摘要:
A compound of the formula: wherein R1 is selected from H, methyl, ethyl, carboxyl protecting groups and hydrophilic moieties, R2 and R3 are independently selected from H, methyl, ethyl and carboxyl protecting groups, R4 is selected from H, methyl, ethyl, hydrophilic moieties and carboxyl protecting groups, and R5 is an aryl, heteroaryl, alkyl or a combination of these groups and is substituted with a carbonyl group, an aminooxy group or a functional group suitable for participating in a cycloaddition reaction. The compounds of the invention may be useful as bifunctional chelating agents which allow chemoselective attachment to targeting molecules.
摘要:
A compound, or a pharmaceutically acceptable salt or ester thereof, comprises the structure: [(P1-S1j)p-L-(S2q-P2)r]t wherein: P1 and P2, which may be the same or different, are cyclic oligopeptide moieties, at least one of P1 and P2 having the motif B-Arg or B-(Me) Arg within the cyclic moiety, wherein B is a basic amino acid, a derivative thereof, or phenylalanine or a derivative thereof; S1 and S2 are spacer groups, which may be the same or different; L is a linker moiety containing at least two functional groups for attachment of the cyclic oligopeptides or spacer groups; n and q are independently 0 or 1; p and r are independently integers of 1 or more; and t is an integer of 1 or more, provided that, when t, p or r is greater than 1, the cyclic oligopeptide moiety, spacer group and/or the value of j or q may be the same or different between the multiple (P1-S1j) moieties or multiple (S2q-P2) moieties.
摘要:
Provided herein are compounds or conjugates useful for diagnostic imaging and/or therapeutic purposes. Each compound or conjugate comprises a ligand for the chemokine receptor CXCR4 and a detectable label. The ligand has a binding affinity for the CXCR4 receptor, measured as IC50 in the presence of 125I-CPCR4, of 250 nM or lower, and the ligand comprises a cyclic oligopeptide moiety having the motif B-Arg or B-(Me)Arg within the cyclic moiety, wherein B is a basic amino acid, a derivative thereof, or phenylalanine, provided that the motif is B-Arg when B is a Nα-methyl derivative of a basic amino acid.
摘要:
The present invention, among others, relates to a compound having a structure according to formula (I) or a pharmaceutically acceptable salt thereof, wherein Xaa1 to Xaa4 are independently of each other, an optionally N-alkylated natural or unnatural amino acid, R is H or methyl, L is a linker moiety, Ar is a spacer comprising an aromatic moiety, and D comprises, preferably is i) a combination of an organic complexation agent and a detectable label; or ii) a detectable label, an organic complexation agent or an active substance, said active substance particularly being selected from cytotoxic agents, lipids, sugars, sugar conjugates, sugar derivatives, proteins and combinations thereof, with the proviso that -L-Ar-D does not comprise a 18F-benzoyl residue.
摘要:
A compound, or a pharmaceutically acceptable salt or ester thereof, comprises the structure: [(P1-S1j)p-L-(S2q-P2)r]t wherein: P1 and P2, which may be the same or different, are cyclic oligopeptide moieties, at least one of P1 and P2 having the motif B-Arg or B-(Me) Arg within the cyclic moiety, wherein B is a basic amino acid, a derivative thereof, or phenylalanine or a derivative thereof; S1 and S2 are spacer groups, which may be the same or different; L is a linker moiety containing at least two functional groups for attachment of the cyclic oligopeptides or spacer groups; n and q are independently 0 or 1; p and r are independently integers of 1 or more; and t is an integer of 1 or more, provided that, when t, p or r is greater than 1, the cyclic oligopeptide moiety, spacer group and/or the value of j or q may be the same or different between the multiple (P1-S1j) moieties or multiple (S2q-P2) moieties.
摘要:
A compound, or a pharmaceutically acceptable salt or ester thereof, comprises a ligand for the chemokine receptor CXCR4 and a detectable label, the ligand having a binding affinity for the CXCR4 receptor, measured as IC50 in the presence of 125I-CPCR4, of 25O nM or lower, wherein the ligand comprises a cyclic oligopeptide moiety having the motif B-Arg or B-(Me)Arg within the cyclic moiety, and wherein B is a basic amino acid; a derivative thereof, or phenylalanine, provided that the motif is B-Arg when B is a Nα-methyl derivative of a basic amino acid. In preferred embodiments, the cyclic oligopeptide moiety has the sequence: cyclo[D-Tyr/(Me)D-Tyr-B-Arg/(Me)Arg-Z-(Ala)n-X] wherein: B is as defined above; Z is an amino acid containing an aromatic group in its side chain; n is 1 or 0, provided that n is 1 only when the preceding four amino acids in the cyclic moiety sequence are D-Tyr/(Me)D-Tyr-Arg-Arg-NaI, NaI being L-3-(2-naphthyl)alanine; and X is selected from Gly, (Me)Gly, Ala, Dap (diaminopropionic acid), Dap(FP) ((N-fluoropropionyl)-diaminopropionic acid), Dab (diaminobutylic acid), Dab(FP) ((N-fluoropropionyl)-diaminobutyric acid), Dab(FB) ((N-fluorobenzoyl)-diaminobutyric acid) and Dap(FB) ((N-fluorobenzoyl)-diaminopiOpionic acid). The compounds may be useful for diagnostic imaging and/or therapeutic purposes.
