Therapeutic composition and method of treating viruses

Abstract

The invention provides a novel therapeutic composition comprising a pharmaceutically acceptable carrier containing a therapeutically effective amount of an ethereal monosubstitution of a monosaccharide derivative having the general formula S-O-Y, wherein S is the residue of the monosaccharide derivative selected from the group consisting of pentoses, hexoses and heptoses as single or polysubstituted acetals, ketals or esters and Y is selected from the group consisting of cyclic monovalent nitrogen-containing organic radicals and residua and monovalent organic radicals and residua having the general formula ##STR1## wherein R 1 is a divalent organic radical having a linear carbon chain length of about 1-7 carbon atoms and R 2 and R 3 are selected from the group consisting of --H, --OH, --SH; halogen and monovalent organic radicals and residua having a linear carbon chain length of about 1-7 carbon atoms. The invention also provides certain novel ethereal monosubstitutions of monosaccharide derivatives, of which 3-O-3'-(N',N'-dimethylamino-n-propyl)-1,2-O-isopropylidene-D-glucofuranose is an example. The novel monosaccharide derivatives show striking antiviral activity or other therapeutically valuable properties and are useful as active ingredients in the above therapeutic composition. The invention further provides a method of therapeutically treating warm-blooded animals with the aforementioned therapeutic composition and novel monosubstituted monosaccharide derivatives.

I claim: 
     
       1. A .[.novel.]. therapeutic composition .Iadd.for treating a warm blooded animal .Iaddend.comprising a pharmaceutically acceptable carrier containing .[.a therapeutically effective amount of.]. at least one .[.substance.]. .Iadd.compound .Iaddend.selected from the group consisting of an .[.etheral.]. .Iadd.ethereal .Iaddend.monosubstitution of a monosaccharide derivative having the formula S--O--Y, and therapeutically effective and pharmaceutically acceptable organic acid and inorganic salts thereof, wherein S is the residue of a .[.monosaccharide selected from the group consisting of pentoses, hexoses and heptoses.]. .Iadd.hexose .Iaddend.which has been derivatized with at least one .[.substance.]. .Iadd.compound .Iaddend.selected from the group consisting of (a) at least one aliphatic alcohol containing 1-18 carbon atoms to produce an .[.acetal.]. .Iadd.ether .Iaddend.group at the site of at least one available hydroxyl group, (b) at least one aldehyde containing 1-18 carbon atoms to produce at least one acetal group at the site of at least one available hydroxyl group, (c) at least one ketone containing 1-18 carbon atoms to produce at least one ketal group at the site of at least one available hydroxyl group, and (d) at least one organic acid residue containing 1-18 carbon atoms to produce an ester group at the site of at least one available hydroxyl group, and Y is selected from the group consisting of .[.cyclic monovalent nitrogen containing organic.]. .Iadd.piperidyl and pyrrolidyl .Iaddend.radicals and monovalent organic radicals having the formula ##STR6## wherein R 1  is a divalent organic radical having a .[.linear crbon.]. .Iadd.carbon .Iaddend.chain length of about .[.1-7.]. .Iadd.1-4 .Iaddend.carbon atoms and R 2  and R 3  are selected from the group consisting of .[.--H, --OH, --SH, halogen.]. .Iadd.hydrogen .Iaddend.and monovalent organic radicals having a .[.linear.]. carbon chain length of about .[.1-7.]. .Iadd.1-4 .Iaddend.carbon atoms. 
     
     
       2. A .[.novel.]. therapeutic composition in accordance with claim 1 wherein Y is ##STR7## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1-3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. carbon chain length of 1-3 carbon atoms. 
     
     
       3. A .[.novel.]. therapeutic composition in accordance with claim 1 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-dimethylaminoethyl), and   -(2',N',N'-trimethylamino-n-propyl).   
     
