Synthesis and Activity of Triazole-Adenosine Analogs as Protein Arginine Methyltransferase 5 Inhibitors
作者:Tyler Brown、Mengtong Cao、Y. George Zheng
DOI:10.3390/molecules27123779
日期:——
their ease of synthesis and functionalization as bioisosteres of amide bonds. Herein, we utilized the electronic properties of the triazole ring as a novel way to specifically target the cofactor-binding site of PRMT5. A total of about 30 compounds were synthesized using the modular alkyne-azide cycloaddition reaction. Biochemical tests showed that these compounds exhibited inhibitory activity of PRMT5
Visible-light-induced bifunctionalisation of (homo)propargylic amines with CO<sub>2</sub> and arylsulfinates
作者:Mandapati Bhargava Reddy、Eoghan M. McGarrigle
DOI:10.1039/d3cc04160c
日期:——
An unprecedented carboxylative sulfonylation of (homo)propargyl amines with CO2 and sodium arylsulfinates under visible light irradiation has been developed with high efficiency. This ruthenium-catalysed photochemical protocol offers broad substrate scope giving 2-oxazolidinones and 2-oxazinones bearing alkyl sulfones in good yields under ambient reaction conditions. An in situ double bond isomerisation
Folate analogs. 35. Synthesis and biological evaluation of 1-deaza, 3-deaza, and bridge-elongated analogs of N10-propargyl-5,8-dideazafolic acid
作者:Shu Wen Li、M. G. Nair、Donna M. Edwards、R. L. Kisliuk、Y. Gaumont、I. K. Dev、D. S. Duch、J. Humphreys、G. K. Smith、Robert Ferone
DOI:10.1021/jm00113a011
日期:1991.9
Structural modifications at the pyrimidine ring and at the C-9,N-10-bridge region of the thymidylate synthase (TS) inhibitors N-10-propargyl-5,8-dideazafolate (1; PDDF; CB 3717), 2-desamino-N10-propargyl-5,8-dideazafolate (2, DPDDF), and 2-desamino-2-methyl-N-10-propargyl-5,8-dideazafolate (3, DMPDDF) have been carried out. Methods for the synthesis of 2-desamino-N-10-propargyl-1,5,8-trideazafolate (4), 2-desamino-2-methyl-N-10-propargyl-3,5,8-trideazafolate (5a), and 2-desamino-2-methyl-N10-propargyl-5,8-dideaza-1,2-dihydrofolate (6) have been developed. The bridge-extended analogues isohomo-PDDF (7) and isohomo-DMPDDF (8) contain an additional methylene group interposed between N-10 and the phenyl ring of 1 and 3, respectively. All new compounds were evaluated as inhibitors of TS and the growth of tumor cells in culture. Selected analogues were tested as substrates of folylpolyglutamate synthetase (FPGS) and striking differences in substrate activity were observed among these compounds, indicating that structural modifications at the pyrimidine ring of classical antifolates profoundly influence their polyglutamylation. Enzyme inhibition data established that both N1 and N3-H of the pyrimidine ring are essential for efficient binding of quinazoline-type antifolates to human TS.
Structurally Diverse Histone Deacetylase Photoreactive Probes: Design, Synthesis, and Photolabeling Studies in Live Cells and Tissue
作者:Shaimaa M. Aboukhatwa、Thomas W. Hanigan、Taha Y. Taha、Jayaprakash Neerasa、Rajeev Ranjan、Eman E. El‐Bastawissy、Mohamed A. Elkersh、Tarek F. El‐Moselhy、Jonna Frasor、Nadim Mahmud、Alan McLachlan、Pavel A. Petukhov
DOI:10.1002/cmdc.201900114
日期:2019.6.5
tools to study how these factors affect engagement of HDAC isoforms by HDAC inhibitors (HDACi) in cells and tissues are needed. In this study, a synthetic strategy to access chemically diverse photoreactive probes (PRPs) was developed and used to prepare seven novel HDAC PRPs 9-15. The class I HDAC isoform engagement by PRPs was determined in biochemical assays and photolabeling experiments in live SET-2