Pyrrolines, also called dihydropyrroles, are obtained from aromatic pyrroles by hydrogenation. 1-pyrroline is a cyclic imine, while 2-pyrroline and 3-pyrroline are cyclic amines.
Benzene is an important organic compound with the chemical formula C6H6, and its molecule consists of a ring of 6 carbon atoms, each with 1 hydrogen atom. Benzene is a sweet, flammable, colorless and transparent liquid with carcinogenic toxicity at room temperature, and has a strong aromatic odor. It is insoluble in water, easily soluble in organic solvents, and can also be used as an organic solvent itself. The ring system of benzene is called benzene ring, and the structure after removing one hydrogen atom from the benzene ring is called phenyl. Benzene is one of the most important basic organic chemical raw materials. Many important chemical intermediates can be derived from benzene through substitution reaction, addition reaction and benzene ring cleavage reaction.
Epstein–Barr virus (EBV) has been associated with malignant lymphomas of B-cell, T-cell, and NK-cell origin. EBV infection of lymphoma cells leads to the development of cancers with an unmet medical need. The innovative ‘Kick and Kill’ approach targets EBV with Nanatinostat and Valganciclovir, in which Nanatinostat activates Ganciclovir by inducing the expression of EBV kinase genes. Ganciclovir then converts to cytotoxic form and results in apoptosis
Histone deacetylase (HDAC) is involved in the regulation of gene expression. HDAC inhibition induces cell cycle arrest and reactivates normal expression of tumor cells. Nanatinostat is such a potent hydroxamic acid-based class I-selective HDAC inhibitor. Nanatinostat is being studied with the antiviral agent Valganciclovir in EBV-associated malignancies. Viracta Therapeutics recently reports positive topline Nana-val results from stage 1 of the NAVAL-1 Trial from both arms of the relapsed or refractory (R/R) Epstein-Barr virus-positive (EBV+) peripheral T-cell lymphoma (PTCL) cohort.
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