An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).

##STR00001##

An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).

##STR00001##

Provided is a compound having higher fluorescence quantum yield and higher optical stability than a conventional FLAP and a polymer compound containing the compound.

##STR00001## A: seven or eight-membered ring structure, Y.sup.1, Y.sup.2, Y.sup.3: halogen atom or the like, al: number of Y.sup.1, a2: number of Y.sup.2, B: number of Y.sup.3, 0≤m and n≤3: when 1≤m≤3, Y.sup.1 may be substituted with a structure portion defined by m, when 1≤n≤3, Y.sup.2 may be substituted with a structure portion defined by n, and B.sup.1, B.sup.2: Formulas (2-1) to (2-3):

##STR00002## C.sup.1, C.sup.2, C.sup.3: structure containing a cyclic hydrocarbon compound, D.sup.1, D.sup.2, D.sup.3: substructure that inhibits aggregation, E.sup.1, E.sup.2, E.sup.3: polymerizable substructure, Z.sup.1: hydrogen atom or the like, c: number of substituent groups Z.sup.1, Z.sup.2, Z.sup.3: hydrogen atom or the like, and may form a ring with C.sup.2.

A p-type organic semiconductor material, a manufacturing method of the same, and a display panel are provided by the present application. Substitutes are configured to replace hydrogens on ring in a molecular structure of the p-type organic semiconductor material of the present application, therefore a LUMO energy level of the p-type organic semiconductor material obtained is reduced.

A p-type organic semiconductor material, a manufacturing method of the same, and a display panel are provided by the present application. Substitutes are configured to replace hydrogens on ring in a molecular structure of the p-type organic semiconductor material of the present application, therefore a LUMO energy level of the p-type organic semiconductor material obtained is reduced.

Objects of the present invention are to provide a novel phthalocyanine dye for use in photoimmunotherapy, and a method for producing the same, and to provide a conjugate of the above-described phthalocyanine dye and an antibody or a peptide. According to the present invention, a compound represented by the following formula (1) or a salt thereof is provided:

##STR00001## wherein X represents a substituent having a hydrophilic group at the terminus thereof; L.sub.3, L.sub.4, L.sub.5, and L.sub.6 each independently represent a divalent linking group; Y represents a group capable of binding to an antibody or a peptide; R.sub.3 represents a substituent, such as an alkyl group containing 1 to 6 carbon atoms, an alkoxy group containing 1 to 6 carbon atoms, a halogen atom, —SR.sub.11, —SOR.sub.12, an aryl group containing 6 to 10 carbon atoms, —N(R.sub.13)(R.sub.14), or —NO.sub.2, wherein when a plurality of R.sub.3s are present, the plurality of R.sub.3s may be identical to or different from one another; and s represents an integer of 0 to 4.

Disclosed in the present invention are a pyrazolo [1,5-a]pyrimidine derivative having a structure of formula (I), a pharmaceutical composition comprising the compound of formula (I), and use of the compound in the preparation of a medicament for preventing or treating diseases associated with tropomyosin receptor kinases, in particular for preventing or treating cancers associated with tropomyosin receptor kinases. Each substituent in formula (I) has the same definition as that in the description. ##STR00001##

Disclosed in the present invention are a pyrazolo [1,5-a]pyrimidine derivative having a structure of formula (I), a pharmaceutical composition comprising the compound of formula (I), and use of the compound in the preparation of a medicament for preventing or treating diseases associated with tropomyosin receptor kinases, in particular for preventing or treating cancers associated with tropomyosin receptor kinases. Each substituent in formula (I) has the same definition as that in the description. ##STR00001##

Provided are a compound expressed by a particular chemical formula, an anti-reflective film, and a display device including the anti-reflective film.

Described herein is an iron(II)-phthalocyanine catalyzed C—H bond amination of alkyl azides. The catalyst is effective to produce intramolecular amination of saturated C—H bonds in moderate to excellent yields and the methods are tolerant of a wide scope of substrates. The methods described are useful for the synthesis of natural products derivatives and for the late-stage functionalization of pharmaceuticals.