219 results about "Thiophenate" patented technology

The invention relates to a donor-recipient typed conjugated polymer containing two thiofuran and pyrrole and the preparation method and applications thereof. Using a construction mode of donor-recipient typed co polymerization for preparing the conjugated polymer can absorb action spectrum, cover UV-Visible and near infrared region to fully use sunlight. The donor uses a constitution unit of two thiofuran and pyrrole with a good plane performance, high density of electron cloud and easy preparation. The preparation of the conjugated polymer is easy, with absorbing spectrum in the UV-Visible and near infrared region of 300 to1000nm and the energy transforming efficiency being 3 percent. The performances of prepared solar batteries are respectively: white light (light intensity of 100mW / cm<2> ) irradiating, the open-circuit voltage is equal to 0.37 to 0.54 V; the short circuit current is equal to 6.69 to 13.8mA / cm<2>; the packing factor is equal to 0.35 to 0.44; and the efficiency of energy transformation is equal to 1 to 3 percent.

Tri- and tetra substituted thiepane compositions having use as immunogens, therapeutics, diagnostics and for other industrial purposes are disclosed. The compositions inhibit proteolytic activity of viral enzymes and are useful for the inhibition of such enzymes as well as in assays for the detection of such enzymes. Embodiments in which antigenic polypeptides are bonded to the compositions are useful in raising antibodies against the thiepane haptens or the polypeptide. Labeled thiepanes of this invention are useful as diagnostic reagents.

A polyhydroxyalkanoate (PHA) having a desired configuration is produced using a raw material containing omega-(4-vinylphenyl)-alkanoic acid and (omega-substituted alkanoic acid in which a group having a ring structure selected from phenyl, thienyl, and cyclohexyl structures substitutes therefor on the end thereof by producing a PHA copolymer containing the corresponding 3-hydroxy-omega-(4-vinylphenyl)-alkanoate unit and the corresponding 3-hydroxy-omega-substituted alkanoate unit by making use of a microorganism capable of producing the PHA or by oxidizing a predetermined portion of the corresponding PHA.

Nucleotide sequences are disclosed that may be used to impart herbicide resistance to green plants. The sources of novel resistance were originally isolated in mutant rice plants. The sequences impart pre-emergence resistance, post-emergence resistance, or both pre-emergence resistance and post-emergence resistance to multiple herbicides. To date, resistance has been demonstrated against at least the following herbicides: imazethapyr, imazapic, imazapyr, imazamox, sulfometuron methyl, imazaquin, chlorimuron ethyl, metsulfuron methyl, rimsulfuron, thifensulfuron methyl, pyrithiobac sodium, tribenuron methyl, and nicosulfuron. Green plants transformed with these sequences are resistant to these herbicides and to derivatives of these herbicides, and to at least some of the other herbicides that normally inhibit acetohydroxyacid synthase (AHAS), particularly imidazolinone and sulfonylurea herbicides.

The invention relates to a preparation method for polypyrrole / polythiophene derivative compound conductive high polymer material, which comprises the following steps: firstly, boron trifluoride diethyl ether and aether are blended, and then added with ionic liquid to obtain A solution; pyrrole and thiofuran derivative monomer are added into the A solution to prepare B solution; the B solution is added into an electrolytic cell equipped with three electrodes; and electrochemical polymerization is carried out under the protection of nitrogen; polymerized current density is 1-10 mA / cm2; a layer of uniform polypyrrole / polythiophene derivative complex film can be obtained on a working electrode after polymerization is finished; the working electrode is taken out for washing and dried in the temperature of 60 DEG C. The preparation method has the beneficial effects that the composite electrode material prepared by the invention has about 200 F / g of bulking value and an electrical potential widow with about 0-2.8 width in organic solvent, and still has higher specific capacity and better circulation stability when discharging in high power.

