| abstract |
The present invention relates to a chemical compound of the general formula (I): where R can be alkyl, aryl, H, aralkyl, CN, R 3 , R 6 , R 7 and R 8 can be the same or different and H, CN, NO 2 , NH 2 , alkyl, aralkyl, halogen or alkoxy , A and B may be identical or different an alpha, beta or gamma amino acid which comprises 2 to 15 C atoms and up to 4 N atoms, 2 sulfur atoms and 6 oxygen atoms, and B is optionally a dipeptide consisting of these amino acids C is arginine, lysine, tyrosine, phenylalanine or tryptophan and their homologues and X is an H atom or a protective group for terminal amino groups which is customary in peptide chemistry, and L is an optional linker building block which is capable of reacting with C to form a peptide bond. |