     
       4. A .[.novel.]. therapeutic composition in accordance with claim 1 wherein Y is -(N',N'-dimethylamino-n-propyl). 
     
     
       5. A .[.novel.]. therapeutic compostion in accordance with claim 1 wherein the said ethereal monosubstitution of the monosaccharide derivative has a formula selected from the group consisting of: ##STR8## wherein X and Z are selected from the group consisting of H, OH, and monovalent hydroxyalkyl, alkoxyl and alkoxyalkyl radicals containing up to 3 carbon atoms, .Iadd.said selection of X and Z being made to form a hexose, .Iaddend.W is selected from the group consisting of H and monovalent alkyl, alkenyl, cyclic alkane, cyclic aromatic, and acyl radicals containing 1-18 carbon atoms, Y represents the same organic radicals as set out in claim 1, and one of the OH groups, X or Z in said formula is replaced by --O--Y. 
     
     
       6. A .[.novel.]. therapeutic composition in accordance with claim 5 wherein Y is ##STR9## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1∝3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. carbon chain length of 1-3 carbon atoms. 
     
     
       7. A .[.novel.]. therapeutic composition in accordance with claim 5 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   -(2',N',N'-triemthylamino-n-propyl).   
     
     
       8. A .[.novel.]. therapeutic composition in accordance with claim 5 wherein Y is -(N',N'-dimethylamino-n-propyl). .[. 
     
     
       9.  A novel therapeutic composition in accordance with claim 5 wherein the monosaccharide is a hexose..]. .[.10. A novel therapeutic composition in accordance with claim 9 wherein Y is.]. ##STR10## .[.R 1  is a hydrocarbon radical having a linear carbon chain length of 1-3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a linear carbon 
     
     
        chain length of 1-3 carbon atoms..]. .[.11.  A novel therapeutic composition in accordance with claim 9 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-N-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   -(2',N',N'-triemthylamino-n-propyl)..]. .[.12. A novel therapeutic composition in accordance with claim 9 wherein Y is   
     
     
        -(N',N'-dimethylamino-n-propyl)..]. 13. A .[.novel.]. therapeutic composition in accordance with claim 5 wherein the monosaccharide is 
     
     
        selected from the group consisting of glucose and galactose. 14. A .[.novel.]. therapeutic composition in accordance with claim 13 wherein the glucose is monosubstituted in the 1-O- or 3-O- position and the 
     
     
        galactose is monosubstituted in the 6-O- position. 15. A .[.novel.]. therapeutic composition in accordance with claim 14 wherein Y is ##STR11## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1-3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. 
     
     
        carbon chain length of 1-3 carbon atoms. 16. A .[.novel.]. therapeutic composition in accordance with claim 14 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N'N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   
     
     
       -(2',N',N'-trimethylamino-n-propyl). 17. A .[.novel.]. therapeutic composition in accordance with claim 14 wherein Y is 
     
     
        -(N',N'-dimethylamino-n-propyl). 18. A .[.novel.]. therapeutic composition in accordance with claim 13 wherein the ethereal monosubstitution of the monosaccharide derivative is selected from the group consisting of 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2-O-isopropylidene-D-glucofuranose,   3-O-4-(N'-methylpiperidyl)-1,2-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminoethyl)-1, 2-O-isopropylidene-D-glucofuranose,   3-O-3'-(2',N',N'-trimethylamino-n-propyl)-1, 2-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminopropyl)-1,2-O-isopropylidene-D-glucofuranose,   6-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2-O-isopropylidene-D-galactopyranose,   6-O-2'-(N',N'-dimethylaminopropyl)-1, 2-O-isopropylidene-D-galactopyranose,   3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-4'-(N'-methylpiperidyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminoethyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-3'-(2',N',N'-trimethylamino-n-propyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminopropyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   6-O-3'-(N',N'-dimethylamino-n-propyl)-1,2:3,4-di-O-isopropylidene-D-galactopyranose,   6-O-2'-(N',N'-dimethylaminopropyl)-1,2:3,4-di-O-isopropylidene-D-galactopyranose,   -N',N'dimethylamino-iso-propyl-2,3:5,6-di-O-isopropylidene-D-glucofuranoside, and therapeutically effective and pharmaceutically acceptable organic   
     
     
        and inorganic acid salts thereof. 19. A .[.novel.]. therapeutic composition in accordance with claim 13 wherein the ethereal monosubstitution of the monosaccharide derivative is 3-O-3'-(N',N'-dimethylamino-N-propyl)-1, 
     