A method of controlling Take-All disease of plants by applying a fungicide of the formula wherein Z1 and Z2 are C and are part of an aromatic ring which is [benzothiophene]thiophene; and A is [selected from] -C(X)-amine [wherein the amine is an unsubstituted, monosubstituted or disubstituted amino radical]wherein the amine is a monosubstituted or a disubstituted amine, wherein one of the substituents has a cyclic moiety, said cyclic moiety which is chosen from the group consisting of thienyl, furanyl, and a non-heterocyclic substituent, wherein when the amine is disubstituted, the second substituent is a non-cyclic substituent, -C(O)-SR3, -NH-C(X)R4, [and] or -C(=NR3)-XR7; B is -Wm-Q(R2)3 or selected from [O-tolyl]o-tolyl, 1-naphthyl, 2-naphthyl, and 9-phenanthryl, each optionally substituted with halogen or R4; Q is C, Si, Ge, or Sn; W is -C(R3)pH(2-p)-; or when Q is C, W is selected from [-C(R3)pH(2-p),[-C(R3)pH(2-p)-, -N(R3)mH(1-m)-, [-S(O)p-,] -S(O)p-, and -O-, X is [0] O or S; n is [0, 1, 2, or 3]2; m is 0 or 1; p is 0, 1, or 2; wherein the two R groups are combined with the thiophene ring to form a fused ring which is benzothiophene; each R and R2 is independently defined herein; R3 is C1-C4 alkyl; R4 is C1-C4 alkyl, haloalkyl, alkoxy, alkylthio, alkylamino, or dialkylamino; and R7 is C1-C4 alkyl, haloalkyl, or phenyl, optionally substituted with halo, nitro, or R4; or an agronomic salt thereof.

The present invention provides a conjugated polymer or oligomer having narrow band gap characteristic and side chain stereoregularity, and its preparation method. The conjugated oligomer or polymer has the following structure: R is a saturated alkyl long-chain substituent, m is an integer of 1 to 6, and n is an integer of 1 to 16 or an uncertain integer greater than 4. If n is an integer of 1 to 16, it is referred to the oligomer. If n is an uncertain integer greater than 4, with number average molecular weight of 1000 to 500000, it is referred to the polymer. The conjugated polymer and oligomer have the structural characteristic of the repeating unit containing the alternate benzthiadiazole electron acceptor group and the oligothiophene electron donor group, and have the typical electron donor-electron acceptor alternate structure, to bring the narrow band gap characteristic to the polymer and the oligomer; and alkyl substituents on the thiophene ring have unified direction to endow the polymer and the oligomer with side chain stereoregularity. The polymer and oligomer of special structure have excellent spectral properties, and are expected to have potentially wide range of applications in organic photovoltaic devices.

The bionic poisonless antifouling paint for ship is prepared with fluororesin, modified fluororesin alkaloid, peptide compound, solvent, ionic water, leveling agent, stuffing, pigment and assistant. The modified fluororesin is preparew with fluoric thiofuran, polyfluoroethylene, fluoric ethylene monomer and solvent and through reaction in the action of initiator. The alkaloid is extracted from marine life seaweed, and the peptide compound is extracted from sponge. The antifouling paint forms paint film on the bottom of ship and under the action of sea water the paint film surface with high crosslinking density and low adhering performance will exude alkaloid and peptide to prevent marine life from attaching. The paint may be also used in the surface treatment of marine drilling platform, underwater pipe, valve and other facilities.

