Provided are: a charge-transporting varnish that contains a charge-transporting substance comprising an oligoaniline derivative represented by formula (1), a charge transporting substance that does not contain fluorine atoms, and an organic solvent; and an organic electroluminescent element including a thin film obtained from the varnish. ##STR00001##
(In the formula: R.sup.1 represents a hydrogen atom or an alkyl group that may be substituted; R.sup.2 to R.sup.10 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, or an alkyl group, alkenyl group, alkynyl group, aryl group or heteroaryl group that may be substituted; A represents a prescribed fluorine atom-containing substituent; and k represents an integer from 1 to 20.)

Provided are: a charge-transporting varnish that contains a charge-transporting substance comprising an oligoaniline derivative represented by formula (1), a charge transporting substance that does not contain fluorine atoms, and an organic solvent; and an organic electroluminescent element including a thin film obtained from the varnish. ##STR00001##
(In the formula: R.sup.1 represents a hydrogen atom or an alkyl group that may be substituted; R.sup.2 to R.sup.10 each independently represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, or an alkyl group, alkenyl group, alkynyl group, aryl group or heteroaryl group that may be substituted; A represents a prescribed fluorine atom-containing substituent; and k represents an integer from 1 to 20.)

Described herein are compounds and compositions for the amelioration of arthritis or joint injuries by inducing mesenchymal stem cells into chondrocytes.

Described herein are compounds and compositions for the amelioration of arthritis or joint injuries by inducing mesenchymal stem cells into chondrocytes.

The present invention provides a process of producing a trifluoromethoxylated aryl or trifluoromethoxylated heteroaryl having the structure: ##STR00001##
wherein
A is an aryl or heteroaryl, each with or without substitution; and
R.sub.1 is H, -(alkyl), -(alkenyl), -(alkynyl), -(aryl), -(heteroaryl), -(alkylaryl), -(alkylheteroaryl), NH-(alkyl), N(alkyl).sub.2, NH-(alkenyl), NH-(alkynyl) NH-(aryl), NH-(heteroaryl), O-(alkyl), O-(alkenyl), O-(alkynyl), O-(aryl), O-(heteroaryl); S-(alkyl), S-(alkenyl), S-(alkynyl), S-(aryl), or S-(heteroaryl), comprising:
(a) reacting a compound having the structure: ##STR00002##
with a trifluoromethylating agent in the presence of a base in a first suitable solvent under conditions to produce a compound having the structure: ##STR00003##
and
(b) maintaining the compound produced in step (a) in a second suitable solvent under conditions sufficient to produce the trifluoromethoxylated aryl or trifluormethoxylated heteroaryl having the structure: ##STR00004##

The present invention provides a process of producing a trifluoromethoxylated aryl or trifluoromethoxylated heteroaryl having the structure: ##STR00001##
wherein
A is an aryl or heteroaryl, each with or without substitution; and
R.sub.1 is H, -(alkyl), -(alkenyl), -(alkynyl), -(aryl), -(heteroaryl), -(alkylaryl), -(alkylheteroaryl), NH-(alkyl), N(alkyl).sub.2, NH-(alkenyl), NH-(alkynyl) NH-(aryl), NH-(heteroaryl), O-(alkyl), O-(alkenyl), O-(alkynyl), O-(aryl), O-(heteroaryl); S-(alkyl), S-(alkenyl), S-(alkynyl), S-(aryl), or S-(heteroaryl), comprising:
(a) reacting a compound having the structure: ##STR00002##
with a trifluoromethylating agent in the presence of a base in a first suitable solvent under conditions to produce a compound having the structure: ##STR00003##
and
(b) maintaining the compound produced in step (a) in a second suitable solvent under conditions sufficient to produce the trifluoromethoxylated aryl or trifluormethoxylated heteroaryl having the structure: ##STR00004##

Provided is a charge-transporting varnish which comprises an amide compound containing fluorine atoms and represented by formula (1) and a charge-transporting substance. ##STR00001##
[In the formula, Ar.sup.1 represents a group represented by any of formulae (1-1) to (1-9) and Ar.sup.2 and Ar.sup.3 each represent a given fluorinated aryl or aralkyl group.] ##STR00002##

Provided is a charge-transporting varnish which comprises an amide compound containing fluorine atoms and represented by formula (1) and a charge-transporting substance. ##STR00001##
[In the formula, Ar.sup.1 represents a group represented by any of formulae (1-1) to (1-9) and Ar.sup.2 and Ar.sup.3 each represent a given fluorinated aryl or aralkyl group.] ##STR00002##

Disclosed are small molecule PLK inhibitors that can target the polo box domain (PBD). Inhibitors can have an atomic mass of about 1000 Da or less and a general structure of

##STR00001##

For instance, the inhibitors can include an alkyl benzamido benzoic acid core structure.

Disclosed are small molecule PLK inhibitors that can target the polo box domain (PBD). Inhibitors can have an atomic mass of about 1000 Da or less and a general structure of

##STR00001##

For instance, the inhibitors can include an alkyl benzamido benzoic acid core structure.