     
        2-O-isopropylidene-D-glucofuranose. 20. A method of therapeutically treating .Iadd.a viral infection in .Iaddend.a warm blooded animal comprising therapeutically administering thereto .[.a therapeutically effective amount of.]. at least one .[.substance.]. .Iadd.compound.]. .Iaddend.selected from the group consisting of an ethereal monosubstitution of a monosaccharide derivative having the formula S--O--Y, and therapeutically effective and pharmaceutically acceptable organic acid and inorganic acid salts thereof, wherein S is the residue of a .[.monosaccharide selected from the group consisting of pentoses, hexoses and heptoses.]. .Iadd.hexose .Iaddend.which has been derivatized with at least one .[.substance.]. .Iadd.compound .Iaddend.selected from the group consisting of (a) at least one aliphatic alcohol containing 1-18 carbon atoms to produce an .[.acetal.]. .Iadd.ether .Iaddend.group at the site of at least one available hydroxyl group, (b) at least one aldehyde containing 1-18 carbon atoms to produce at least one acetal group at the site of at least one available hydroxyl group, (c) at least one ketone containing 1-18 carbon atoms to produce at least one ketal group at the site of at least one available hydroxyl group, and (d) at least one organic acid residue containing 1-18 carbon atoms to produce an ester group at the site of at least one available hydroxyl group, and Y is selected from the group consisting of .[.cyclic monovalent nitrogen containing organic.]. .Iadd.piperidyl and pyrrolidyl .Iaddend.radicals and monovalent organic radicals having the formula ##STR12## wherein R 1  is a divalent organic radical having a .[.linear.]. carbon chain length of about .[.1-7  .Iadd.1-4 .Iaddend.carbon atoms and R 2  and R 3  are selected from the group consisting of .[.--H, --OH, --SH, halogen.]. .Iadd.hydrogen .Iaddend.and monovalent organic radicals having a .[.linear.]. carbon chain length of about .[.1-7.]. .Iadd.1-4 .Iaddend.carbon atoms.Iadd., said compound being administered in an amount which is therapeutically effective to treat such viral infection.Iaddend.. 
     
     
        1. The method of claim 20 wherein Y is ##STR13## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1-3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. 
     
     
        carbon chain length of 1-3 carbon atoms. 22. The method of claim 20 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   
     
     
       -(2',N',N'-trimethylamino-n-propyl). 23. The method of claim 20 wherein Y 
     
     
        is -(N',N'-dimethylamino-n-propyl). 24. The method of claim 20 wherein the said ethereal monosubstitution of the monosaccharide derivative has a formula selected from the group consisting of: ##STR14## wherein X and Z are selected from the group consisting of H, OH, and monovalent hydroxyalkyl, alkoxyl and alkoxyalkyl radicals containing up to 3 carbon atoms, .Iadd.said selection of X and Z being made to form a hexose, .Iaddend.W is selected from the group consisting of H and monovalent alkyl, alkenyl, cyclic alkane, cyclic aromatic, and acyl radicals containing 1-18 carbon atoms, Y .[.represents the same organic radicals and residua as set out in claim 1,.]. .Iadd.is selected from the group consisting of piperidyl and pyrrolidyl radicals and monovalent organic radicals having the formula ##STR15## wherein R 1  is a divalent organic radical having a carbon chain length of about 1-4 carbon atoms and R 2  and R 3  are selected from the group consisting of hydrogen and monovalent organic radicals having a carbon chain length of about 1-4 carbon atoms .Iaddend.and one of the OH 
     
     
        groups, X or Z in said formula is replaced by --O--Y. 25. The method of claim 24 wherein Y is ##STR16## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1-3 carbon atoms, and R 2  and R are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. 
     
     
        carbon chain length of 1-3 carbon atoms. 26. The method of claim 24 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   
     
