The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2013
Filed:
Feb. 17, 2010
Applicants:
Edmund C. Hudson, Clayton, MO (US);
Sharon Woods, Florissant, MO (US);
Inventors:
Edmund C. Hudson, Clayton, MO (US);
Sharon Woods, Florissant, MO (US);
Assignee:
Mallinckrodt LLC, Hazelwood, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/00 (2006.01); C07D 221/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for the N-alkylation of normorphinan compounds to produce N-alkylated morphinan compounds. In particular, the process relates to the alkylation of a normorphinan compound by a carboxaldehyde in the presence of a reducing agent to form an N-alkylated morphinan.