申请人:Daiichi Sankyo Company, Limited
公开号:EP2463274A1
公开(公告)日:2012-06-13
A compound of the following formula (19) or (20):
wherein
R11
represents a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, a cycloalkyl group containing 3 to 6 carbon atoms, or a substituted carbonyl group derived from an amino acid, a dipeptide, or a tripeptide, or a protective group of the amino acid; the alkyl group being optionally substituted with a substituent selected from the group consisting of hydroxy group, amino group, halogen atom, an alkylthio group containing 1 to 6 carbon atoms, and an alkoxy group containing 1 to 6 carbon atoms;
R21
represents a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, or a cycloalkyl group containing 3 to 6 carbon atoms or a protective group of the amino acid; the alkyl group being optionally substituted with a substituent selected from the group consisting of hydroxy group, amino group, halogen atom, an alkylthio group containing 1 to 6 carbon atoms, and an alkoxy group containing 1 to 6 carbon atoms;
R3
represents a methyl group; ethyl group; vinyl group; fluoro-substituted methyl group or ethyl group; methyl group or ethyl group having amino group or hydroxy group; and methyl group having thiomethyl group or methoxy group;
R4 and R5
together form cyclopropane ring or cyclobutane ring including the carbon atom shared by R4 and R5 to form a spirocyclic structure;
R6 and R7
independently represent hydrogen atoms, and
R13
represents protective group of the amino group.
下式(19)或(20)的化合物:
其中
R11
代表氢原子、含 1 至 6 个碳原子的烷基、含 3 至 6 个碳原子的环烷基、或衍生自氨基酸、二肽或三肽的取代羰基、或氨基酸的保护基;烷基可任选被选自羟基、氨基、卤素原子、含 1 至 6 个碳原子的烷硫基和含 1 至 6 个碳原子的烷氧基的取代基所取代;
R21
代表氢原子、含 1 至 6 个碳原子的烷基、含 3 至 6 个碳原子的环烷基或氨基酸的保护基;该烷基可任选被选自羟基、氨基、卤素原子、含 1 至 6 个碳原子的烷硫基和含 1 至 6 个碳原子的烷氧基组成的取代基取代;
R3
代表甲基;乙基;乙烯基;氟取代的甲基或乙基;具有氨基或羟基的甲基或乙基; 以及具有硫代甲基或甲氧基的甲基;
R4 和 R5
共同形成环丙烷环或环丁烷环,包括 R4 和 R5 共有的碳原子,形成螺环结构;
R6 和 R7
分别代表氢原子,以及
R13
代表氨基的保护基团。