Patent · US Expired

Optically active 5H-pyrrolo[3, 4-B]pyrazine derivative, its preparation and pharmaceutical compositions containing it

US6319926A · kind A · utility

25Cited by

7References

1Claims

0Family size

Assignee

Sepracor, Inc. · US

Inventors

Claude Cotrel · Paris, FR
Gerard Roussel · Ris-Orangis, FR

Key dates

Filing date	Jul 29, 1998
Grant date	Nov 20, 2001
Priority date	—
Expiry date	Jul 29, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/20
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Dextrorotatory isomer of 6-(5-chloro-2-pyridyl)-5[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-di hydro-5H-pyrrolo[3,4-b]pyrazine, its preparation and pharmaceutical compositions containing it which are usable as tranquillizers and hypnotics.

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