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25529-64-0

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25529-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25529-64-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,2 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25529-64:
(7*2)+(6*5)+(5*5)+(4*2)+(3*9)+(2*6)+(1*4)=120
120 % 10 = 0
So 25529-64-0 is a valid CAS Registry Number.

25529-64-0Relevant articles and documents

Synthesis, structural characterisation and anti-proliferative activity of NHC gold amino acid and peptide conjugates

Lemke, Jessica,Pinto, Antonio,Niehoff, Philip,Vasylyeva, Vera,Metzler-Nolte, Nils

, p. 7063 - 7070 (2009)

We report the synthesis of new NHC gold(i) and NHC gold(iii) halide, amino acid and dipeptide complexes. Transmetallation of the N-phenylalanine- substituted NHC silver complex 3 with Me2SAuCl yields the phenylalanine-NHC gold(i) conjugate 4a. Halide exchange with LiBr and oxidation of 4a with Br2 in CH2Cl2 yields the phenylalanine-NHC Au(i) and Au(iii) bromides 4b and 4c, respectively. Reaction of N-Boc protected cysteine methyl ester (Boc-Cys-OMe) or the dipeptide N-Boc-Leu-Cys-OMe with the NHC gold chloride 6a yields the (NHC)Au-S complexed amino acid and dipeptide derivatives 8 and 9. The NHC gold(iii) complexes 4c and 6c were characterised by single crystal X-ray analysis. All of the tested gold carbene complexes showed significant anti-tumor activity on the HeLa, HepG2 and HT-29 cancer cell lines. The best compounds show activity comparable to the well-known anti-cancer drug cisplatin. There seems to be no clear cut structure-activity relationship in the compounds tested, nor did we observe a dependence on the metal oxidation state or the different halide substituents. Given the ease of preparation, stability and high activity of the compounds described herein, it may be possible to design tumor-specific anti-cancer agents based on NHC gold amino acid conjugates in the future.

Site-Tunable Csp3 -H Bonds Functionalization by Visible-Light-Induced Radical Translocation of N-Alkoxyphthalimides

Wang, Chuanyong,Yu, Yangyang,Liu, Wen-Long,Duan, Wei-Liang

supporting information, p. 9147 - 9152 (2019/11/14)

Site-tunable functionalization of C(sp3)-H bonds has been accomplished through radical translocation and cross-coupling. Upon irradiation with visible light, copper-based photocatalyst [Cu(Xantphos)(dmp)]BF4 enabled cross-coupling of N-alkoxyphthalimides with amino acid esters or amino acids to provide δ-C(sp3)-H alkylated alcohols (31 examples, up to 92% yield) with additive BNDHP or α-C(sp3)-H alkylated alcohols (18 examples, up to 86% yield) with additive DABCO in a highly regioselective fashion.

1,2,3-TRIAZOLE-BASED PEPTIDOMIMETIC INTEGRIN INHIBITORS FOR THE DIAGNOSIS AND THERAPY OF TUMORS

-

Page/Page column 25, (2011/09/15)

The present invention refers to the field of chemical compounds bearing a 1,2,3-triazole ring of formula (I) and possessing guanidino and carboxylic groups or their isosteres, their preparation by Cu-catalyzed "click-chemistry", and medical - diagnostic use in pathologies where angiogenesis is altered, for example pathologic conditions of tumor origin, tumor metastasis, osteoporosis, and rheumatoid arthritis.

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