     
       -(2',N',N'-trimethylamino-n-propyl). 27. The method of claim 24 wherein Y is -(N',N'-dimethylamino-n-propyl). .[.28. The method of claim 24 wherein the monosaccharide is a hexose..]. .[.29. The method of claim 28 wherein Y is.]. ##STR17## .[.R 1  is a hydrocarbon radical having a linear carbon chain length of 1-3 carbon atoms, and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a linear carbon 
     
     
        chain length of 1-3 carbon atoms..]. .[.30.  The method of claim 28 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylamino isopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N',N'-diethylaminoethyl), and   -(2',N',N'trimethylamino-n-propyl)..]. .[.31. The method of claim 28   
     
     
        wherein Y is -(N',N'-dimethylamino-n-propyl)..]. 32. The method of claim 24 wherein the monosaccharide is selected from the group consisting of 
     
     
        glucose and galactose. 33. The method of claim 32 wherein the glucose is monosubstituted in the 1-O- or 3-O-position and the galactose is 
     
     
        monosubstituted in the 6-O- position. 34. The method of claim 33 wherein Y is ##STR18## R 1  is a hydrocarbon radical having a .[.linear.]. carbon chain length of 1-3 carbon atoms and R 2  and R 3  are selected from the group consisting of hydrogen and hydrocarbon radicals having a .[.linear.]. 
     
     
        carbon chain length of 1-3 carbon atoms. 35. The method of claim 33 wherein Y is selected from the group consisting of -(n-propylamino),   -(N',N'-dimethylamino-n-propyl),   -(N',N'-dimethylaminoisopropyl),   -(N-methyl piperidyl),   -(N',N'-dimethylaminoethyl),   -(N,N'-diethylaminoethyl), and   
     
     
       -(2',N',N'-trimethylamino-n-propyl). 36. The method of claim 33 wherein Y 
     
     
        is -(N',N'-dimethylamino-n-propyl). 37. The method of claim 32 wherein the ethereal monosubstitution of the monosaccharide derivative is selected from the group consisting of 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2-O-isopropylidene-D-glucofuranose,   3-O-4-(N'-methylpiperidyl)-1,2-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminoethyl)-1,2-O-isopropylidene-D-glucofuranose,   3-O-3'-(2',N',N'-trimethylamino-n-propyl)-1, 2-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminopropyl)-1, 2-O-isopropylidene-D-glucofuranose,   6-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2-O-isopropylidene-D-galactopyranose,   6-O-2'-(N',N'-dimethylaminopropyl-1, 2-O-isopropylidene-D-galactopyranose,   3-O-3'-(N',N'-dimethylamino-n-propyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-4'-(N'-methylpiperidyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminoethyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-3'-(2',N',N'-trimethylamino-n-propyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   3-O-2'-(N',N'-dimethylaminopropyl)-1,2:5,6-di-O-isopropylidene-D-glucofuranose,   6-O-3'-(N',N'-dimethylamino-n-propyl)-1,2:3,4-di-O-isopropylidene-D-galactopyranose,   6-O-2'-(N',N'-dimethylaminopropyl)-1,2:3,4-di-O-isopropylidene-D-galactopyranose,   α-N',N'-dimethylamino-iso-propyl-2,3:5,6-di-O-isopropylidene-D-glucof   
     
     
       urnaoside, and organic and inorganic acid salts thereof. 38. The method of claim 32 wherein the etereal monosubstitution of the monosaccharide derivative is 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 
     
     
        2-O-isopropylidene-D-glucofuranose. 39. In a method of growing tissue culture cells in a tissue culture medium in the absence of a viral infection wherein the tissue culture cells tend to die after being grown in the tissue culture medium over an extended period of time, the improvement which comprises increasing the life span of the tissue culture cells by growing them in a tissue culture medium which contains an effective amount of at least one .[.substance.]. .Iadd.compound .Iaddend.selected from the group consisting of an ethereal monosubstitution of a monosaccharide derivative having the formula S--O--Y, and therapeutically effective and pharmaceutically acceptable organic acid and inorganic acid salts thereof, wherein S is the residue of .[.a monosaccharide selected from the group consisting of pentoses, hexoses.]. .Iadd.hexose .Iaddend..[.and heptoses.]. which has been derivatized with at least one .[.substance.]. .Iadd.compound .Iaddend.selected from the group consisting of (a) at least one aliphatic alcohol containing 1-18 carbon atoms to produce an .[.acetal.]. .Iadd.ether .Iaddend.group at the site of at least one available hydroxyl group (b) at least one aldehyde containing 1-18 carbon atoms to produce at least one acetal group at the site of at least one available hydroxyl group (c) at least one ketone containing 1-18 carbon atoms to produce at least one ketal group at the site of at least one available hydroxyl group, and (d) at least one organic acid residue containing 1-18 carbon atoms to produce an ester group at the site of at least one available hydroxyl group, and Y is selected from the group consisting of .[.cyclic monovalent nitrogen containing organic.]. .Iadd.piperidyl and pyrrolidyl .Iaddend.radicals and monovalent organic radicals having the formula ##STR19## wherein R 1  is a divalent organic radical having a .[.linear.].carbon chain length of about .[.1-7.]. .Iadd.1-4 .Iaddend.carbon atoms and R 2  and R 3  are selected from the group consisting of .[.--H, --OH, --SH, halogen.]. .Iadd.hydrogen .Iaddend.and monovalent organic radicals having a .[.linear.]. carbon chain length of about .[.1-7.]. 
     
