Provided are: a water-soluble composition which has excellent storage stability and is adaptable to a wide range of light sources and capable of forming a highly fine pattern; a method of producing a cured product of the same; a cured product of the same; and an acylphosphinate. The water-soluble composition contains: an acylphosphinate (A) represented by Formula (I) below, wherein X.sup.1 represents an aryl group having 6 to 15 carbon atoms; X.sup.2 represents a linear alkyl group having 1 to 8 carbon atoms or the like; A.sup.m+ represents an alkali metal ion or the like; and m represents a number of 1 to 3; and a compound (B) having a group represented by Formula (II) below, wherein R.sup.1 represents a hydrogen atom or the like; Z.sup.1 represents an oxygen atom or the like; R.sup.2 represents a hydrogen atom or the like; Z.sup.2 represents an alkylene group having 1 to 6 carbon atoms; n represents a number of 0 to 30; * means a bond; and, when the compound (B) has plural groups represented by Formula (II), plural R.sup.1′s, Z.sup.1′s, Z.sup.2′s and n's are each optionally the same or different. ##STR00001##

The invention provides compounds of Formula (I), or pharmaceutically acceptable salts thereof: ##STR00001## The compounds, compositions, methods and kits of the invention are useful for the treatment of pain, itch, and neurogenic inflammation.

The present invention relates to amino- or ammonium-containing sulfonic acid, phosphonic acid and carboxylic acid derivatives, in particular the compounds of formula 1, 2, 3, 4, 5 or 6, and their medical use, including their use in the treatment, prevention or amelioration of an inflammatory, autoimmune and/or allergic disorder. ##STR00001##

The present invention relates to amino- or ammonium-containing sulfonic acid, phosphonic acid and carboxylic acid derivatives, in particular the compounds of formula 1, 2, 3, 4, 5 or 6, and their medical use, including their use in the treatment, prevention or amelioration of an inflammatory, autoimmune and/or allergic disorder. ##STR00001##

The present invention relates to prodrugs of 4-((1R,3S)-6-chloro-3-phenyl-2,3-dihydro-1H-inden-1-yl)-1,2,2-trimethylpiperazine in the form of 1a and 1b; and 4-((1R,3S)-6-chloro-3-(phenyl-d.sub.5)-2,3-dihydro-1H-inden-1-yl)-2,2-dimethyl-1-(methyl-d.sub.3)piperazine in the form of 2a and 2b, wherein X—is a counter ion, or pharmaceutically acceptable salts thereof. The present invention also provides pharmaceutical compositions comprising prodrugs, or pharmaceutically acceptable salts thereof, of the invention.

##STR00001## ##STR00002##

The present invention relates to prodrugs of 4-((1R,3S)-6-chloro-3-phenyl-2,3-dihydro-1H-inden-1-yl)-1,2,2-trimethylpiperazine in the form of 1a and 1b; and 4-((1R,3S)-6-chloro-3-(phenyl-d.sub.5)-2,3-dihydro-1H-inden-1-yl)-2,2-dimethyl-1-(methyl-d.sub.3)piperazine in the form of 2a and 2b, wherein X—is a counter ion, or pharmaceutically acceptable salts thereof. The present invention also provides pharmaceutical compositions comprising prodrugs, or pharmaceutically acceptable salts thereof, of the invention.

##STR00001## ##STR00002##

The present invention relates to anhydrous tetraalkyl pnictogen perfluoroalkoxy salts and a process to produce anhydrous tetraalkyl pnictogen perfluoroalkoxy salts. The process involves contacting a hydrofluoroether and an amine to produce a tetraalkyl pnictogen perfluoroalkoxy salt in the presence of a solvent. The present invention also relates to processes of preparing fluoroalkyl ether acid fluoride polymers using tetraalkyl pnictogen perfluoroalkoxy salt. The present invention further relates to some novel fluorinated alkyl polyether polymers.

The present invention relates to anhydrous tetraalkyl pnictogen perfluoroalkoxy salts and a process to produce anhydrous tetraalkyl pnictogen perfluoroalkoxy salts. The process involves contacting a hydrofluoroether and an amine to produce a tetraalkyl pnictogen perfluoroalkoxy salt in the presence of a solvent. The present invention also relates to processes of preparing fluoroalkyl ether acid fluoride polymers using tetraalkyl pnictogen perfluoroalkoxy salt. The present invention further relates to some novel fluorinated alkyl polyether polymers.

The present disclosure provides an ionic liquid and a preparation method thereof, in particular, the present disclosure provides an ionic liquid whose halogen anions content and moisture content are low, and a method for preparing the same. The total content of halogen anions in the ionic liquid is less than 10 ppm, and moisture content in the ionic liquid is less than 50 ppm. The ionic liquid prepared by the method of the present disclosure is suitable for electrochemical systems which have high requirements for moisture content, such as lithium ion secondary batteries and electrochemical supercapacitors.

The present disclosure provides an ionic liquid and a preparation method thereof, in particular, the present disclosure provides an ionic liquid whose halogen anions content and moisture content are low, and a method for preparing the same. The total content of halogen anions in the ionic liquid is less than 10 ppm, and moisture content in the ionic liquid is less than 50 ppm. The ionic liquid prepared by the method of the present disclosure is suitable for electrochemical systems which have high requirements for moisture content, such as lithium ion secondary batteries and electrochemical supercapacitors.