Receptor Blocker and Vasodilator Comprising Indole Derivative as Active Ingredient
申请人:Somei Masanori
公开号:US20090005430A1
公开(公告)日:2009-01-01
It is intended to find a compound that is structurally simpler than yohimbine, a pentacyclic condensed heterocyclic compound, and has an effect similar to that of yohimbine.
The present invention relates to a pharmaceutical or food composition for α
2
receptor blockage comprising a compound represented by the formula (I) or a pharmaceutically acceptable salt thereof:
(wherein R
1
represents a hydrogen, alkyl group, alkenyl group, alkynyl group, aromatic group, aralkyl group, acyl group, arylsulfonyl group, alkylsulfonyl group, or hydroxyl group; R
2
represents a hydrocarbon group; R
3
, R
4
, R
5
, R
6
, and R
7
are the same or different and represent a hydrogen, halogen, alkyl group, or alkoxy group; R
8
represents a hydrogen or acyl group; n represents an integer of 1 to 6; and a and b are the same or different and represent 1 or 0).