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:
Oct. 11, 2011
Filed:
Jul. 21, 2004
Mukund P. Sibi, Fargo, ND (US);
Craig P. Jasperse, Moorhead, MN (US);
Prabagaran Narayanasamy, Fargo, ND (US);
Sandeep R. Ghorpade, Mumbai, IN;
Mukund P. Sibi, Fargo, ND (US);
Craig P. Jasperse, Moorhead, MN (US);
Prabagaran Narayanasamy, Fargo, ND (US);
Sandeep R. Ghorpade, Mumbai, IN;
NDSU Research Foundation, Fargo, ND (US);
Abstract
Disclosed are β-amino acids that are unsubstituted in the β position; that are substituted in the β position with an aryl group; that are substituted in the α position with an aryl group; that bear two substituents in the α position; and/or that are substituted in the α and β positions with groups which, together with the carbon atoms at the α and β positions, form a ring. Also disclosed are methods for making the above-mentioned β-amino acids and other β-amino acids which involve providing an α,β-unsaturated imide; converting the α,β-unsaturated imide to a 2-substituted-isoxazolidin-5-one; and converting the 2-substituted-isoxazolidin-5-one to a β-amino acid.