Patent · US Expired

Condensed thiophene compounds and pharmaceutical use thereof

US6455521B1 · kind B1 · utility

2Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 2001
Grant dateSep 24, 2002
Priority date
Expiry dateApr 19, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P25/28
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A condensed thiophene compound of the formula (I) wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof and hydrates thereof. The compound of the formula (I) of the present invention is useful as a novel antipsychotic agent which is effective for both positive symptoms and negative symptoms of schizophrenia, which is associated with less side effects such as extrapyramidal motor disorder and the like and which is less associated with serious side effects such as agranulocytosis and the like. In addition, this compound is also useful as a therapeutic agent of Alzheimer's disease and manic-depressive illness.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.