565 results about "Terthiophene" patented technology

The invention relates to a copolymer of bithiophene diazosulfide and dibenzothiophene (BDT) and application thereof. 4,7-bithiophene-5,6-dioctyloxy-diazosulfide (DODTBT) and a di-tin compound of the BDT are coupled through Stille to obtain poly-[2,6-(4',8'-di-iso-octyl-benzene-(1',2'-b;3',4'-b)-bithiophene)-CO-4,7-bithiophene-5,6-dioctyloxy-diazosulfide (PBDT-DODTBT). The polymer has good photoelectric conversion function and can be widely applied to polymer solar cells. Particularly, the PBDT-DODTBT is used as a donor material and mixed with a C60 receptor, and an obtained mixture is coated on ITO (Indium Tin Oxid) conducting glass to prepare a semitransparent thin film; and then a metal electrode is evaporated on the polymer through a vacuum evaporation mode to prepare a polymer solar cell device, wherein the preliminary survey energy conversion efficiency (PCE) of the device reaches 4.02 percent.

Production of N-(pyrrolo(2,3-d)pyramine-5-radical)acyl glutamic acid derivative and its intermediate are disclosed. The typical derivative is antineoplastic agent, Z is thienyl bi-radical and furan bi-radical or substituted or non-substituted 1,4-phenylene, R1 and R2 are hydrogen or carboxy protecting group, they can be same or different. Carbon atom with *mark is S type, R type or mixed type of S and R.

The present invention discloses a soluble polythiophene derivative containing highly coplanar repeating units. The coplanar characteristic of the TPT (thiophene-phenylene-thiophene) units improves the degree of intramolecular conjugation and intermolecular π-π interaction. The polythiophene derivative exhibits good carrier mobility and is suitable for use in optoelectronic devices such as organic thin film transistors (OTFTs), organic light-emitting diodes (OLEDs), and organic solar cells (OSCs).

The present invention provides an electrolyte for lithium and/or lithium-ion batteries comprising a lithium salt in a liquid carrier comprising heteroaromatic compound including a five-membered or six-membered heteroaromatic ring moiety comprising carbon atoms and at least one heteroatom forming a neutral aromatic ring, the at least one heteroatom being selected from a Group V element (preferably N) and a Group VI element (preferably O or S), the heteroaromatic ring moiety bearing least one carboxylic ester or carboxylic anhydride substituent bound to at least one carbon atom of the heteroaromatic ring. Preferred heteroaromatic ring moieties include pyridine compounds, pyrazine compounds, pyrrole compounds, furan compounds, and thiophene compounds.

The invention relates to novel thiophene derivatives, their preparation and their use as pharmaceutically active compounds. Said compounds particularly act as immunosuppressive agents.

The invention relates to a type of A-D-A conjugated molecules adopting a thieno cyclopentanedione derivative as an end-capping group, homopolymerize quinary heterocyclic aromatic as a bridging unit and polycyclic trapezoidal conjugated molecule as a core, and a preparation method of the A-D-A conjugated molecule, and application of the molecule as an active layer electron receptor material in an organic photovoltaic cell (OPV). The A-D-A conjugated molecule is good in solubility, has an appropriate energy level, and has a better absorption spectrum. A solar cell device prepared based on the A-D-A conjugated molecule has extremely high energy conversion efficiency. The A-D-A conjugated molecule has the following general structure. (Shown in the description).

The invention relates to novel thiophene derivatives, their preparation and their use as pharmaceutically active compounds. Said compounds particularly act as immunosuppressive agents.

The invention discloses thieno miazines derivatives and a preparation method and application thereof. The thieno miazines derivatives are compounds of which the structures are shown in the general formula I or pharmaceutically acceptable salts, esters or prodrugs of the compounds. The invention further provides the preparation method of the compounds as well as application of composition of one or more of the compounds to preparation of medicines for treating and preventing human immunodeficiency virus (HIV) infection.

The invention discloses a C60 triarylamine derivative of D-A type, and relative application in solar battery, wherein R1 and R2 are selected from hydrogen atom, halogen atom, nitryl, amidogen, alkyl, isoalkyl, alkoxy, alkylene, alkyne, alkyl aldehyde, alkyl ketone, pyridine or pyridine derivative, furan or furan derivative, imidazole or imidazole derivative, thiofuran or thiofuran derivative, aromatic radical or substituted aromatic radical, while R1 and R2 are not both hydrogen atoms. The inventive compound has significantly improved solubility than fullerene in organic solvent, to simplify the manufacture of large-area solar battery.

The present invention is directed to a method for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole, more particularly, 4,7-bis(5-bromothien-2-yl)-2,1,3-benzothiadiazole, and a precursor therefor, namely, a 4,7-bis(thien-2-yl)-2,1,3-benzothiadiazole. The precursor is prepared by contacting in the presence of a palladium catalyst and a solvent a 4,7-dihalo-2,1,3-benzothiadiazole with a thienyl group adding reagent, which can either be a 2-thienylzinc halide, a 2-thienylmagnesium halide, or a 2-thiopheneboronic acid, under such conditions as to form 4,7-bis(thien-2-yl)-2,1,3-benzothiadiazole. The precursor can then be halogenated, preferably brominated, to form the desired dibrominated product, which is a particularly suitable monomer for the preparation of a copolymer of a 9,9-disubstituted fluorene. This copolymer is useful, for example, in polymeric light emitting diode (pLED) applications.

