Cyclopeptide derivatives

1. A process for promoting the integration of a device which is useful as an implant or of a biocompatible device into tissue which contains integrin bearing cells, said process comprising covalently bonding to the surface of said device which is useful as an implant or of said biocompatible device a compound of the following formula I

R-Q-X  I

in which

R is cyclo-(Arg-Gly-Asp-Z), where Z is bonded via a side chain to Q, or if Q is absent, to X,

Q is absent, or is —(CO—R 1 —NH—) m , —(NH—R 1 —CO—) m , —(CO—R 1 —CO—) m , —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) n ,

—(NH—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —CO—) n ,

—(NH—CH 2 CH 2 —O—CH 2 CH 2 —O—CH 2 —CO—) n or

—(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) n —(CO—R 1 —NH—) m ,

X is —CO—CH═CH 2 , —CO—C(CH 3 )═CH 2 , —NH—CH═CH 2 , —NH—C(CH 3 )═CH 2 or —NH—(CH 2 ) p —SR 10 ,

Z is in each case independently of one another an amino acid residue or a di- or tripeptide residue, where the amino acids independently of one another are selected from a group consisting of Ala, Asn, Asp, Ag, Cys, Gln, Glu, Gly, His, Homo-Phe, Ile, Leu, Lys, Met, Phe, Phg, Pro, Ser, Thr, Trp, Tyr, Val and M,

wherein said amino acids can be derivatized, and the amino acid residues are linked to one another in peptide fashion via the α-amino- and α-carboxyl groups, and

where M is always present,

M is a residue of NH(R 8 )—CH(R 3 )—COOH,

R 1 is absent or is R 2 , R 9 , R 2 —R 9 —R 2 , or phenylene which is unsubstituted or mono- or disubstituted by R 5 , where the chain length of R 5 is in each case independent of one another,

R 2 is alkylene having 1-10 C atoms, where 1 or 2 methylene groups can be replaced by S, —CH═CH— or —C≡C—,

R 3 is —R 5 —R 4 , —R 6 —R 4 or —R 7 —R 4 ,

R 4 is OH, NH 2 , SH or COOH,

R 5 is alkylene having 1-6 C atoms,

R 6 is alkylenephenylene having 7-14 C atoms,

R 7 is alkylenephenylalkylene having 8-15 C atoms,

R 8 is H, A or alkylenephenyl having 7-12 C atoms,

R 9 is cycloalkylene having 3-7 C atoms,

R 10 is H or an S protective group,

A is alkyl having 1-6 C atoms,

Hal is F, Cl, Br or I

m and n in each case independently of one another are 0, 1, 2 or 3 and

p is 1, 2, or 3,

where each optically active amino acid or amino acid derivative that is present is in either the D or L form; or

a salt thereof,

thereby producing a coated device, and

bringing said coated device into contact with tissue.

2. A process according to claim 1 , wherein said compound is:

a) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —CO—CH 2 CH 2 CO—NH—CH 2 CH 2 —SH)) or a physiologically acceptable salt thereof,

b) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —CO—CH 2 CH 2 CO—NH—CH 2 CH 2 —SH)-Gly) or a physiologically acceptable salt thereof;

c) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —CO—(CH 2 ) 5 —NH—CO—CH═CH 2 )) or a physiologically acceptable salt thereof;

d) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —CO—(CH 2 ) 5 —NH—CO—CH═CH 2 )) or a physiologically acceptable salt thereof;

e) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—CO—(CH 2 ) 5 —NH—CO—CH═CH 2 )) or a physiologically acceptable salt thereof; or

f) cyclo-(Arg-Gly-Asp-D-Phe-Lys(N ε —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH) 2 —CO—(CH 2 ) 5 —NH—CO—CH═CH 2 )) or a physiologically acceptable salt thereof.

3. A process according to claim 1 , wherein R 1 is alkylene having 1-10 C atoms.

4. A process according to claim 1 , wherein Q is a 6-aminohexanoic acid radical, a succinyl radical, —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH)—, —(CO—CH—O—CH 2 —O—CH 2 CH 2 —NH—)CO—(CH 2 ) 5 —NH—, —(CO—(CH 2 ) 5 —NH) 2 —, or —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) 2 CO—(CH 2 ) 5 —NH—.

