Nissan Chemical Industries Limited

Nissan Chemical Corporation

Toshiyuki Endo

Taichi Nakazawa

Hirofumi Ota

Yuki Takayama

Provided is an electron-accepting substance precursor comprising a sulfonic acid ester compound represented by formula (1). (In the formula, R-Reach independently represent a hydrogen atom, or a straight-chain or branched C1-6 alkyl group. Rrepresents a C2-20 monovalent hydrocarbon group which may be substituted. Arepresents &#x2014;O&#x2014; or &#x2014;S&#x2014;. Arepresents a group having a valence of (n+1) and derived from naphthalene or anthracene. Arepresents a group having a valence of m and derived from perfluorinated biphenyl. m represents an integer satisfying 2&#x2264;m&#x2264;4. n represents an integer satisfying 1&#x2264;n&#x2264;4).

Sulfonic acid ester compound and use therefor

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. (In the formula: Rrepresents a hydrogen atom or an alkyl group that may be substituted; Rto Reach 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.)

Charge-transporting varnish, and organic electroluminescent element

Provided is a charge-transporting varnish which comprises an amide compound containing fluorine atoms and represented by formula (1) and a charge-transporting substance. [In the formula, Arrepresents a group represented by any of formulae (1-1) to (1-9) and Arand Areach represent a given fluorinated aryl or aralkyl group.] 

Charge-transporting varnish and organic electroluminescent element

Provided is a sulfonic acid ester compound represented by formula (1). (In the formula, Rand Reach independently represent a hydrogen atom, or a straight-chain or branched monovalent aliphatic hydrocarbon group. Rrepresents a straight-chain or branched monovalent aliphatic hydrocarbon group. The sum of the carbon numbers of R, Rand Ris 6 or greater. Arepresents &#x2014;O&#x2014; or &#x2014;S&#x2014;. Arepresents an aromatic group having a valence of (n+1). Arepresents a hydrocarbon group which has a valence of m, and is unsubstituted or has a substituent that contains one or more aromatic rings. m represents an integer satisfying 2&#x2264;m&#x2264;4. n represents an integer satisfying 1&#x2264;n&#x2264;4).

Provided is a fluorine atom-containing compound represented by formula (1) below (In the formula, Z represents a predetermined divalent group, each Ar independently represents a predetermined aromatic ring-containing group, and each Arindependently represents a predetermined fluorine atom-containing aryl group).

Growing community of inventors

Funabashi, Japan

Toshiyuki Endo