The invention relates to novel thiophene derivatives, their preparation and their use as pharmaceutically active compounds. Said compounds particularly act as immunomodulating agents.

The invention pertains to the technical field of medicaments for preventing platelet aggregation and provides an oxime derivative which contains thienopyridine and has a structure as shown in the general formula (I), and pharmaceutically acceptable salt thereof, wherein, m equals to 1 and 2 and n equals to 0 and 1; R <1 >, R <2> and R <3> collectively or individually refer to hydrogen, C1-C6 straight-chain or branched-chain alkyl, C3-C6 naphthenic base, halogen, hydroxyl, carboxyl, amino, amido, cyano, nitryl, C1-C4 alkoxy, substituted phenyl and substituted heterocyclic radical; and R<4> refers to hydrogen, C1-C4 straight-chain or branched-chain alkyl as defined in the Instruction in details. In addition, the invention also relates to a preparation method of the compounds and discloses medicament combinations of which the compound or the pharmaceutically acceptable salt of the compound is taken as active ingredient and the application of such medicament combinations as drugs for preventing platelet aggregation.

The invention relates to a multiple thiophene group-containing photochromic compound. A five-membered aromatic heterocycle is taken as a bridge, different numbers of substitute thiophene rings are arranged at the periphery of the five-membered aromatic heterocycle, or/and substitute thiophene rings are arranged at different bridging positions of the five-membered aromatic heterocycle, and the multiple thiophene group-containing photochromic compound is obtained. The multiple thiophene group-containing photochromic compound can realize reversible change of a plurality of colors under the radiation of light with different wavelengths.

There are provided a novel compound having a good field mobility, a method of producing of the compound, an organic semiconductor material containing the novel compound, and an organic semiconductor device. The novel compound which is represented by the following general formula (1), (2), (3) or (4) (where Z represents a sulfur atom or a selenium atom, and R represents a hydrogen atom, an alkyl group or a phenyl group in general formulae) has a structure having two benzene rings of naphthalene bonded with a thiophene ring and a selenophene ring, respectively. These compounds have a conjugate system in molecules due to an interaction between it orbitals, and show a strong molecular interaction through a sulfur atom or a selenium atom contained in a thiophene ring or a selenophene ring in each molecule, thereby having a good field mobility.

A method of making a fluorothieno[3,4-b]thiophene derivatives and photovoltaic polymers containing same using 3-bromothiophene-2-carboxylic acid as a starting material. This synthetic route provides an easier synthesis as well as greater yield and a purer product, which produces superior results over the prior art less pure products. The resulting materials can be used in a variety of photovoltaic applications and devices, especially solar cells.

The invention provides a benzo-biheterocycle compound with a structure shown as formula (I), wherein Y1 and Y2 respectively are oxygen or sulfur atoms; Ar1 and Ar2 respectively are single-bond, substituted or unsubstituted phenyl group, substituted or unsubstituted naphthyl, substituted or unsubstituted anthryl, substituted or unsubstituted phenanthryl, substituted or unsubstituted acenaphthyleneand substituted or unsubstituted heteroaromatic ring; m and n respectively are 0 or 1; D1 and D2 respectively are aryl and heteroaryl; Ar3 and Ar4 respectively are aryl and heteroaryl; R1 is hydrogenatom, phenyl and naphthyl. According to the invention, benzene ring of benzo-biheterocycle is modified; the introduction of thiophene or furan unit is capable of effectively promoting refractive index; thiophene or furan unit is not located on a main conjugated chain and is impossible to effectively expand conjugation or cause red shift of compound absorption spectrum, so that the absorption of the compound in visible region is lower; when the benzo-biheterocycle compound provided by the invention is used as a material of a cathode cap layer, light emitting of OLED (Organic Light Emitting Diode) is not interfered and the OLED can maintain higher color purity.

The invention discloses a degradable electricity-conducting biomedical polymer material, which has a molecular constitution as shown in formula I: the polymer material takes the polymer in the formula, which comprises polyphosphazene, chitosan, polyvinyl alcohol, poly-beta-malic acid or modified polyester, as the main chain, a conductive group and a degradable group are grafted, and the modified polyester is lactic acid, polyglycolide, polycarbonate, polyanhydride, polycaprolactone or copolymers between each two thereof; the conductive group comprises oligo-pyrrole, oligo-thiophene, oligo-aniline or copolymers between each two thereof; the degradable group mainly comprises: (1) amino: glycine ethyl ester, phenylalanine ethyl ester, imidazole and the like; and (2) alkoxy: glycerol, glucose, lactic acid, p-methyl phenol, glycolic acid and polyester. The polymer material has degradability and conductivity and can be prepared into guide pipes, suture threads, membranes, sheet bodies, block bodies and materials for frames of tissue engineering.