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:
Jul. 17, 1990
Filed:
Jan. 25, 1989
Satoji Takahashi, Yokkaichi, JP;
Tadashi Takemoto, Yokkaichi, JP;
Ajinomoto Co., Inc., Tokyo, JP;
Abstract
A method for producing an .alpha.-aspartylphenylalanine derivative represented by formula (2), which comprises reacting a .beta.-aspartylphenylalanine derivative represented by formula (1): ##STR1## with a basic compound in an alcohol solvent in the presence of a hydroxide, sulfate, chloride, carbonate or acetate of an element selected from the group consisting of zinc, copper, nickel, magnesium, aluminum, iron, tin, silicon and titanium, wherein R.sub.1 and R.sub.2 represent hydrogen or an alkyl group having 1 to 4 carbon atoms.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile