-4C)alkoxy(1-4C)alkyl or -(hetero)aryl; —C(R16)NOR16; —C(O)N(R17)2; —C(O)R18, —C(O)OR19, —NHC(O)R20, or —NHS(O)2R21; —R9 is —H, -halogen, -cyano, or —(1-4C)alkyl, optionally substituted with -halogen; —R10 is —H or —(1-4C)alkyl; —R11 is —H; —R12 is —H, -cyano or —(1-4C)alkyl; —R13 is —H, —(1-4C)alkyl, -halogen or -formyl; —R14 is —H, -halogen, -cyano, —(
Type:
Grant
Filed:
August 25, 2006
Date of Patent:
November 5, 2013
Assignee:
Merck Sharp & Dohme B.V.
Inventors:
Ralf Plate, Christiaan Gerardus Johannes Maria Jans