A preparation method of Fe3O4@PEG@SiO2 artificial antibody for detecting thifensulfuron methyl comprises modifying the surface of Fe3O4 magnetic nanoparticles with polyethylene glycol 2000, coating the surface with SiO2 shell layer to form a core-shell-shell structure, diluting marker molecules in the SiO2 shell layer to form specific recognition site holes complementary with marker molecular structure, size and functionality so as to arrive at molecular selective recognition and detection for target analyses. The preparation method of the artificial antibody comprises the steps of first, preparing Fe3O4 magnetic nanoparticles, and modifying their surface with polyethylene glycol; second, adding the target molecule thifensulfuron methyl, a crosslinking agent and a catalyst, and hydrolyzing to obtain Fe3O4@PEG@SiO2 particles with surface-marked thifensulfuron methyl; third, diluting template molecule with a mixed solution of acetic acid and acetone having a volume ratio of 1:4 to obtain the Fe3O4@PEG@SiO2 artificial antibody with selective recognition marker molecules, the antibody having maximum saturated binding capacity of 41.28 mg / g for thifensulfuron methyl, the absorption rate reaches 0.45 mg / g.min within first 30 min which is 5.34 times and 3.46 times that of a non-marking method.

The present invention relates to herbicide composition of monosulfuron ester compound as well as its application, which is compounded with two-element or three-element from herbicide monosulfuron ester or its natrium salt (0.1 to 90 percent) as main active component, and other herbicide (0.1 to 85 percent) of ethyl carboxylic fluorine grass ether, Starane, thifensulfuron-methyl, tribenuron-methyl, 2,4D as well as its ramification, Prometrex prometryn, acetochlor, atrazine, triallate, metolachlor, bensulfuron-methyl or 2 armour 4 chlorin natrium etc., and the herbicide composition can be made into breast oil, wettable powder, soluble powder, water emulsion, microemulsion agent, aqua, suspending agent, microcapsule agent or water disperse particle agent by adding proper amount auxiliary agent and carrier accepted in agriculture. The composition can be used to prevent single and double cotyledon weed in wheat, corn and millet field.

Disclosed are fungicidal mixtures, compositions and methods for controlling plant diseases relating to combinations comprising (a) N-[2-(1,3-dimethyl-butyl)-3-thienyl]-1-methyl-3-(tri-fluoromethyl)-1H-pyrazole-4 carboxamide (including all stereoisomers) or an agriculturally suitable salt thereof; and (b) at least one compound selected from the group consisting of compounds of Formula III or Formula IV which act at the bcl complex of the fungal mitochondrial respiratory electron transfer site; (INSERT FORMULA III HERE) (INSERT FORMULA IV HERE) wherein W, A, B, D and R5? are disclosed in this specification, and agriculturally suitable salts thereof; and optionally (c) at least one compound selected from the group of compounds acting at the demethylase enzyme of the sterol biosynthesis pathway and agriculturally suitable salts thereof.

The present invention provides alkynyl thiofuran compound as shown in the general expression (I), and its preparation process and the application of its pesticide composition in controlling farm pest, germ, weed and pest to human and animal.

The invention relates to a conductive silk fibroin material and a preparation method thereof. The preparation method mainly comprises the following steps: (1) insoluble treatment of silk fibroin material; (2) 2-((2,3-dihydrothieno[3,4-b][1,4]dioxene-2-yl)methoxy)acetic acid activation product graft modification of silk fibroin material subjected to insoluble treatment; and (3) in-situ oxidation polymerization of thieno[3,4-b]-1,4-dioxin-2-methanol on silk fibroin material surface subjected to graft modification. The method can be used for preparing the silk fibroin conductive composite material with the polythieno[3,4-b]-1,4-dioxin-2-methanol grafted on the surface; the surface sheet resistance is 0.9*10<5>-5*10<7>ohm; the preparation technique is simple and mild; and the obtained novel biological material has high application value, and especially can be used as a nervous tissue engineering material and a neural restoration material.

The invention belongs to the field of preparation of chemical raw medicaments, and more in particular relates to an improved preparation method for a phosphodiesterase 5 inhibitor tadalafil. A specific synthesis route is shown in the specification. The method comprises the following steps of performing Pictet-Spengler cyclization reaction and chloroacetyl chloride acylation on starting reactants (D-tryptophan methyl ester hydrochloride and piperonal) to obtain an intermediate product, directly performing subsequent reaction on the intermediate product without purification, preparing an intermediate 1-(1,3-benzodioxol-5-yl)-2-(chloracetyl)-2,3,4,9-tetrahydro-1H-pyridino-[3,4,-B]indol-3-thiophenate methyl by using a one-pot reaction method, performing column chromatography purification to obtain a single cis-isomer, and finally reacting the single cis-isomer with methylamine hydrochloride in the presence of an inorganic base to obtain the tadalafil.