     
        .Iadd.1-4 .Iaddend.carbon atoms. 40. The method of claim 39 wherein the ethereal monosubstitution of the monosaccharide derivative is 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 
     
     
        2-O-isopropylidene-D-glucofuranose. 41. The method of claim 39 wherein the tissue culture cells being grown in the tissue culture medium are human 
     
     
        embryo cells. 42. The method of claim 41 wherein the ethereal monosubstitution of the monosaccharide derivative is 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 2-O-isopropylidene-D-glucofuranose. .[.43. A method of therapeutically treating a metastatic cancer in a warm blooded animal comprising administering thereto a therapeutically effective amount of at least one substance selected from the group consisting of an ethereal monosubstitution of a monosaccharide derivative having the formula S--O--Y, and thereapeutically effective and pharmaceutically acceptable organic acid and inorganic acid salts, thereof, wherein S is the resiue of a monosaccharide selected from the group consisting of pentoses, hexoses and heptoses which has been derivatized with at least one substance selected from the group consisting of (a) at least one aliphatic alcohol containing 1-18 carbon atoms to produce an acetal group at the site of at least one available hydroxyl group, (b) at least one aldehyde containing 1-18 carbon atoms to produce at least one acetal group at the site of at least one available hydroxyl group, (c) at least one ketone containing 1-18 carbon atoms to produce at least one ketal group at the site of at least one available hydroxyl group, and (d) at least one organic acid residue containing 1-18 carbon atoms to produce an ester group at the site of at least one available hydroxyl group, and Y is selected from the group consisting of cyclic monovalent nitrogen containing organic radicals and monovalent organic radicals having the formula.]. ##STR20## .[.wherein R 1  is a divalent organic radical having a linear carbon chain length of about 1-7 carbon atoms and R 2  and R 3  are selected from the group consisting of --H, --OH, --SH, halogen and monovalent organic radicals having a linear carbon chain length of about 
     
     
        1-7 carbon atoms..]. .[.44.  The method of claim 43 wherein the ethereal monosubstitution of the monosaccharide derivative is 3-O-3'-(N',N'-dimethylamino-n-propyl)-1, 
     
     
        2-O-isopropylidene-D-glucofuranose..]. 45. A .[.novel.]. therapeutic composition in accordance with claim 1 wherein the said substance is in the form of a salt of an acid selected from the group consisting of HCl, HBr, H 2  SO 4 , HNO 3 , benzoic acid, p-aminobenzoic acid, p-acetamidobenzoic acid, p-hydroxybenzoic acid, alkane sulfonic acids, p-toluene sulfonic acid, lower alkyl monocarboxylic acids, oxalic acid, tartaric acid, lactic acid, pyruvic acid, malic acid, succinic acid, 
     
     
        gluconic acid and glucuronic acid. 46. The .[.novel.]. therapeutic 
     
     
        composition in accordance with claim 45 wherein the said acid is HCl. 47. The .[.novel.]. therapeutic composition in accordance with claim 19 wherein the said 3-O-3'-(N',N'-dimethylamino-n-propyl)-D-glucose is in the form of a salt of an acid selected from the group consisting of HCl, HBr, H 2  SO 4 , HNO 3  benzoic acid, p-aminobenzoic acid, p-acetamidobenzoic acid, p-hydroxybenzoic acid, alkane sulfonic acids, p-toluene sulfonic acid, lower alkyl monocarboxylic acids, oxalic acid, tartaric acid, lactic acid, pyruvic acid, malic acid, succinic acid, 
     
