Patent · US Expired

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

US6444673B1 · kind B1 · utility

27Cited by

7References

8Claims

0Family size

Assignee

Sepracor, Inc. · US

Inventors

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

Key dates

Filing date	Nov 28, 2000
Grant date	Sep 3, 2002
Priority date	—
Expiry date	Nov 28, 2020

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-dihydro-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.