52 results about "Aryl radical" patented technology

A hole transport material comprising an organic compound, wherein the organic compound is represented by the general formula (G1), where R 1 to R 8 independently represent hydrogen, a hydrocarbon group with 1 to 6 carbon atoms, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms. where R 2 no amino group; where one of A and B represents a group represented by the general formula (g1), and the other represents hydrogen, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, a hydrocarbon group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms, where Ar 1 and Ar 2 independently represent a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms or a group represented by the general formula (g2), where Ar 1 and Ar 2 do not contain a dibenzothiophene skeleton where R 11 to R 18independently represent hydrogen, a hydrocarbon group with 1 to 6 carbon atoms, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms, and where one of Z 1 and Z 2 bonded to a nitrogen atom in the general formula (g1) and the other being hydrogen, a cyclic hydrocarbon group with 3 to 6 carbon atoms, an alkoxy group with 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group with 1 to 6 carbon atoms, a hydrocarbon group with 1 to 6 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group with 6 to 60 carbon atoms.

Provided is a novel organic compound with which it is possible to provide a light emitting device that has good heat resistance. Provided is an organic compound represented by general formula (G1). With respect to the organic compound represented by general formula (G1), at least one of R1 to R14 is a group represented by general formula (g1), and the rest are each independently a hydrogen atom, a deuterium atom, an alkyl group having 1 to 10 carbon atoms, a monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, or a monovalent heteroaromatic group having 1 to 30 carbon atoms. In addition, R21 to R28 are each independently a hydrogen atom, a deuterium atom, an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, a monovalent heteroaromatic group having 1 to 30 carbon atoms, or the like. In addition, Ar represents a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 25 carbon atoms, and m represents an integer of 0 to 2.

The present invention discloses a method for synthesizing vinylene carbonate and its derivatives, comprising: reacting a chain carbonate represented by formula (I), an olefin represented by formula (II) and an oxygen donor in the presence of a palladium catalyst and optionally a metal carbonate to produce a vinylene carbonate and its derivatives represented by formula (III); in formula (I), R1 and R2 are independently selected from alkyl or aryl groups; in formula (II), R3 and R4 are independently selected from hydrogen or alkyl groups; in formula (III), R3 and R4 are the same as described above; this method not only has an ideal yield, especially with few by-products and easy purification, but also avoids the drawbacks of the existing solutions that usually use ethylene chlorocarbonate as an intermediate, etc., and is suitable for large-scale industrial production.

To provide an organic compound that has high chemical stability and that can be used suitably as a material for an organic light-emitting device.SOLUTION: An organic compound represented by general formula [1] in the figure, where: R1 to R14 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aromatic hydrocarbon group, a heterocyclic group, an aryloxy group, a heteroaryloxy group, a silyl group and a cyano group; at least one of R1 to R4 and R8 to R11 is an amino group or an amino group-containing group; and X is oxygen, sulfur, selenium, tellurium, or a CR15R16 group, where R15 and R16 are selected in the same manner as R1 to R14.SELECTED DRAWING: None

The invention discloses a chiral phenol calix [4] aryl porous organic molecular cage material as well as a preparation method and application thereof. A chiral calix [4] arene raceme and an acyl chloride chiral auxiliary agent are used as initial raw materials to react to prepare a pair of diastereoisomers, gram-grade separation is achieved through silica gel column chromatography, then the chiral auxiliary agent is removed respectively, and the single enantiomer chiral phenol calix [4] arene compound with the ee value being 99.9% or above can be obtained. The preparation method comprises the following steps of: synthesizing tetraaldehyde chiral phenol calix [4] arene by introducing an aldehyde group unit on the tetraaldehyde chiral phenol calix [4] arene through Duff reaction, and assembling the tetraaldehyde chiral phenol calix [4] arene serving as a construction element with a polyamino organic synthesizer to prepare the chiral phenol calix [4] arene porous organic cage with a larger cavity. The preparation method of the chiral porous organic cage does not need a catalyst, the preparation process is simple, operation is easy and convenient, expansibility is good, the yield is high, and the prepared chiral molecular cage is large in cavity, large in specific surface area and good in repeatability and can be used for chiral recognition and gas adsorption.

A photosensitive resin composition of the invention contains (A) a polyimide precursor having a polymerizable unsaturated bond, (B) a photopolymerization initiator comprising a compound represented by the formula (11), (C) a thermal radical generator, and (D) a solvent containing γ-butyrolactone:wherein in the formula (11), R11 is a substituted or unsubstituted benzoyl group, a substituted or unsubstituted fluorenyl group, or a group comprising a substituted or unsubstituted carbazolyl group; R12 is an alkyl group including 1 to 12 carbon atoms, a group comprising a cycloalkyl group including 4 to 10 carbon atoms, a group comprising a phenyl group, or a group comprising a tolyl group; R13 is a substituted or unsubstituted aromatic hydrocarbon group including 6 to 20 carbon atoms.