5. A process according to claim 1 wherein M is Dap (diamino propionic acid), Ser, Cys, Asp, D-Asp, Dab (diamino butyric acid), homoserine, homocysteine, Glu, D-Glu, Thr, Orn, Lys, D-Lys, 4-aminomethyl-Phe or 4-aminomethyl-D-Phe.

6. A process according to claim 1 , wherein Z is M.

7. A process according to claim 1 , wherein —R 6 —R 4 is 2,3- or 4-hydroxybenzyl, 2-, 3- or 4-aminobenzyl, 2-, 3- or 4-mercaptobenzyl, 2-, 3- or 4-carboxybenzyl, 2-, 3- or 4-hydroxyphenethyl, 2-, 3- or 4-aminophenethyl, 2-, 3- or 4-mercaptophenethyl, or 2-, 3- or 4-carboxyphenethyl.

8. A process according to claim 1 , wherein Z is D-Phe-M, Phe-M, D-Trp-M, Trp-M, D-Tyr-M, Tyr-M, D-Phg-M, Phg-M, D-homo-Phe-M, homo-Phe-M or D-Phe-Lys-Gly.

9. A compound according to claim 1 , wherein Z is D-Phe-M, Phe-M, D-Trp-M, Trp-M, D-Tyr-M, Tyr-M, D-Phg-M, Phg-M, D-homo-Phe-M, homo-Phe-M or D-Phe-Lys-Gly and X is —CO—CH═CH 2 , —NH—CH═CH 2 , or —NH—(CH 2 ) p —SH.

10. A process according to claim 1 , wherein

Z is D-Phe-M, Phe-M, D-Trp-M, Trp-M, D-Tyr-M, Tyr-M, D-Phg-M, Phg-M, D-homo-Phe-M, homo-Phe-M or D-Phe-Lys-Gly and

X is —CO—CH═CH 2 or —NH—(CH 2 ) p —SH.

11. A process according to claim 1 , wherein

Z is D-Phe-M, Phe-M, D-Trp-M, Trp-M, D-Tyr-M, Tyr-M, D-Phg-M, Phg-M, D-homo-Phe-M, homo-Phe-M or D-Phe-Lys-Gly

X is —CO—CH═CH 2 , —NH—CH═CH 2 or —NH—(CH 2 ) p —SH and

R1 is alkylene having 1-10 C atoms wherein 1 or 2 methylene groups can be replaced by S, —CH═CH— or —C≡C—.

12. A process according to claim 1 , wherein

R is cyclo-(Arg-Gly-Asp-D-Phe-M), and

X is —CO—CH═CH 2 , —NH—CH═CH 2 or —NH—(CH 2 ) p —SH.

13. A process according to claim 1 , wherein

R is cyclo-(Arg-Gly-Asp-D-Phe-M) or,

Q is —CO—(CH 2 ) 5 —NH, —CO—(CH 2 ) 2 —CO—, —CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—, —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) 2 —CO—(CH 2 ) 5 —NH—, —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) 1 —CO—(CH 2 ) 5 —NH— or —(CO—(CH 2 ) 5 —NH) 2 —,

X is —CO—CH═CH 2 , —NH—CH═CH 2 or —NH—(CH 2 ) p —SH, and

R1 is alkylene having 1-10C atoms wherein 1 or 2 methylene groups can be replaced by S, —CH═CH— or —C≡C—.

14. A process according to claim 1 , wherein

Z is D-Phe-Lys-Gly, and

X is —CO—CH═CH 2 , —NH—CH═CH 2 or —NH—(CH 2 ) p —SH.

15. A process according to claim 14 , wherein

Z is D-Phe-Lys-Gly,

Q is —CO—(CH 2 ) 5 —NH, —CO—(CH 2 ) 2 —CO—, —CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—, —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—) 2 —CO—(CH 2 ) 5 —NH—, —(CO—CH 2 —O—CH 2 CH 2 —O—CH 2 CH 2 —NH—)1-CO—(CH 2 ) 5 —NH— or —(CO—(CH 2 ) 5 —NH) 2 —,

X is —CO—CH═CH 2 , —NH—CH═CH 2 or —NH—(CH 2 ) p —SH, and

R 1 is alkylene having 1-10C atoms wherein 1 or 2 methylene groups can be replaced by S, —CH═CH— or —C≡C—.