70110-38-2Relevant articles and documents
Design, synthesis and biological evaluation of novel Pseudomonas aeruginosa DNA gyrase B inhibitors
Balraju, Vadla,Jogula, Sridhar,Krishna, Vagolu Siva,Meda, Nikhila,Sriram, Dharmarajan
, (2020/05/08)
In the present study, we attempted to develop a novel class of compounds active against Pseudomonas aeruginosa (Pa) by exploring the pharmaceutically well exploited enzyme targets. Since, lack of Pa gyrase B crystal structures, Thermus thermophilus gyrase B in complex with novobiocin (1KIJ) was used as template to generate model structure by performing homology modeling. Further the best model was validated and used for high-throughput virtual screening, docking and dynamics simulations using the in-house database for identification of Pa DNA gyrase B inhibitors. This study led to an identification of three lead molecules with IC50 values in range of 6.25–15.6 μM against Pa gyrase supercoiling assay. Lead-1 optimization and expansion resulted in 15 compounds. Among the synthesized compounds six compounds were shown good enzyme inhibition than Lead-1 (IC50 6.25 μM). Compound 13 emerged as the most potential compound exhibiting inhibition of Pa gyrase supercoiling with an IC50 of 2.2 μM; and in-vitro Pa activity with MIC of 8 μg/mL in presence of efflux pump inhibitor; hence could be further developed as novel inhibitor for Pa gyrase B.
Salicylic acid based small molecule inhibitor for the oncogenic src homology-2 domain containing protein tyrosine phosphatase-2 (SHP2)
Zhang, Xian,He, Yantao,Liu, Sijiu,Yu, Zhihong,Jiang, Zhong-Xing,Yang, Zhenyun,Dong, Yuanshu,Nabinger, Sarah C.,Wu, Li,Gunawan, Andrea M.,Wang, Lina,Chan, Rebecca J.,Zhang, Zhong-Yin
experimental part, p. 2482 - 2493 (2010/09/03)
The Src homology-2 domain containing protein tyrosine phosphatase-2 (SHP2) plays a pivotal role in growth factor and cytokine signaling. Gain-of-function SHP2 mutations are associated with Noonan syndrome, various kinds of leukemias, and solid tumors. Thus, there is considerable interest in SHP2 as a potential target for anticancer and antileukemia therapy. We report a salicylic acid based combinatorial library approach aimed at binding both active site and unique nearby subpockets for enhanced affinity and selectivity. Screening of the library led to the identification of a SHP2 inhibitor II-B08 (compound 9) with highly efficacious cellular activity. Compound 9 blocks growth factor stimulated ERK1/2 activation and hematopoietic progenitor proliferation, providing supporting evidence that chemical inhibition of SHP2 may be therapeutically useful for anticancer and antileukemia treatment. X-ray crystallographic analysis of the structure of SHP2 in complex with 9 reveals molecular determinants that can be exploited for the acquisition of more potent and selective SHP2 inhibitors.
Selective synthesis of isoquinolin-3-one derivatives combining Pd-catalysed aromatic alkylation/vinylation with addition reactions: The beneficial effect of water
Ferraccioli, Raffaella,Forni, Alessandra
experimental part, p. 3161 - 3166 (2009/12/07)
The three-component, palladium/norbornene-catalysed reaction of 1, haloamides 2 and properly substituted olefins 3 performed in DMF/water at: 80 °C selectively gave 5 and 6 through three- and. four-bond-forming reactions, respec tively. The presence of water was crucial to obtain products in fair to good yields,