The present invention provides a non-aqueous electrolyte and a secondary battery thereof. The non-aqueous electrolyte includes a lithium salt, a non-aqueous organic solvent, and an additive. The additive includes compound A shown in structural formula I, wherein R1 and R2 each independently selected from hydrogen, halogen, substituted or unsubstituted methyl, substituted or unsubstituted C2-C8 hydrocarbon group, substituted or unsubstituted aryl group, ether group or isocyanate group. Compound A is reduced at the positive electrode / electrolyte interface to form an interfacial film containing sulfur, nitrogen, and oxygen. This interfacial film has good thermal stability, isolates the direct contact between the electrolyte and the positive electrode material at high temperatures, and inhibits the decomposition of the electrolyte, so the high-temperature performance can be improved. At the same time, this interfacial film has relatively low impedance and good lithium-ion transport channels. The lithium-ion transport channels are not easily shrunk at low temperatures and are not easily collapsed and closed during the cycling process. Therefore, the low-temperature discharge and cycling performance of the secondary battery are improved.

The present disclosure provides: a novel compound having a novel multibranched structure and exhibiting small dielectric loss in a high frequency band of the Sub-THz band; and a method for producing the same. A compound according to the present disclosure is represented by general formula (1). (In general formula (1), R1 and R2 are each independently a hydrogen atom or an alkyl group, Ar1 to Ar4 are each independently a substituted or unsubstituted aromatic hydrocarbon group having 6 to 24 carbon atoms, Cy1 to Cy4 are each independently a substituted or unsubstituted alicyclic hydrocarbon group having 5 to 20 carbon atoms.)

Provided is a compound which is useful as an optical material or an optical component, exhibits a high refractive index and high transparency, is easily polymerizable, exhibits chemical stability and high solubility in a variety of solvents, and exhibits storage stability as a solution. The compound is represented by formula (1). In the formula, n denotes an integer between 1 and 3. L denotes an optionally branched linking group having a valency of (n+1). Y1 and Y2 each independently denote an aromatic group having a total of 7-20 carbon atoms, nitrogen atoms, oxygen atoms and sulfur atoms. Ar1 and Ar2 each independently denote an optionally substituted aromatic hydrocarbon group. A ring structure may not be formed by Ar1 and T1 nor by Ar2 and Y2. p and q each independently denote an integer between 0 and 5. However, p and q may not both be 0. R1 denotes a hydrogen atom or a methyl group.

The invention discloses a pyrazine-bridged terpyridyl polymer as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The pyrazine-bridged terpyridyl polymer has the following molecular structure: R is aryl, substituted aryl, heteroaromatic ring group or substituted heteroaromatic ring group, and n is the degree of polymerization. The polymer has relatively strong coordination chelation capability on heavy metal ions, has high adsorption capability on heavy metal ions in a solution system, takes a rigid aromatic structure as a skeleton, is good in structural stability, belongs to a solid material, and has a wide application prospect in the field of heavy metal removal.

To provide novel organic compounds capable of providing highly reliable light-emitting devices. [Solution] An organic compound represented by the following structural formula (G1) is provided. However, in the organic compound represented by the following general formula (G1), R 1 ~R 14 Each of these groups comprises at least one aliphatic cyclic amine, with the remainder independently representing one of the following: hydrogen, deuterium, a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a substituted or unsubstituted C6-C30 monovalent aromatic hydrocarbon group, a substituted or unsubstituted C1-C30 monovalent heteroaromatic group, and an aliphatic cyclic amine. JPEG2026049691000041.jpg50167

The present invention makes it possible to provide a method for producing a polymer compound that contains a repeating unit represented by formula (3), said method comprising a step for reacting, in the presence of an oxidizing agent, a bismuth compound represented by formula (1) and a dicarboxylic acid compound represented by formula (2). (In formula (1), X1-X3 may be the same or different and each represent a C6-14 aromatic hydrocarbon group.) (In formula (2), R represents a divalent organic group.) (In formula (3), X1-X3 and R are as defined above. n represents an integer of 2 or more.)

