Phenylxanthene derivatives

Patent metadata

Field	Value
Publication number	US-8975263-B2
Application number	US-201414291860-A
Country	US
Kind code	B2
Filing date	May 30, 2014
Priority date	Mar 12, 2013
Publication date	Mar 10, 2015
Grant date	Mar 10, 2015

Abstract

The present invention relates to a compound or a pharmacologically acceptable salt thereof having an excellent glucose lowering effect.
A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof:

wherein R 1 represents a C1-C3 alkyl group, each substituent R 2 may be the same or different and may each represent a C1-C3 alkyl group, R 3 represents an optionally substituted pyridyl group or the like, R 4 and R 5 , which are the same or different, each represent a C1-C3 alkyl group, R 6 and R 7 , which are the same or different, each represent a C1-C3 alkyl group, and n represents 0 to 3.

First claim

The invention claimed is:

1. A compound of formula (I):

or a pharmacologically acceptable salt thereof, wherein
R 1 is a C1-C3 alkyl group,
each R 2 is independently a C1-C3 alkyl group,
R 3 is
a pyridyl group optionally substituted with 1 to 4 substituents independently selected from substituent group α,
a 5,6,7,8-tetrahydroisoquinolyl group…

Assignees

• Daiichi Sankyo Co Ltd

Inventors

• Yamanoi Shigeo
• Kagechika Katsuji
• Soneda Tsuyoshi
• Ochiai Yuichi
• Namiki Hidenori
• Doi Fuminao
• Hoshino Madoka
• Yoshida Shoko

Classifications

• A61P5/48

  Human Necessities · mapped topic

• A61P9/12

  Human Necessities · mapped topic

• A61P7/02

  Human Necessities · mapped topic

• A61P3/10

  Human Necessities · mapped topic

• A61P9/10

  Human Necessities · mapped topic