Disclosed herein are herbicidal compositions, characterized in that they comprise:A) an antidotically effective amount of one or more safeners from the group of the phosphorated esters of the formula (I):whereinT and T1 are independently selected from the group of hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl, and alkynyl;U is O or S, andV, W, X, Y, and Z are independently selected from the group of hydrogen, halogen, alkyl, haloalkyl, and alkoxy; andB) one or more sulfonamide or sulfonylurea herbicides selected from the group consisting of amidosulfuron, azimsulfuron, bensulfuron-methyl, chlorimuron-ethyl, chlorsulfuron, cinosulfuron, cyclosulfamuron, ethametsulfuron-methyl, ethoxysulfuron, flupyrsulfuron-methyl, flazasulfuron, foramsulfuron, halosulfuron-methyl, imazosulfuron, iodosulfuron-methyl, mesosulfuron-methyl, metsulfuron-methyl, nicosulfuron, oxasulfuron, primisulfuron-methyl, prosulfuron, thifensulfuron-methyl, tribenuron-methyl, trifloxysulfuron, triflusulfuron-methyl, triosulfuron, cloransulam-methyl, diclosulam, florasulam, flumetsulam, metosulam, penoxsulam, and combinations thereof, and methods for using the same.

The invention discloses a preparation method of a double-pyran thiophene photochromic polymer and color-changing anti-counterfeiting printing ink thereof. The preparation method of the double-pyran thiophene photochromic polymer includes the following steps that a double-pyran thiophene photochromic dye is subjected to acetylation to introduce acetyl, then a carboxylation reaction is further conducted, and an intermediate with carboxyl is obtained; the intermediate and hydroxyl acrylate matter are subjected to an esterification reaction to introduce double bonds, then copolymerization with acrylic monomers is further conducted, and the double-pyran thiophene photochromic polymer is prepared. The color-changing anti-counterfeiting printing ink prepared based on the double-pyran thiophene photochromic polymer can be changed to be yellow rapidly and then gradually changed to be blue or purple under illumination of sunlight or ultraviolet light, and after illumination is removed, the printing ink recovers to be colorless. The anti-counterfeiting performance of the prepared color-changing printing ink is improved, authenticity can be recognized without any instrument, and universality of anti-counterfeiting means can be improved.

The invention discloses a carbonyl reductase (i)Ch ( / i) KRED15 derived from Chryseobacterium ((i) Chryseobacterium ( / i) (i) ( / i) sp. CA49), and a coding gene thereof; the invention also discloses application of the carbonyl reductase as a biocatalyst in preparing a Duloxetine chiral intermediate ((i) S ( / i))-N-methyl-3-hydroxy-3-(2-thienyl) propanamide. The enantiomer excess of products is greater than 99.9%. 20 g / L of substrate can be catalyzed by Ch( / i) KRED15 crude enzyme (2U / mL), and the conversion rate of over 99% can be obtained in 2 hours; a coenzyme circulation system is simple, and has large industrial application prospect.

The invention discloses an A-D-A type organic small molecular receptor containing thienocarbazole seven-membered condensed ring (DTCC) as well as a preparation method and application thereof. The structural formula of the small molecular receptor is as shown in I. An intermediate and a synthetic route of a target organic small molecular receptor provided by the invention have the advantages of being simple and efficient, low in price of raw materials, easily available in raw material, high in universality, good in repeatability and the like, and can be popularized and applied to synthesizing various DTCC-based A-D-A type organic small molecular receptors. The organic small molecular receptor has the advantages of being stable in structure, universe and easily available in raw material and relatively low in production cost. The organic small molecular receptor for preparing a non-fullerene polymer solar battery can obtain the energy conversion efficiency of about 4.8-6%, so that an excellent potential of the small molecular receptor applied to the organic solar battery is fully exhibited, and the receptor has certain actual application value.

