Publication number: 20250382282
Abstract: The present invention relates to a medicament for treating or preventing central nervous system disease whose cause is related to abnormal aggregation of proteins in the brain, which comprises as an active ingredient a compound of formula (1) or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are hydrogen, etc., R3 and R4 are hydrogen, C1-6 alkyl, etc., R5 is halogen, C1-6 alkyl, etc., R6 is hydrogen, halogen, etc., X is oxygen, etc., Y is carbon, etc., m and n are an integer of 0, 1, etc., r and s are 0, 1, 2, etc., Hy is pyridine ring, etc., which has an action of suppressing or reducing the accumulation of abnormal aggregation of proteins in the brain.
Type:
Application
Filed:
July 28, 2025
Publication date:
December 18, 2025
Applicant:
Sumitomo Pharma Co., Ltd.
Inventors:
Hitoshi WATANABE, Shuya YAMADA, Katsushi KITAHARA, Mariko KOBAYASHI
Publication number: 20250051305
Abstract: The present invention relates to a medicament for treating or preventing central nervous system disease whose cause is related to abnormal aggregation of proteins in the brain, which comprises as an active ingredient a compound of formula (1) or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are hydrogen, etc., R3 and R4 are hydrogen, C1-6 alkyl, etc., R5 is halogen, C1-6 alkyl, etc., R6 is hydrogen, halogen, etc., X is oxygen, etc., Y is carbon, etc., m and n are an integer of 0, 1, etc., r and s are 0, 1, 2, etc., Hy is pyridine ring, etc., which has an action of suppressing or reducing the accumulation of abnormal aggregation of proteins in the brain.
Type:
Application
Filed:
July 28, 2023
Publication date:
February 13, 2025
Applicant:
Sumitomo Pharma Co., Ltd.
Inventors:
Hitoshi WATANABE, Shuya YAMADA, Katsushi KITAHARA, Mariko KOBAYASHI
Publication number: 20240124429
Abstract: The present invention relates to a medicament for treating or preventing central nervous system disease whose cause is related to abnormal aggregation of proteins in the brain, which comprises as an active ingredient a compound of formula (1) or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are hydrogen, etc., R3 and R4 are hydrogen, C1-6 alkyl, etc., R5 is halogen, C1-6 alkyl, etc., R6 is hydrogen, halogen, etc., X is oxygen, etc., Y is carbon, etc., m and n are an integer of 0, 1, etc., r and s are 0, 1, 2, etc., Hy is pyridine ring, etc., which has an action of suppressing or reducing the accumulation of abnormal aggregation of proteins in the brain.
Type:
Application
Filed:
November 16, 2023
Publication date:
April 18, 2024
Applicant:
Sumitomo Pharma Co., Ltd.
Inventors:
Hitoshi WATANABE, Shuya YAMADA, Katsushi KITAHARA, Mariko KOBAYASHI