20587-30-8Relevant academic research and scientific papers
Discovery and Structure-Activity Relationships of Quinazolinone-2-carboxamide Derivatives as Novel Orally Efficacious Antimalarials
Laleu, Beno?t,Akao, Yuichiro,Ochida, Atsuko,Duffy, Sandra,Lucantoni, Leonardo,Shackleford, David M.,Chen, Gong,Katneni, Kasiram,Chiu, Francis C. K.,White, Karen L.,Chen, Xue,Sturm, Angelika,Dechering, Koen J.,Crespo, Benigno,Sanz, Laura M.,Wang, Binglin,Wittlin, Sergio,Charman, Susan A.,Avery, Vicky M.,Cho, Nobuo,Kamaura, Masahiro
, p. 12582 - 12602 (2021/09/13)
A phenotypic high-throughput screen allowed discovery of quinazolinone-2-carboxamide derivatives as a novel antimalarial scaffold. Structure-activity relationship studies led to identification of a potent inhibitor 19f, 95-fold more potent than the origin
Tuning a robust system: N,O zinc guanidine catalysts for the ROP of lactide
Sch?fer, Pascal M.,McKeown, Paul,Fuchs, Martin,Rittinghaus, Ruth D.,Hermann, Alina,Henkel, Johanna,Seidel, Sebastian,Roitzheim, Christoph,Ksiazkiewicz, Agnieszka N.,Hoffmann, Alexander,Pich, Andrij,Jones, Matthew D.,Herres-Pawlis, Sonja
, p. 6071 - 6082 (2019/05/17)
Non-toxic, highly active and robust complexes are the holy grail as ideal green catalysts for the polymerisation of biorenewable and biodegradable polylactide. Four new zinc guanidine complexes [ZnCl2(TMG4NMe2asme)], [ZnCl2(TMG5Clasme)], [ZnCl2(TMG5Measme)] and [ZnCl2(TMG5NMe2asme)] with different electron-donating and electron-withdrawing groups on the ligand's aromatic backbone have been synthesised. Ligands are derived from low-cost commercially available compounds and have been converted by a three- or four-step synthesis process into the desired ligand in good yields. The compounds have been fully characterised and tested in the ROP of rac-LA under industrially relevant conditions. The complexes are based on the recently published structure [ZnCl2(TMGasme)] which has shown high activity in the polymerisation of lactide at 150 °C. Different substituents in the para-position of the guanidine moiety significantly increase the polymerisation rate whereas positioning substituents in the meta-position causes no change in the reaction rate. With molecular weights over 71000 g mol-1 being achievable, the best system produces polymers for multiple industrial applications and its polymerisation rate approaches that of Sn(Oct)2. The robust systems are able to polymerise non-purified lactide. The initiation of the polymerisation is suggested to occur due to impurities in the monomer.
Anti-inflammatory agents
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Page/Page column 137, (2016/02/05)
Disclosed are novel compounds that are useful in regulating the expression of interleukin-6 (IL-6) and/or vascular cell adhesion molecule-1 (VCAM-1), and their use in the treatment and/or prevention of cardiovascular and inflammatory diseases and related disease states, such as, for example, atherosclerosis, asthma, arthritis, cancer, multiple sclerosis, psoriasis, and inflammatory bowel diseases, and autoimmune disease(s). Also, disclosed are compositions comprising the novel compounds, as well as methods for their preparation.
COMPOUNDS FOR REGULATING FAK AND/OR SRC PATHWAYS
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Paragraph 151, (2015/03/28)
The present application provides novel optionally substituted fused pyridine and pyrimidine bicyclic compounds and pharmaceutically acceptable salts thereof. Also provided are methods for preparing these compounds. These compounds are useful in co-regulating FAK and/or Src activity by administering a therapeutically effective amount of one or more of the compounds to a subject. By doing so, these compounds are effective in treating conditions associated with the dysregulation of the FAK and/or Src pathway. Advantageously, these compounds perform as dual FAK and/or Src inhibitors. A variety of conditions can be treated using these compounds and include diseases which are characterized by inflammation or abnormal cellular proliferation. In one embodiment, the disease is cancer.
Synthetic approaches to natural antioxidant benzastatin E, F and G analogues
Le, Thanh Nguyen,Yang, Su Hui,Khadka, Daulat Bikram,Cho, Suk Hee,Zhao, Chao,Cho, Won-Jea
experimental part, p. 4309 - 4315 (2012/03/26)
For synthesis of benzastatin E, F and G analogues, the indole-2- carbaldehydes with or without substituents at C-5 position were prepared as key intermediates. Several synthetic attempts to achieve benzastatin E-G analogues were suggested using the indole-2-carbaldehyde intermediates.
