| 摘要 |
PROBLEM TO BE SOLVED: To provide a process for producing a compound useful as a prophylactic or therapeutic medicine for diseases caused by hyperglycemia such as diabetes, diabetes complications and obesity, intermediates for producing the compound, and an industrially advantageous production process therefor.SOLUTION: The intermediate for producing the compound, which is useful as a medicine, is represented by formula (C), wherein Rrepresents a 1-6C alkyl group, or the like, Rrepresents a 1-6C alkyl group, or the like, Rand Reach independently represent a hydrogen atom, a halogen atom, a 1-6C alkoxy group, or the like, and PG represents a protective group. |