To provide a new technical means that enables industrial production of compounds having a bis(thiocarbonyl)disulfide skeleton.SOLUTION: There is provided a method for producing a compound represented by Formula (I) (wherein R represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted cyclic alkyl group having 3 to 12 carbon atoms, or a substituted or unsubstituted linear or branched alkyl group having 1 to 20 carbon atoms, where an oxygen atom or a sulfur atom may be present between carbon bonds of the alkyl group, if possible), comprising the steps of: (A) reacting a compound represented by Formula (II) (wherein R is as defined in Formula (I)) or a salt thereof in the presence of sulfuric acid and hydrogen peroxide to obtain the compound represented by Formula (I); or (B) reacting a compound represented by Formula (II) (wherein R is as defined in Formula (I)) or a salt thereof in the presence of phosphoric acid and hydrogen peroxide to obtain the compound represented by Formula (I).SELECTED DRAWING: None

To provide a material for an organic EL element that exhibits excellent hole transport capability and electron blocking capability and high thermal stability in a thin-film state, and an organic EL element that has a low driving voltage and exhibits high emission efficiency and power efficiency.SOLUTION: An arylamine compound represented by the following general formula (1), wherein Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, Ar2 to Ar5 may be identical to or different from each other and each represent a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, R1 to R14 represent a hydrogen atom or a deuterium atom, and m and n each independently represent an integer of 1 to 2).SELECTED DRAWING: None

An imidazolidinylide compound for use as a shut-down additive for a lithium-ion battery. The imidazolidinylide compound has a formula (I),wherein, R1 to R4, each independently the other, is a linear C1- to C16-alkyl group, a branched C1- to C16-alkyl group, a C2- to C16-alkenyl group, a C3- to C8-cycloalkyl group, or a C3- to C16-arene group, wherein at least one of R2 and R3 may also be H, R1 to R4, each independently of the other, is completely, partially or not fluorinated, and R1 to R3 may each also contain O as a heteroatom.

Provided is a mixed material suitable for a practically useful organic EL element having high efficiency and a long life in spite of a low driving voltage.　The mixed material for an organic electroluminescent element contains a compound represented by general formula (1) and a compound represented by general formula (2). (Ring A is a nitrogen-containing five-membered heterocyclic ring expressed by formula (1a); Ar1 and Ar2 are each a C6-18 aromatic hydrocarbon group or the like; R1 is a C6-18 aromatic hydrocarbon group or the like; (a)-(c) are numbers of substitutions; and Ar3 is a connected phenyl group in which 2-6 phenyl groups are connected.) (X is an oxygen atom or a sulfur atom; Y1 to Y12 are each C-Ra; Z1 and Z2 are each a C6-18 aromatic hydrocarbon group or the like; and Ra is hydrogen, deuterium, or a substituted or unsubstituted C6-18 aromatic hydrocarbon group or the like.)

To provide a compound and a resist composition which allow a resist pattern having good resolution to be produced.SOLUTION: The resist composition contains the compound represented by formula (I). [R5A represents -X1A-R10A or the like; R5B represents -X1B-R10B or the like; X1A and X1B each represent -CO-O-, -O-CO- or the like; R10A and R10B each represent a group represented by formula (IC); L1A and L1B each represent a single bond or a substituted / unsubstituted alkanediyl group; Ar1 and Ar2 each represent a substituted / unsubstituted aromatic hydrocarbon group; X1 represents -CO- or -SO2-; X2 represents -O- or -NR1-; and R1 represents a hydrogen atom or a substituted / unsubstituted hydrocarbon group.]SELECTED DRAWING: None

A novel organic compound that enables a highly reliable light-emitting device is provided. An organic compound represented by Structural Formula (G1) below is provided. In the organic compound represented by General Formula (G1) below, at least one of R1 to R14 represents a group including aliphatic cyclic amine, and the others each independently represent any one of hydrogen, deuterium, an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted monovalent aromatic hydrocarbon group having 6 to 30 carbon atoms, a substituted or unsubstituted monovalent heteroaromatic group having 1 to 30 carbon atoms, and a group including aliphatic cyclic amine.

The invention relates to a method for synthesizing a 1, 6-dioxygen olefin compound by means of electro-catalysis. According to the method, a 1, 6-dioxygen functionalization reaction of an alcohol compound and aryl dicyclopropane is promoted through an electrochemical driving strategy. The core of this reaction is a pi-conjugate mediated electron transfer process that promotes synergistic nucleophilic attacks on transient aryl radical cation species. The method comprises the following synthesis steps: 1, taking carbon cloth as an anode, taking a platinum sheet as a cathode, fixing, adding aryl dicyclopropane A, tetrabutylammonium tetrafluoroborate, ultra-dry acetonitrile, alcohol B and tris (4-bromophenyl) amine into a sealed 25mL reaction bottle, and placing the reaction bottle in a nitrogen atmosphere; 2, reacting in an oil bath at 45 DEG C under a constant current of 10mA, stopping the reaction when the aryl dicyclopropane raw material is completely consumed, and cooling to room temperature; and 3, carrying out rotary drying on the filtrate at low pressure through a rotary evaporator, and carrying out column chromatography separation on a crude product to obtain the 1, 6-dioxygen olefin compound. Compared with other aryl cyclopropane ring-opening functionalization reactions, the method is carried out under mild conditions, and shows wide substrate compatibility, excellent stereoselectivity and accurate regional control.