     
        gluconic acid and glucuronic acid. 48. The .[.novel.]. therapeutic 
     
     
        composition in accordance with claim 47 wherein the said acid is HCl. 49. The method of claim 20 wherein the said substance is in the form of a salt of an acid selected from the group consisting of HCl, HBr, H 2  SO 4 , HNO 3 , benzoic acid, p-aminobenzoic acid, p-acetamidobenzoic acid, p-hydroxybenzoic acid, alkane sulfonic acids, p-toluene sulfonic acid, lower alkyl monocarboxylic acids, oxalic acid, tartaric acid, lactic acid, pyruvic acid, malic acid, succinic acid, gluconic acid and 
     
     
        glucuronic acid. 50. The method of claim 49 wherein the said acid is HCl. 
     
     
         1. The method of claim 38 wherein the said 3-O-3'-(N',N'-dimethylamino-n-propyl)-D-glucose is in the form of a salt of an acid selected from the group consisting of HCl, HBr, H 2  SO 4 , HNO 3 , benzoic acid, p-aminobenzoic acid, p-acetamidobenzoic acid, p-hydroxybenzoic acid, alkane sulfonic acids, p-toluene sulfonic acid, lower alkyl monocarboxylic acids, oxalic acid, tartaric acid, lactic acid, pyruvic acid, malic acid, succinic acid, gluconic acid and 
     
     
        glucuronic acid. 52. The method of claim 51 wherein the said acid is HCl. 
     
     
        .Iadd.53.  In a method of growing tissue culture cells in a tissue culture medium in the absence of a viral infection wherein the tissue culture cells tend to die after being grown in the tissue culture medium over an extended period of time, the improvement which comprises increasing the life span of the tissue culture cells by growing them in a tissue culture medium which contains an effective amount of at least one compound selected from the group consisting of ethereally monosubstituted monosaccharides having the formula S--O--Y, and therapeutically effective and pharmaceutically acceptable organic acid and inorganic acid salts thereof, wherein S is the residue of a hexose and Y is selected from the group consisting of piperidyl and pyrrolidyl radicals and monovalent organic radicals having the general formula ##STR21## wherein R 1  is a divalent organic radical having a carbon chain length of about 1-4 carbon atoms and R 2  and R 3  are selected from the group consisting of hydrogen and monovalent organic radicals having a 
     
     
        carbon chain length of about 1-4 carbon atoms. .Iaddend. .Iadd.54.  The composition of claim 1 wherein said monovalent nitrogen containing saturated, unsaturated or aromatic carbocyclic compounds contain about 5-6 carbon atoms in the ring; said branched or unbranched and saturated or unsaturated hydrocarbon radicals contain 1-3 carbon atoms; said carbocyclic acid residues contain 1-3 carbon atoms; and said 
     
     
        aminohydrocarbon radicals contain 1-3 carbon atoms. .Iaddend. .Iadd.55. The method of claim 20 wherein said viral infection is an influenza, a mumps, or a herpes infection and wherein said compound is administered in an amount which is therapeutically effective to treat said influenza, mumps, or herpes infection. .Iaddend. .Iadd.56. The method of claim 21 wherein said viral infection is an influenza, a mumps, or a herpes infection and wherein said compound is administered in an amount which is therapeutically effective to treat said influenza, mumps, or herpes infection. .Iaddend. .Iadd.57. The method of claim 22 wherein said viral infection is an influenza, a mumps, or a herpes infection and wherein said compound is administered in an amount which is therapeutically effective to treat said influenza, mumps, or herpes infection. .Iaddend. .Iadd.58. The method of claim 32 wherein said viral infection is an influenza, a mumps, or a herpes infection and wherein said compound is administered in an amount which is therapeutically effective to treat said influenza, mumps, or herpes infection. .Iaddend. .Iadd.59. The method of claim 38 wherein said viral infection is an influenza, a mumps, or a herpes infection and wherein said compound is administered in an amount which is therapeutically effective to treat said influenza, mumps, or herpes infection. .Iaddend.