PROBLEM TO BE SOLVED: To obtain a production intermediate useful for synthesis of a chemokine receptor antagonist.
SOLUTION: The present invention relates to a compound represented by the formula (wherein R11is hydrogen atom, a 1-6C alkyl group or a 2-7C alkanoyl group; R12, R14, R15, R16and R17are each hydrogen atom, a halogen atom, a 1-6C alkyl group which may be substituted with a halogen atom, a 1-6C alkoxyl group or hydroxy group which may be substituted with a halogen atom or a 2-7C alkoxycarbonyl group;R1and R2are each hydrogen atom or R1and R2are each a protective group of an amino group in which R1and R2together may form a ring structure) or its salt and a method for producing the compound or its salt.
COPYRIGHT: (C)2005,JPO&NCIPI
要解决的问题:获得一种用于合成趋化因子受体拮抗剂的生产中间体。
解决方案:本发明涉及一种化合物,其表示为以下式子(其中R11为氢原子,1-6C烷基或2-7C脂肪酰基;R12、R14、R15、R16和R17分别为氢原子、卤素原子、1-6C烷基,其可以用卤素原子取代,1-6C烷氧基或羟基,其可以用卤素原子或2-7C烷氧羰基取代;R1和R2分别为氢原子或R1和R2均为氨基保护基,其中R1和R2可以共同形成环状结构)或其盐以及制备该化合物或其盐的方法。
版权所有:(C)2005,JPO和NCIPI。