Abstract: Disclosed herein is a method for treating or preventing a coronavirus infection, which comprises administering to a subject in need thereof an effective amount of a composition comprising Flt3 receptor interacting lectin (FRIL) from Lablab purpureus. Also disclosed is a pharmaceutical composition comprising a pharmaceutically acceptable excipient, a Lablab purpureus FRIL, and an additional therapeutic agent.

Abstract: The present invention relates to antiviral lectin and uses thereof. Particularly, the present invention relates to a complex-type (CX-type) and/or hybrid-type (HY-type) glycan binding lectin for use in treating or preventing influenza virus infection. The present invention also provides a method for treating or preventing influenza virus infection by administrating to a subject in need said lectin or a composition comprising the same.

Abstract: Novel dual-targeted, bifunctional anti-influenza drugs formed by conjugation with anti-inflammatory agents are disclosed. Exemplary drugs according to the invention include caffeic acid (CA)-bearing zanamivir (ZA) conjugates ZA-7-CA (1), ZA-7-CA-amide (7) and ZA-7-Nap (43) for simultaneous inhibition of influenza virus neuraminidase and suppression of proinflammatory cytokines. Synthetic methods for preparation of these enhanced anti-influenza conjugate drugs are provided. The synthetic bifunctional ZA conjugates act synergistically towards protection of mice lethally infected by H1N1 or H5N1 influenza viruses. The efficacy of ZA-7-CA, ZA-7-CA-amide and ZA-7-Nap conjugates is much greater than the combination therapy of ZA with anti-inflammatory agents.

Abstract: Novel dual-targeted, bifunctional anti-influenza drugs formed by conjugation with anti-inflammatory agents are disclosed. Exemplary drugs according to the invention include caffeic acid (CA)-bearing zanamivir (ZA) conjugates ZA-7-CA (1), ZA-7-CA-amide (7) and ZA-7-Nap (43) for simultaneous inhibition of influenza virus neuraminidase and suppression of proinflammatory cytokines. Synthetic methods for preparation of these enhanced anti-influenza conjugate drugs are provided. The synthetic bifunctional ZA conjugates act synergistically towards protection of mice lethally infected by H1N1 or H5N1 influenza viruses. The efficacy of ZA-7-CA, ZA-7-CA-amide and ZA-7-Nap conjugates is much greater than the combination therapy of ZA with anti-inflammatory agents.

Abstract: A method of treating coronavirus infection. The method includes administering to a subject suffering from or being at risk of suffering from such infection an effective amount of a compound of formula (I). Each variable in this formula is defined in the specification.

Abstract: Novel phosphonate compounds are described. The compounds have activity as neuraminidase inhibitors against wild-type and H274Y mutant of H1N1 and H5N1 viruses. The present disclosure also provides an enantioselective synthetic route to known neuraminidase inhibitors oseltamivir and the anti-flu drug Tamiflu®, as well as novel phosphonate compounds, via D-xylose. Another efficient and flexible synthesis of Tamiflu and the highly potent neuraminidase inhibitor Tamiphosphor was also achieved in 11 steps and >20% overall yields from the readily available fermentation product (1S-cis)-3-bromo-3,5 -cyclohexadiene-1,2-diol. Most of the reaction intermediates were obtained as crystals without tedious purification procedures. The key transformations include an initial regio- and stereoselective bromoamidation of a bromoarene cis-dihydrodiol, as well as the final palladium-catalyzed carbonylation and phosphonylation.

Abstract: Novel phosphonate compounds are described. The compounds have activity as neuraminidase inhibitors against wild-type and H274Y mutant of H1N1 and H5N1 viruses. The present disclosure also provides an enantioselective synthetic route to known neuraminidase inhibitors oseltamivir and the anti-flu drug Tamiflu®, as well as novel phosphonate compounds, via D-xylose. Another efficient and flexible synthesis of Tamiflu and the highly potent neuraminidase inhibitor Tamiphosphor was also achieved in 11 steps and >20% overall yields from the readily available fermentation product (1S-cis)-3-bromo-3,5-cyclohexadiene-1,2-diol. Most of the reaction intermediates were obtained as crystals without tedious purification procedures. The key transformations include an initial regio- and stereoselective bromoamidation of a bromoarene cis-dihydrodiol, as well as the final palladium-catalyzed carbonylation and phosphonylation.

Abstract: A method for treating coronavirus infection by administering to a subject in need of the treatment an effective amount of one or more of the following compounds: aklavin, sanguinarine, amiodarone, chlorpromazine, clomiphene, dihydroergotamine, dipyridamole, emetine, ephedrine, prochlorperazine, promazine, propiomazine, aminacrine, fluphenazine, fenoterol, peruvoside, proglumide, atenolol, nerifolin, nefopam, cycloheximide, avermectin B1, bepridil, cinnarizine, ethisterone, pararosaniline, methylbenzethonium, niclosamide, pipobroman, homidium, calcimycin, anisomycin, metergoline, amodiaquine, danazol, danthron, ethopropazine, eucatropine, nortriptyline, resorcinol, mebhydrolin, mebeverine, trimipramine, triflupromazine, chlorprothixene, cyclobenzaprine, enoxacin, sulfanitran, monensin, nigericin, perphenazine, methoxamine, astemizole, trifluoperazine, acriflavinium, rotenone, acebutolol, quabain, methiothepin, convallatoxin, halcinonide, cyclosporin, pimethixene, mycophenolic acid, promethazine, mesoridazine,

Abstract: A method for treating coronavirus infection by administering to a subject in need of the treatment an effective amount of one or more of the following compounds: aklavin, sanguinarine, amiodarone, chlorpromazine, clomiphene, dihydroergotamine, dipyridamole, emetine, ephedrine, prochlorperazine, promazine, propiomazine, aminacrine, fluphenazine, fenoterol, peruvoside, proglumide, atenolol, nerifolin, nefopam, cycloheximide, avermectin B1, bepridil, cinnarizine, ethisterone, pararosaniline, methylbenzethonium, niclosamide, pipobroman, homidium, calcimycin, anisomycin, metergoline, amodiaquine, danazol, danthron, ethopropazine, eucatropine, nortriptyline, resorcinol, mebhydrolin, mebeverine, trimipramine, triflupromazine, chlorprothixene, cyclobenzaprine, enoxacin, sulfanitran, monensin, nigericin, perphenazine, methoxamine, astemizole, trifluoperazine, acriflavinium, rotenone, acebutolol, quabain, methiothepin, convallatoxin, halcinonide, cyclosporin, pimethixene, mycophenolic acid, promethazine, mesoridazine,

Abstract: Compositions and methods for the treatment viral infections in organisms, particularly flu virus. The methods and compositions of the disclosure involve the administration to mammals and immune cells of a fucose-containing glycoprotein fraction from Reishi. An extract of G. lucidum induces immune responses that are shown to induce increase survivability in mice injected with lethal does of influenza virus. The effect is increased when the G. lucidum extract is dosed prior to injection of the lethal dose of influenza virus.

Abstract: A method of treating coronavirus infection. The method includes administering to a subject suffering from or being at risk of suffering from such infection an effective amount of a compound of formula (I). Each variable in this formula is defined in the specification.