The present invention discloses a bionical rare earth organic complex light conversion agent and a preparation method thereof, and the composition of the bionical rare earth organic complex light conversion agent is as follows: SmM<1-x>(TTA)L. The light conversion agent chooses the easily obtained, cheap samarium ion as a central ion, lanthanum La<3 plus>, gadolinium Gd<3 plus> and yttrium Y<3 plus> as heterocaryotic central ions, organic compound (Alpha-thenoyltrifluoroaceton) with the lowest excited triplet level matching the Sm<3 plus> excited level as a ligand and o-phenanthroline, 2,2'-bipyridyl, trioctylphosphine oxide, triphenylphosphine oxide, etc. as second ligands. The method for preparing the light conversion agent includes the following steps: dissolution, stirring and reaction, deposition, filtration, washing, drying, grinding and finished product, and the appearance of the product is white or light yellow. The light conversion agent provided by the present invention can convert ultraviolet light into red light with a wavelength between 620nm and 660nm, the emitting efficiency is high, the color purity is high, and the strongest emission wavelength is close to the position of the maximum absorption peak of chlorophylls (a, b), so the light conversion agent can meet the physiological requirement of the photosynthesis of plants.

The invention describes a herbicide, O, O-demethyl-1-(2, 4-dichlorophenoxy)ethylphosphate (HW02), processing stems and leaves as well as weeding combination, containing an active compound and a compound selected from the compounds: tribenuron, thifensulfuron, methsulfuron, chlorsulfuron, bensulfuron, isoproturon, fluroxypyr, quinclorac, mefenacet ,alachlor, aetochlor, butachlor and metolachlor. The herbicide and its combination are applied to effectively prevent and cure various weeds in dry land, especially cornfield and rice paddy as well as garden, tea garden and lawn. It also describes their preparation and weed processing method as well as application to processing stems and leaves.

The invention discloses novel thiophenedicarboxylic acid-based copolyester as well as a preparation method and application thereof. The novel thiophenedicarboxylic acid-based copolyester has a structure represented by the following formula: wherein m, n and x are all selected from 1-200, and R is an aliphatic chain or alicyclic ring with a C atom number of 2-20. The novel thiophenedicarboxylic acid copolyester provided by the invention has the characteristics of high visible light transmittance, low melt viscosity, good heat resistance, excellent mechanical property and gas barrier property and the like, and can be widely applied to the fields of barrier films, barrier bottles, fibers, engineering plastics and the like.

The invention discloses a per-oxidized poly(3,4-ethylenedioxythiophene-graphite oxide (PEDOT / GO) modified electrode and an electrochemical detection method of the per-oxidized poly(3,4-ethylenedioxythiophene-graphite oxide (PEDOT / GO) modified electrode to pesticide imidacloprid. The invention relates to one modified electrode capable of being used for electrochemically detecting the pesticide imidacloprid; a per-oxidized PEDOT / GO composite material modified electrode is prepared by a synchronous electrochemical polymerization method and a subsequent per-oxidization process; the current response to the imidacloprid by the obtained electrode is enhanced obviously. The modified electrode has the advantages of high sensitivity, simplicity in operation, convenience in preparation, good stability and repeatability and the like when being used for detecting the pesticide imidacloprid.

