Patent · US Active

Maleate salts of 6-(5-chloro-2-Pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine

US8268832B2 · kind B2 · utility

1Cited by

10References

2Claims

0Family size

Assignee

Sunovion Pharmaceuticals Inc. · US

Inventors

H. Scott Wilkinson · Westborough, US
Richard Hsia · Southborough, US
Tushar Misra · Norfolk, US
Kostas Saranteas · Peabody, US
Patrick Mousaw · Granger, US

Key dates

Filing date	Dec 18, 2008
Grant date	Sep 18, 2012
Priority date	—
Expiry date	Dec 18, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D471/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Pharmaceutical compositions of maleate salts of (6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-dihydro-5H-pyrrolo [3,4-b]pyrazine) are provided. The maleate salts are sleep agents useful in oral dosage forms.

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