摘要:
The present invention relates to the composition of small molecules and their use in the field of protein isolation, purification, stabilizing and/or enhancing its activity. In particular, the present invention relates to the synthesis and optimization of compounds comprising small peptides and peptide derivatives with affinity to coagulation Factor VIII and/or Factor VIII-like polypeptides and/or domains thereof. These compounds are useful for labeling, detecting, identifying, isolating and preferably for purifying, stabilizing and enhancing the activity of Factor VIII, Factor VIII-like polypeptides or domains thereof from physiological and non-physiological solutions comprising same. Further, these compounds may be used as ligands, which bind Factor VIII, Factor VIII-like polypeptides or domains thereof in methods of the present invention.
摘要:
The present invention pertains to compounds that show a high affinity to Factor VIII and Factor VIII-like proteins, and their uses. The compounds are characterized by the general Formula B-Q-X, wherein B represents a dipeptide, tripeptide, or a peptidomimetic; Q represents a spacer and X represents an anchoring molecule; Q and X are optional. These compounds can be used for coating a solid support material. The resulting coated solid support material can be used for purifying Factor VIII by means of affinity chromatography methods. In addition, the compounds of the present invention may be used for stabilizing Factor VIII and for enhancing its activity. The present invention thus pertains also to methods for manufacturing a stabilized Factor VIII containing medicament of increased activity. The inventive compounds can furthermore be used in diagnostic kits and as research tools.
摘要:
The invention relates to compounds of formula (I) B-Q-X1, wherein B is a bioactive, cell adhesive mediating molecule, selected from the group (i) and Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg-Lys (SEQ ID NO: 1) (ii), Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg-Lys (SEQ ID NO: 2) (iii), Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg-Lys (SEQ ID NO: 3) (iv), Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg (SEQ ID NO: 4) (v), Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn (SEQ ID NO: 5) (vi), Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg (SEQ ID NO: 6) (vii), wherein (i) X, Y, Z, R2, R3, R4, A, Ar, Hal, Het, Het1, n, m, o, p, q, s, t have the meanings cited in claim 1, Q is absent or is an organic spacer molecule, X1 is an anchor molecule selected from the group cited in claim 1, and the salts thereof, which can be used as integrin inhibitors particularly for treatment of illness, deficiencies and inflammations caused by implants and osteolytic illnesses such as osteoporosis, thrombosis, cardiac infarction and arteriosclerosis, in addition to the acceleration and strengthening of the integration process of implants or the biocompatible surface in tissue.
摘要翻译:本发明涉及式(I)BQX 1的化合物,其中B是选自(i)和Thr-Trp-Tyr-Lys-Ile-Ala的生物活性的细胞粘附介导分子 -Ph-Gln-Arg-Asn-Arg-Lys(SEQ ID NO:1)(ii),Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg-Lys(SEQ ID NO: )(iii),Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn-Arg-Lys(SEQ ID NO:3)(iv),Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln -Arg-Asn-Arg(SEQ ID NO:4)(v),Thr-Trp-Tyr-Lys-Ile-Ala-Phe-Gln-Arg-Asn(SEQ ID NO:5)(vi) -Tyr-Lys-Ile-Ala-Phe-Gln-Arg(SEQ ID NO:6)(vii),其中(i)X,Y,Z,R 2,R 3 A,Ar,Hal,Het,Het 1,n,m,o,p,q,s,t具有引用的含义 在权利要求1中,Q不存在或是有机间隔分子,X 1是选自权利要求1所述的基团的锚定分子及其盐,其可以用作整联蛋白抑制剂,特别是用于 治疗由植入物和溶骨性疾病引起的疾病,缺陷和炎症 例如骨质疏松症,血栓形成,心肌梗死和动脉硬化,以及植入物或组织中生物相容性表面的整合过程的加速和加强。
摘要:
The invention relates to novel cyclopeptides of the formula Icyclo-(nArg-nGly-nAsp-nD-nE) I,in whichD and E in each case independently of one another are Gly, Ala, .beta.-Ala, Asn, Asp, Asp(OR), Arg, Cha, Cys, Gln, Glu, His, Ile, Leu, Lys, Lys(Ac), Lys(AcNH.sub.2), Lys(AcSH), Met, Nal, Nle, Orn, Phe, 4-Hal-Phe, homo-Phe, Phg, Pro, Pya, Ser, Thr, Tia, Tic, Trp, Tyr or Val, which amino acid residues can also be derivatized,R is alkyl having 1-18 carbon atoms,Hal is F, Cl, Br, I,Ac is alkanoyl having 1-10 carbon atoms, aroyl having 7-11 carbon atoms or aralkanoyl having 8-12 carbon atoms,n denotes no substituent or an alkyl radical R, benzyl or an aralkyl radical having 7-18 carbon atoms on the alpha-amino function of the relevant amino acid residue,with the proviso that at least one amino acid residue has a substituent n and that, where residues of optically active amino acids and amino acid derivatives are involved, both the D and the L forms are included, and also their physiologically acceptable salts.These compounds act as integrin inhibitors and can be used in particular for the prophylaxis and treatment of disorders of the circulation, angiogenic disorders, microbial infections and in tumor therapy.