39065-54-8Relevant articles and documents
Discovery of 9,10-dihydrophenanthrene derivatives as SARS-CoV-2 3CLpro inhibitors for treating COVID-19
Zhang, Jian-Wei,Xiong, Yuan,Wang, Feng,Zhang, Fu-Mao,Yang, Xiaodi,Lin, Guo-Qiang,Tian, Ping,Ge, Guangbo,Gao, Dingding
, (2021/12/09)
The epidemic coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has now spread worldwide and efficacious therapeutics are urgently needed. 3-Chymotrypsin-like cysteine protease (3CLpro) is an indispensable protein in viral replication and represents an attractive drug target for fighting COVID-19. Herein, we report the discovery of 9,10-dihydrophenanthrene derivatives as non-peptidomimetic and non-covalent inhibitors of the SARS-CoV-2 3CLpro. The structure-activity relationships of 9,10-dihydrophenanthrenes as SARS-CoV-2 3CLpro inhibitors have carefully been investigated and discussed in this study. Among all tested 9,10-dihydrophenanthrene derivatives, C1 and C2 display the most potent SARS-CoV-2 3CLpro inhibition activity, with IC50 values of 1.55 ± 0.21 μM and 1.81 ± 0.17 μM, respectively. Further enzyme kinetics assays show that these two compounds dose-dependently inhibit SARS-CoV-2 3CLpro via a mixed-inhibition manner. Molecular docking simulations reveal the binding modes of C1 in the dimer interface and substrate-binding pocket of the target. In addition, C1 shows outstanding metabolic stability in the gastrointestinal tract, human plasma, and human liver microsome, suggesting that this agent has the potential to be developed as an orally administrated SARS-CoV-2 3CLpro inhibitor.
Synthesis method and application of terephthalyl alcohol-derived bidentate phosphite ligand
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Paragraph 0033; 0036; 0037; 0050, (2019/01/06)
The invention discloses a synthesis method and an application of a terephthalyl alcohol-derived bidentate phosphite ligand. The ligand has the following structural formula defined in the specification, wherein R is H or t-Bu. The ligand is a white solid, and is stable in structure, simple in synthesis, high in yield and easy to prepare in large quantities; in a nitrogen atmosphere, the ligand anda palladium salt are subjected to reaction in an organic solvent to obtain a ligand/palladium catalyst, a Suzuki-Miyaura reaction is catalyzed, the reaction conversion rate is high and the substrate universality is high.
Lewis acid-catalyzed borono-minisci reactions of arylboronic acids and heterocycles
Biaco, Joyce L.,Jones, Savannah L.,Barker, Timothy J.
, p. 1687 - 1697 (2016/10/12)
A Lewis acid-catalyzed Minisci reaction between arylboronic acids and heterocycles has been developed. This radical-coupling reaction was demonstrated employing several different heterocycles as well as electron-rich arylboronic acids. Quinoline substrates afforded modest regioselectivity for substitution at the 4-position under the reaction conditions, in contrast to previously reported Br?nsted acid-mediated reactions with quinoline substrates that favored substitution at the 2-position.
