Patent number: 6593300
Abstract: The invention relates to a new (3R)-3-amino-4-carboxybutyraldehyde derivatives of general formula(I)
wherein X represents a C1-4 alkyloxycarbonyl, an optionally substituted phenyl-(C1-2 alkyloxy)-carbonyl, a C1-4 alkylcarbonyl or an optionally substituted phenyl-(C1-3 alkyl)-carbonyl group, n represents 1 or 0, Y represents, in the case when n=1, a tetrapeptide of general formula Y4-Y3-Y2-Y1, a tripeptide of general formula Y3-Y2-Y1 or a dipeptide of general formula Y2-Y1 or an amino acid residue of general formula Y1, or in the case when n=0, an &agr;-hydroxyacyl-tripeptide of general formula Q4-Y3-Y2-Y1, an &agr;-hydroxyacyl-dipeptide of general formula Q3-Y2-Y1 or an &agr;-hydroxyacyl-aminoacyl residue of general formula Q2-Y1; wherein Y1-Y4 represent a residue selected from the group of the following L- or D-amino acids: alanine, alloisoleucine, cyclohexyl-glycine, phenyl-alanine, glutamine, histidine, isoleucine, leucine, lysine, methionine, pipecolic acid, proline, tyrosi
Type:
Grant
Filed:
February 7, 2000
Date of Patent:
July 15, 2003
Assignee:
Gyogyszerkutato Intezet Kft.
Inventors:
Sandor Bajusz, Iren Veghelyi, Klara Nemeth, Eva Barabas, Attila Juhasz, Jozsef Lango, Emilia Lavich, Zsuzsanna Mohai, Imre Moravcsik, Zsuzsanna Taschler, Gabor Toth