The application discloses a pillar[5]arene-based fluorescent material and application thereof in kidney-targeting developing agents. The fluorescent material is prepared by the following steps: 4-methylpyridine and 4-dimethylaminobenzaldehyde are used as raw materials, and DMAS is obtained through reaction and crystallization; then, 1,4-bis(2-hydroxyethoxy)benzene, triphenylphosphine, carbon tetrabromide and polyformaldehyde are used as raw materials to prepare an intermediate, and the intermediate, DMAS and pyridine are used as raw materials to carry out reflux reaction in the participation of CH3CN, and finally, the pillar[5]arene-based fluorescent material is obtained. The pillar[5]arene-based fluorescent material is a novel fluorescent compound, can be used for kidney-targeting aggregation and imaging, and has the characteristics of low cytotoxicity, good biocompatibility, good stability, high sensitivity, low cost and easy use.

The present invention provides an exotecan derivative and a preparation method thereof, wherein the exotecan derivative is represented by formula (Ia) or formula (Ib) or a stereoisomer thereof and a pharmaceutically acceptable salt thereof. wherein n is an integer from 2 to 6; X1 is selected from a heteroatom; R1 is selected from H, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted aromatic group; and each of R2 and R3 is independently selected from absence, H, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted aromatic group.

A bidentate phosphite ligand which comprises a backbone having an a,a,a,a-tetrahydrocarbyl-1,3-dioxolane-4,5-dimethanol structure in which the hydrogen atoms of the hydroxyl groups on the methanol substituents have each been replaced by a P(OR1)2 group, where R1 is an aryl radical and wherein the 1,3-dioxolane ring in the α,α,α,α-tetrahydrocarbyl-1,3-dioxolane-4,5-dimethanol backbone is optionally substituted at the 2-position with one or more alkyl groups. When combined with a transition metal, such as nickel, the ligand provides a catalyst complex useful in hydrocyanation and other reactions.

In a first aspect, the invention relates to heptazine derivatives of the formula (I) wherein X, Y, Z is each an oxygen or a sulfur atom; R1, R2 are identical and are selected from the group consisting of branched and unbranched C1 to C20 alkyl radicals and C6 to C12 aryl radicals, wherein the C6 to C12 aryl radicals have at least one substituent selected from the group consisting of branched and unbranched C1 to C20 alkyl radicals and C6 to C12 aryl radicals, wherein the C6 to C12 aryl radicals have at least one substituent selected from the group consisting of branched and unbranched C1 to C20 alkyl radicals and C6 to C12 aryl radicals;R7, R8 are identical and are selected from the group consisting of branched and unbranched C1 to C20 alkyl radicals and C6 to C12 aryl radicals, wherein the C6 to C12 aryl radical has at least one substituent selected from hydrogen atom and branched and unbranched C1 to C10 alkyl radicals.A second aspect of the invention relates to the use of a heptazine derivative of the general formula (I) according to the first aspect of the invention as a flame retardant for a plastic. In a third aspect, the invention relates to a flame-retardant plastic comprising at least one heptazine derivative of the general formula (I) according to the first aspect of the invention and a plastic. A fourth aspect of the invention relates to a process for producing a heptazine derivative of the general formula (I).;

Provided is a method that allows for a safer production of a naphthylsilole for use as a starting material for GNR, which involves reacting a compound of formula (1):(wherein R1a and R1b are the same or different and represent a hydrogen atom, an alkyl group, a cycloalkyl group, a (poly)ether group, an ester group, a halogen atom, an aromatic hydrocarbon group, or a heterocyclic group; R1a and R1b are optionally bound to each other to form a ring; R2 represents an aromatic hydrocarbon ring or a heterocyclic ring; and X represents a bromine or iodine atom) with a lanthanide- and lithium-containing ate complex to produce a lanthanide complex of the compound of formula (1); and then reacting it with a silyl compound of formula (2):R3aR3bSiCl2  (2)(wherein R3a and R3b are the same or different and represent an optionally branched C1-C4 alkyl group or a phenyl group).

