Synthesis, X-Ray Crystal Structure, Hirshfeld Surface Analysis, and Molecular Docking Study of Novel Hepatitis B (HBV) Inhibitor: 8-Fluoro-5-(4-fluorobenzyl)-3-(2-methoxybenzyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one
Ivashchenko AV, Mitkin OD, Kravchenko DV, Kuznetsova IV, Kovalenko SM, Bunyatyan ND, Langer T
Applications: ELISA
Reactive species: Human
"Abstract: A method for the synthesis of 8-fluoro-5-(4-fluorobenzyl)-3-(2-methoxybenzyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one has been developed and the electronic and spatial structure of a new biologically active molecule has been studied both theoretically and experimentally. The title compound was crystallized from acetonitrile and the single-crystal X-ray analysis has revealed that it exists in a monoclinic P21/n space group, with one molecule in the asymmetric part of the unit cell, a = 16.366(3) Å, b = 6.0295(14) Å, c = 21.358(4) Å, β = 105.21(2)°, V = 2033.7(7) Å3 and Z = 4. Hirshfeld surface analysis was used to study intermolecular interactions in the crystal. Molecular docking studies have evaluated the investigated compound as a new inhibitor of hepatitis B. Testing for anti-hepatitis B virus activity has shown that this substance has in vitro nanomolar inhibitory activity against Hepatitis B virus (HBV)."
Article snippet: Next, cell supernatants (50 μL) were analyzed for viral antigen content using a commercial HBeAg ELISA 4.0 kit (Creative Diagnostics, catalog number DEIA003) according to the kit manufacturer’s protocol and the optical density of each analyzed well was measured at a wavelength of 450 nm using a plate densitometer.
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