Abstract: Polyguanidines and methods of use thereof are described. In particular, polyguanidines of formula (I), formula (II), and formula (III) are described. The polyguanidines can be used to treat infection, such as bacterial, viral or fungal infection, and as an ex vivo microbial agent.

Abstract: Polyguanidines and methods of use thereof are described. In particular, polyguanidines of formula (I), formula (II), and formula (III) are described. The polyguanidines can be used to treat infection, such as bacterial, viral or fungal infection, and as an ex vivo microbial agent.

Abstract: Disclosed herein is a method of reducing the risk of a rhinovirus infection, the method includes administering to a subject a composition comprising iota-carrageenan in an antiviral effective amount as an active antiviral ingredient.

Abstract: A method for preparing polycondensation products of guanidine, aminoguanidine or diaminoguanidine G with one or more benzyl or allyl derivatives BA according to the following reaction scheme is provided: wherein X, R1, Gua, Y and Z are as defined in the specification. In the disclosed method, at least one benzyl or allyl derivative BA is subjected to a polycondensation reaction with excessive guanidine, aminoguanidine or diaminoguanidine G upon elimination of HX.

Abstract: A method for preparing polycondensation products of guanidine, aminoguanidine or diaminoguanidine G with one or more benzyl or allyl derivatives BA according to the following reaction scheme is provided: wherein X, R1, Gua, Y and Z are as defined in the specification. In the disclosed method, at least one benzyl or allyl derivative BA is subjected to a polycondensation reaction with excessive guanidine, aminoguanidine or diaminoguanidine G upon elimination of HX.

Abstract: Polycondensation products of aminoguanidine and/or 1,3-diaminoguanidine with one or more diamines are provided including polyguanidine derivatives of the following formula (I) or a salt thereof: wherein X is selected from —NH2, aminoguanidino and 1,3-diaminoguanidino; Y is selected from —H and —R1—NH2; or X and Y together represent a chemical bond to give a cyclic structure; R1 is selected from divalent organic radicals having 2 to 20 carbon atoms, in which optionally one or more carbon atoms are replaced by O or N; a and b are each 0 or 1, wherein a+b?2 if no 1,3-diaminoguanidine units are included; R2 is selected from —H and —NH2, wherein R2 is —NH2 if a+b=0, R2 is —H or —NH2 if a+b=1, and R2 is —H if a+b=2; and n?2. Production methods and uses of the polyguanidine derivatives are also provided.

Abstract: Polycondensation products of aminoguanidine and/or 1,3-diaminoguanidine with one or more diamines are provided including polyguanidine derivatives of the following formula (I) or a salt thereof: wherein X is selected from —NH2, aminoguanidino and 1,3-diaminoguanidino; Y is selected from —H and —R1—NH2; or X and Y together represent a chemical bond to give a cyclic structure; R1 is selected from divalent organic radicals having 2 to 20 carbon atoms, in which optionally one or more carbon atoms are replaced by O or N; a and b are each 0 or 1, wherein a+b?2 if no 1,3-diaminoguanidine units are included; R2 is selected from —H and —NH2, wherein R2 is —NH2 if a+b=0, R2 is —H or —NH2 if a+b=1, and R2 is —H if a+b=2; and n?2. Production methods and uses of the polyguanidine derivatives are also provided.

Abstract: Disclosed herein is a method of reducing the risk of a rhinovirus infection, the method includes administering to a subject a composition comprising iota-carrageenan in an antiviral effective amount as an active antiviral ingredient.

Abstract: A method for manufacturing an antiviral pharmaceutical composition for the prophylaxis or treatment of a rhinovirus infection that includes the utilization of iota-, kappa- or lambda-carrageenan or mixtures thereof.

Abstract: The invention relates to two novel substances, namely (1R,2S,3S,4R)-3-acetoxy-1,2,4,5-tetrahydroxy-7-methoxy-2-methyl-1,2,3,4-tetrahydroanthracene-9,10-dione (3-O-acetyl altersolanol M) and 8-(4,5,6-trihydroxy-7-methyl-2-methoxy-9,10-dioxo-9H,10H-anthracen-1-yl)-(1S,2S,3R,4S)-1,2,3,4,5-pentahydroxy-7-methoxy-2-methyl-1,2,3,4-tetrahydro-9H,10H-anthracene-9,10-dione (the atropisomers alterporriol I and J) to their use as anti-infectives and as anti-cancer agents, as well as to methods of producing the same.

Abstract: The present invention relates to the use of the following anthracene derivatives as anti-infectives, preferably against multiply drug resistant pathogens: (2R,3S,10R)-2,3,5,10-tetrahydroxy-6-methoxy-3-methyl-1,2,3,4,4a,9a-hexahydro-9H,10H-anthracen-9-one (tetrahydroaltersolanol B), (1R,2R,3R,4aS,9aR,10R)-1,2,3,5,10-pentahydroxy-7-methoxy-2-methyl-1,2,3,4,4a,9a-hexahydro-9H,10H-anthracen-9-one (altersolanol K), (2R,3R,4R,4aS,9aS,10R)-2,3,4,8,10-pentahydroxy-6-methoxy-3-methyl-1,2,3,4,4a,9a-hexahydro-9H,10H-anthracen-9-one (altersolanol L), 8-(1,7-dihydroxy-6-methyl-3-methoxy-9,10-dioxo-9H,10H-anthracen-2-yl)-(1S,2S,3R,4S)-1,2,3,4,5-pentahydroxy-7-methoxy-2-methyl-1,2,3,4-tetrahydro-9H,10H-anthracen-9,10-dione (atropisomers alterporriol G and H); as well as (2R,3S,4aS,9aS,10R)-2,3,5,8,10-pentahydroxy-6-methoxy-3-methyl-1,2,3,4,4a,9a-hexahydro-9H,10H-anthracen-9-one (8-hydroxytetrahydroaltersolanol B).

Abstract: The present invention provides the use of a polymer for the manufacture of an antiviral pharmaceutical composition for the treatment of a rhinovirus infection, wherein the polymer is cellulose sulfate.

Abstract: A method for manufacturing an antiviral pharmaceutical composition for the prophylaxis or treatment of a rhinovirus infection that includes the utilization of iota-, kappa- or lambda-carrageenan or mixtures thereof.

Abstract: The present invention provides the use of carrageenan or mixtures thereof for the manufacture of an antiviral pharmaceutical composition for the treatment of rhinovirus infections.