A novel organic compound is provided. An organic compound represented by General Formula (G1) below is provided. Note that in General Formula (G1), one of A and B represents a group represented by General Formula (g1) below, and the other of A and B, R1 to R8, and R11 to R14 each independently represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, a halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms. R9 and R10 each independently represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, a halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted phenyl group. Ar represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.

A bidentate phosphite ligand comprises a backbone having a structure of acenaphthene-1,2-diol in which the hydrogen atoms of the hydroxyl groups have each been replaced by a P(OR1)2 group, where R1 is an aryl radical. When combined with a transition metal, such as nickel, the ligand provides a catalyst complex useful in hydrocyanation and other reactions.

An organic EL device uses a compound represented by a general formula and can be an organic EL device having high emission efficiency and a long lifetime. The compound for an organic electroluminescent device may be represented by the general formula, with, Ad being an adamantyl group represented by another general formula. X independently represents N or CR1, and at least one X represents N. R1 independently represents hydrogen and the like. Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 carbon atoms and the like. R independently represents a substituted or unsubstituted aromatic heterocyclic group having 3 to 17 carbon atoms and the like. L1 and L2 each independently represent a direct bond and the like. “a” to f represent a number of substitutions and independently represent an integer of 0 to 4, where b+c+d+e+f≥1.

Provided are a novel capping layer material for an organic thin film element; a novel organic electroluminescent element; and a novel amine compound.　The amine compound is represented by formula (2).　In formula (2), A moieties are each independently: a trivalent to tetravalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-13 carbon atoms, which may be substituted with a fluorine atom; a trivalent to tetravalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-11 carbon atoms, which may be substituted with a phenyl group, a pentafluorophenyl group, a pyridyl group, a tetrafluoropyridyl group, a methyl group, an adamantyl group or a fluorine atom; or a trivalent to tetravalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms, which may be substituted with a phenyl group, a pentafluorophenyl group, a pyridyl group, a tetrafluoropyridyl group, a methyl group, an adamantyl group or a fluorine atom.　In formula (2), B moieties are each independently: a divalent to trivalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-13 carbon atoms; a divalent to trivalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-11 carbon atoms; or a divalent to trivalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms.　In formula (2), E moieties are each independently: a monovalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-26 carbon atoms; a monovalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-26 carbon atoms; or a monovalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms.　In formula (2), l is an integer between 1 and 4.　In formula (2), m is an integer between 0 and 2.　In formula (2), n is 1 or 2.　In formula (2), at least one E moiety is a moiety in which an aromatic hydrocarbon group, heteroaromatic group or aliphatic hydrocarbon group that constitutes E is substituted with one or more fluorine atoms.　In formula (2), B and E moieties may each independently be substituted with a phenyl group, a naphthyl group, a pyridyl group, a triazyl group, a methyl group, a methoxy group, an adamantyl group or a fluorine atom, and substituent groups on B and E moieties may be further substituted with one or more groups selected from the group consisting of these groups.

Provided are: a perovskite solar cell having high photoelectric conversion efficiency; a liquid composition suitably used for forming a hole transport layer; a triarylamine compound or diarylamine compound suitably added to the liquid composition; and a method for manufacturing a perovskite solar cell using the liquid composition.　In the perovskite solar cell, a hole transport layer contains: a triarylamine compound represented by formula (1): (HO)2P(=O)-Ar1-N(Ar2)2 (in formula (1), Ar1 is a divalent aromatic hydrocarbon group that optionally has a substituent, and Ar2 is a phenyl group or the like); or a diarylamine compound represented by formula (1'): (HO)2P(=O)-R1-N(Ar1)2 (in formula (1'), R1 is a chain aliphatic group that optionally has a substituent and optionally contains a hetero atom, and Ar1 is an aromatic hydrocarbon group optionally substituted with a halogen atom or the like).

Provided is a resist composition that has favorable sensitivity, roughness, and etching resistance. A resist composition according to the present invention includes a polymer that has a group represented by general formula (PS-0) at at least one end of the principal chain of a resin component that undergoes a change in solubility with respect to a developing solution as a result of the action of an acid. In formula (PS-0), X01 is an alkylene group that may include a heteroatom. Wa is a monocyclic or polycyclic aromatic ring that may have a substituent, and Rw is an aromatic hydrocarbon group that may have a substituent. A hydroxyl group is directly bonded to an aromatic ring at Wa or an aromatic ring at Rw. The total number of aromatic rings at Wa and Rw is no more than 3. Wa and Rw may each have a substituent that is not a hydroxyl group. n0 is an integer from 0 to 2, inclusive, valence permitting. * is a bond.