PROCESS FOR PRODUCTION OF PHENYLALANINE DERIVATIVES HAVING QUINAZOLINEDIONE SKELETONS AND INTERMEDIATES FOR THE PRODUCTION
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Page/Page column 35, (2009/10/01)
A method for preparing a phenylalanine derivative having a quinazoline-dione ring represented by the following formula (1) or a pharmaceutically acceptable salt thereof, comprising the following steps (a), (b) and (c): (a) reacting an acyl phenylalanine d
Design, synthesis and identification of novel colchicine-derived immunosuppressant
Chang, Dong-Jo,Yoon, Eun-Young,Lee, Geon-Bong,Kim, Soon-Ok,Kim, Wan-Joo,Kim, Young-Myeong,Jung, Jong-Wha,An, Hongchan,Suh, Young-Ger
scheme or table, p. 4416 - 4420 (2010/04/05)
Synthesis and biological evaluation of various colchicine analogues through the mixed-lymphocyte reaction (MLR), lymphoproliferation, and inhibitory effects on the inflammatory genes are described. In addition, a new series of immunosuppressive agents developed on the structural basis of colchicine, as well as their structure-activity relationships is reported. The most potent analogue 20a exhibited an excellent immunosuppressive activity on in vivo skin-allograft model, which is comparable to that of cyclosporin A.
Discovering novel chemical inhibitors of human cyclophilin A: Virtual screening, synthesis, and bioassay
Li, Jian,Chen, Jing,Gui, Chunshan,Zhang, Li,Qin, Yu,Xu, Qiang,Zhang, Jian,Liu, Hong,Shen, Xu,Jiang, Hualiang
, p. 2209 - 2224 (2007/10/03)
Cyclophilin A (CypA) is a member of cyclophilins, a family of the highly homologous peptidyl prolyl cis-trans isomerases (PPIases), which can bind to cyclosporin A (CsA). CypA plays critical roles in various biological processes, including protein folding, assembly, transportation, regulation of neuron growth, and HIV replication. The discovery of CypA inhibitor is now of a great special interest in the treatment of immunological disorders. In this study, a series of novel small molecular CypA inhibitors have been discovered by using structure-based virtual screening in conjunction with chemical synthesis and bioassay. The SPECS_1 database containing 85,000 small molecular compounds was searched by virtual screening against the crystal structure of human CypA. After SPR-based binding affinity assay, 15 compounds were found to show binding affinities to CypA at submicro-molar or micro-molar level (compounds 1-15). Seven compounds were selected as the starting point for the further structure modification in considering binding activity, synthesis difficulty, and structure similarity. We thus synthesized 40 new small molecular compounds (1-6, 15, 16a-q, 17a-d, and 18a-l), and four of which (compounds 16b, 16h, 16k, and 18g) showed high CypA PPIase inhibition activities with IC50s of 2.5-6.2 μM. Pharmacological assay indicated that these four compounds demonstrated somewhat inhibition activities against the proliferation of spleen cells.
N-CARBAMOYL NITROGEN-CONTAINING FUSED RING COMPOUNDS AND DRUGS CONTAINING THESE COMPOUNDS AS THE ACTIVE INGREDIENT
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Page 57, (2008/06/13)
The present invention relates to the compound presented by formula (I) (wherein all symbols in formula (I) are the same mean as the description shown in the specification.), mitocondorial benzogeazepin receptor (MBR) antagonist comprising the compound, the preventive and/or treatment medicine against diseases caused by stress of which an active ingredient is the compound. Since the compound represented by formula (I) has MBR antagonistic activity, and controls the production of neurosteroid, it is useful as the preventive and/or treatment medicine against diseases caused by stress.
Nonpeptide bradykinin antagonist analogs based on a model of a sterling-winthrop nonpeptide bradykinin antagonist overlapped with cyclic hexapeptide bradykinin antagonist peptides
Dankwardt, Sharon M.,Ferla, Steven,Krstenansky, John L.,Bhakta, Sunil,Ostrelich, Helene,Jarnagin, Kurt
, p. 1921 - 1926 (2007/10/03)
A proposed overlap between cyclic hexapeptide Bradykinin antagonists and nonpeptide Bradykinin antagonists is discussed. Structural variations on both the peptides and nonpeptides support the proposed overlap based on an increase or decrease in the biological activities of the antagonists.
