Patent · US Active

(+)-morphinanium N-oxides and processes for their production

US8563727B2 · kind B2 · utility

1Cited by

3References

9Claims

0Family size

Assignee

MALLINCKRODT LLC · US

Inventors

Gary L. Cantrell · Glen Carbon, US
Peter X. Wang · Chesterfield, US
Bobby N. Trawick · Florissant, US
Christopher W. Grote · Webster Groves, US
David W. Berberich · Saint Peters, US
Hang Sun · Lo Wu, CN
Subo Liao · Ballwin, US

Key dates

Filing date	Feb 23, 2010
Grant date	Oct 22, 2013
Priority date	—
Expiry date	Sep 9, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention provides (+)-morphinanium N-oxide compounds or pharmaceutically acceptable salts thereof. The invention also provides processes for producing (+)-morphinanium N-oxides or pharmaceutically acceptable salts thereof from the corresponding tertiary N-substituted (+)-morphinan compound or pharmaceutically acceptable salt thereof.

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