The invention provides a PHA copolymer including at least a 3-hydroxy-ω-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2) or a formula (3) in a molecule, a precursor PHA copolymer having a corresponding vinyl group or a corresponding alkoxycarbonyl group, a biosynthesis method thereof by microorganisms, and a method of producing a desired PHA copolymer from the precursor PHA copolymer: (wherein k, m, n are integers; R18 represents H, Na, K, R27? represents (A); R1 represents a substituent on a cyclohexyl group and represents H, CN, NO2, a halogen atom, CH3, C2H5, C3H7, CF3, C2F5, or C3F7; R includes a residue including a phenyl structure or a thienyl structure; these being independent for each unit).

The present invention discloses a preparation method for an electro polymerization membrane comprising a thienyl mononuclear ruthenium complex, electrochemistry thereof, and photo electrochemical properties. A simple electrochemical method is adopted, so that a mononuclear ruthenium complex form a polymer membrane on an ITO electrode, and a test on electrochemical properties of the membrane shows that a 20-ring membrane aggregated by the polymer has good stability in an aqueous solution. A test on photoelectric properties of the membrane shows that in a negative bias voltage partial, the negative the bias voltage is, the larger the photocurrent of the membrane is, and when the bias voltage is 0 V, an extremely large photocurrent is also shown; and along with the increase of the bias voltage, the change range of the photocurrent is significantly smaller than the photocurrent in a bias voltage, and an excellent rectifying property is showed. Therefore, the electro polymerization membrane comprising the thienyl mononuclear ruthenium complex in the present invention has a broad application prospect in the field of energy conversion.

The invention relates to preparation method of a bis-thienyl pyrrolo-[3,4-c] pyrrole-1,4-diketone and (hybrid) arene copolymer, which belongs to the technical field of chemical preparation of high-molecular polymer materials. According to the preparation method, under an appropriate condition, bis-thienyl pyrrolo-[3,4-c] pyrrole-1,4-diketone as a raw material A and a dibromo-(hybrid) aromatic compound as a raw material B are directly react to obtain a target copolymer. Compared with the traditional method, the preparation method provided by the invention has obvious advantages, prevents the preparation link of an organic metal reagent, decreases the preparation steps, increases the overall yield, reduces the cost, prevents a great amount of toxic and harmful organic metal reagent wastes from being generated and is more conductive to the industrialized production.

The invention belongs to the technical field of organic photovoltaic materials, in particular to a preparation method and a film forming method of segmented copolymers with fullerene at a main chain. The segmented copolymers consist of fullerene, polyalkoxylated thiofuran and polylactic acid, and the segmented copolymers can automatically form micro-phase separation structures under the controllable dimension in the film forming process, so electron hole pairs are effectively separated on a micro-phase interface, the micro-phase separation structures formed by the method have good stability, the fullerene is used as electron receiving materials to be sequentially arranged on the micro-phase interface, and the consumption of the expensive fullerene is greatly saved. The preparation method provided by the invention has the advantages of simple and convenient process, high film forming quality, high input-output ratio, low cost, wide application prospects and the like. Products prepared by using the preparation method provided by the invention belong to a new generation of green environmental-protection high-performance chemical engineering products and can be used in the field of organic photovoltaic materials.

The invention belongs to the technical field of pesticide preparations, and particularly relates to a weeding composition containing tritosulfuron pestanal active components. The weeding composition comprises a component A and a component B which serve as the active components, wherein the component A is tritosulfuron pestanal, the component B is one or more of compounds including acetochlor, alachlor, metolachlor, dimethenamid, efficient dimethenamid, propisochlor, propachlor, ethachlor, diphenamide, ethaprochlor, flufenacet, allidochlor, prynachlor, nicosulfuron, rimsulfuron, thifensulfuron, atrazine, cyanazine, simazine, simetryn, ametryn, terbutryn, terbuthylazine, dimethyl tetrachloro, 2, 4-D butyl ester, 2, 4-D isooctyl ester, fluroxypyr, dichloro pyridine acid and fluroxypyr-mepthyl. The weeding composition can greatly improve preventing and removing effects of single doses, enlarges weeding spectrum, reduces dosage per mu (Chinese acre) and is very safe to crops.