The present invention provides an electrolyte solution for a non-aqueous electrolyte battery capable of an exerting high average discharge voltage and an excellent low-temperature output characteristic at 30 C. or lower and an excellent cycle characteristic and an excellent storage characteristic at high temperatures of 50 C. or higher, as well as a non-aqueous electrolyte battery containing the same. The present electrolyte solution comprises a non-aqueous solvent, a solute, at least one silane compound represented by the following general formula (1) as a first compound, and a fluorine-containing compound represented by the following general formula (3), for example, as a second compound.

Si(R.sup.1).sub.a(R.sup.2).sub.4-a(1)

##STR00001##

To provide a material suitable for a nonaqueous electrolyte battery having high-temperature durability. An ionic complex of the present invention is represented by any of the following formulae (1) to (3). For example, in the formula (1), A is a metal ion, a proton, or an onium ion; M is any of groups 13 to 15 elements. R.sup.1 represents a C.sub.1 to C.sub.10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom, or N(R.sup.2). R.sup.2 at this time represents hydrogen atom, alkali metal atom, a C.sub.1 to C.sub.10 hydrocarbon group which may have a ring, a heteroatom, or a halogen atom. R.sup.2 can also have a branched chain or a ring structure when the number of carbon atoms is 3 or more. Y is carbon atom or sulfur atom. a, o, n, p, q, and r are each predetermined integers.

##STR00001##

Oligonucleotide analogues comprising modified intersubunit linkages and/or modified 3 and/or 5-end groups are provided. The disclosed compounds are useful for the treatment of diseases where inhibition of protein expression or correction of aberrant mRNA splice products produces beneficial therapeutic effects.

A method for preparing a phosphorus-containing ligand is provided, which includes: mixing a phosphorus chloride compound, polypyridine ionic liquid-loaded porous microspheres with a first organic solvent to obtain a first mixture, and mixing a compound in Formula (2) with a second organic solvent to obtain a second mixture,

##STR00001## wherein Z is a multivalent aliphatic hydrocarbon group or a multivalent aromatic hydrocarbon group comprising at least one substituent group, wherein the substituent group is selected from hydrogen atom, halogen atom, C.sub.1-C.sub.10 alkyl group, C.sub.1-C.sub.10 alkoxy group, C.sub.1-C.sub.10 alkanoyl group, aryl group, heteroaryl group, cyano group, or nitro group, and n is an integer from 1 to 8; and mixing the first mixture with the second mixture to make the first mixture react with the second mixture to obtain a reaction mixture, removing generated HCl, filtrating to obtain a filter liquor, and treating the filter liquor to obtain the phosphorus-containing ligand.

A method for producing an imidic acid or an imidic acid salt having a phosphoryl group by a method for producing an imidic acid or an imidic acid salt represented by the following formula [1], including a reaction of allowing a phosphoryl isocyanate represented by the following formula [2] to react with a compound represented by the following formula [3]:

##STR00001##

A method for producing an imidic acid or an imidic acid salt having a phosphoryl group by a method for producing an imidic acid or an imidic acid salt represented by the following formula [1], including a reaction of allowing a phosphoryl isocyanate represented by the following formula [2] to react with a compound represented by the following formula [3]:

##STR00001##