The present invention relates to a compound, or a dimer or a pharmaceutically acceptable salt or solvate of said compound or dimer, for use in a method for the treatment of a disease, disorder or condition caused by an RNA virus, said compound having the general structure shown in Formula (I).

##STR00001##

To provide a fluorinated ether compound capable of forming a surface layer excellent in fingerprint stain removability and abrasion resistance as before and more excellent in light resistance than ever. A fluorinated ether compound represented by A.sup.1—O—(R.sup.f1O).sub.m—A.sup.2, wherein A.sup.1 is a perfluoroalkyl group or the like, A.sup.2 is —Q.sup.1[—C(R.sup.11).sub.b(R.sup.12).sub.3−b].sub.a or the like, R.sup.f1 is a fluoroalkylene group, m is from 2 to 500, Q.sup.1 is a a+1 valent organic group, R.sup.11 is —Q.sup.2—Si(R.sup.21).sub.c(R.sup.22).sub.d(R.sup.23).sub.e, R.sup.12 is a hydrogen atom, a halogen atom or the like, a is an integer of from 1 to 3, b is 2 or 3, Q.sup.2 is a single bond or a bivalent organic group, R.sup.21 is —Q.sup.3—Si(R.sup.31).sub.3−g(R.sup.32).sub.g, R.sup.22 is an alkyl group, R.sup.23 is a hydrolyzable group or a hydroxy group, c, d and e are from 0 to 3, c+d+e is 3, c in at last one R.sup.11 among a plurality of R.sup.11 is 2 or 3, Q.sup.3 is a bivalent organic group, R.sup.31 is an alkyl group, R.sup.32 is a hydrolyzable group or a hydroxy group, and g is from 1 to 3.

An organosilicon compound can be efficiently produced by using metallic element-containing nanoparticles such as a platinum element-containing nanoparticle having a solvent on surface as a catalyst of the hydrosilylation reaction of alkenes.

Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain. The silane compound is chemically stable. When used as an additive to a nonaqueous electrolyte solution, the silane compound does not jeopardize the safety of lithium ion secondary batteries.

The present disclosure provides a nitrogen-containing compound, an electronic element and an electronic device, which belongs to the technical field of organic materials. The nitrogen-containing compound has a structure of Chemical Formula 1, wherein R.sub.1 and R.sub.2 are each independently selected from hydrogen or a group represented by Chemical Formula 1-1, and one and only one of R.sub.1 and R.sub.2 has the group of Chemical Formula 1-1; when R.sub.1 or R.sub.2 is selected from hydrogen, said R.sub.1 and R.sub.2 may be replaced by R.sub.4. The nitrogen-containing compound can improve the performance of electronic elements.

The present disclosure relates to a compound and a preparation method and application thereof, the compound having a chemical structure formula of:

##STR00001##

wherein M in the formula is selected from a group consisting of CF.sub.3 or CF.sub.2H, and R.sub.1, R.sub.2, and R.sub.3 are each independently selected from a group consisting of aryl, heteroaryl, and alkyl. The compound provided by the present disclosure can be used as a trifluoroethanolation reagent or difluoroethanolation reagent as synthetic intermediates of many organic compounds, and some of the compounds have pharmaceutical activity. The preparation steps of such compounds are simplified, with mild synthesis conditions and wide applicability of substrates.

A perfluoro(poly)ether group containing silane compound represented by the formula (1a) or the formula (1b):
A-Rf—X—SiQ.sub.kY.sub.3-k  (1a)
Y.sub.3-kQ.sub.kSi—X—Rf—X—SiQ.sub.kY.sub.3-k  (1b)
as defined herein. Also disclosed is a process for producing the compound, a surface-treating agent containing the compound, a pellet containing the surface-treating agent and an optical member including a base material and a layer formed on a surface of the base material from the compound.

A perfluoro(poly)ether group containing silane compound represented by the formula (1a) or the formula (1b):
A-Rf—X—SiQ.sub.kY.sub.3-k  (1a)
Y.sub.3-kQ.sub.kSi—X—Rf—X—SiQ.sub.kY.sub.3-k  (1b)
as defined herein. Also disclosed is a process for producing the compound, a surface-treating agent containing the compound, a pellet containing the surface-treating agent and an optical member including a base material and a layer formed on a surface of the base material from the compound.

According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound:

A.sub.1—B.sub.1—C.sub.1   Formula 1

wherein, in Formula 1, the variables are defined above.

Disclosed are amine-substituted naphthalene derivatives and organic light emitting diodes including the same. In the organic light emitting diodes, at least one of the amine-substituted naphthalene derivatives is employed in a hole auxiliary layer interposed between a hole transport layer and a light emitting layer to enable efficient hole transport to the light emitting layer, achieving high luminous efficiency and long lifetime.