Tsev - Cov khoom - Acid Chlorides - Paub meej
2, 5-Thiophenedicarboxylic Acid

2, 5-Thiophenedicarboxylic Acid

2, 5-Thiophenedicarboxylic acid yog ib qho kev ua haujlwm heterocyclic uas muaj txiaj ntsig zoo hauv cov organic synthesis, cov ntaub ntawv tshawb fawb, thiab kev tshawb fawb tshuaj. Nws qhov tshwj xeeb thiophene core, ua haujlwm nrog ob pawg carboxylic acid, muaj kev ua haujlwm zoo thiab muaj peev xwm ua tau zoo hauv cov tshuaj hloov pauv.

Hauj lwm lawm

 
Tuam txhab Profile
 

Shandong Sparrow Chemical Co., Ltd. yog tsim nyob rau hauv 2017, yog ib tug sau ntawm organophosphine tebchaw, organophosphine precious hlau catalysts thiab tshuaj intermediates kev tshawb fawb thiab kev loj hlob, ntau lawm thiab customization. Ua raws li cov txiaj ntsig tseem ceeb ntawm "neeg-taw qhia, ua haujlwm ncaj ncees, kev sib haum xeeb", lub tuam txhab yeej ib txwm coj "tsim muaj txiaj ntsig rau cov neeg siv khoom, tsim platform rau cov neeg ua haujlwm, tsim kev nplua nuj rau tib neeg" raws li nws lub luag haujlwm, thiab sib zog koom tes nrog txhua qhov haujlwm. ntawm cov zej zog kom ua tiav kev noj qab haus huv thiab kev loj hlob mus ntev ntawm lub tuam txhab.

 

Vim Li Cas Xaiv Peb
01/

Kev paub nplua nuj
Txij li thaum nws tsim, lub tuam txhab muaj ib tug hluas, high-zoo thiab high-tech R & D, ntau lawm thiab kev muag khoom pab neeg, muaj ib tug nplua nuj ntawm catalyst thiab ligand khoom tshawb fawb thiab kev loj hlob, ntau lawm kev, muaj peev xwm sai sai tsim thiab tsim cov neeg xav tau cov khoom, thaum muaj peev xwm undertake nyuaj kev cai synthesis tej yaam num.

02/

Peb qhov kev pabcuam
Peb pab neeg tshaj lij yuav muab cov neeg siv khoom nrog cov ncauj lus qhia ntxaws txog cov khoom lag luam thiab cov khoom siv ua ntej muag los teb cov lus nug ntawm cov neeg siv khoom. Cov qauv kuaj yuav muab rau cov neeg siv khoom raws li qhov tsim nyog raws li cov neeg siv khoom thov. Peb cov kws tshaj lij kev tswj hwm kev tswj hwm thiab pab pawg neeg ua haujlwm muaj txiaj ntsig zoo yuav xyuas kom cov khoom xa tuaj rau cov neeg siv khoom raws sijhawm. Peb cov neeg siv khoom txaus siab yog qhov tseem ceeb heev, kev pabcuam zoo tom qab muag yuav muab cov neeg siv khoom raws sijhawm, raug, kev sib tham thiab kev daws teebmeem kom tau raws li ntau yam kev xav tau ntawm cov neeg siv khoom, cov neeg siv khoom txaus siab yog peb qhov kev txaus siab tshaj plaws.

03/

Kev Lag Luam Ntau Lawm
Peb lub lag luam npog ntau lub lag luam hauv cheeb tsam thoob plaws ntiaj teb, nrog Asia, Europe thiab North America ua cov lag luam tseem ceeb, vam khom cov khoom zoo thiab cov kev pabcuam zoo, peb tseem ua tiav cov txiaj ntsig zoo.

04/

Pab neeg tshaj lij
Peb cov kws tshawb fawb thiab kev tsim kho pab pawg thiab pab pawg tsim khoom tseem tuaj yeem lees txais CUSTOMIZED PRODUCT los ntawm gram mus rau tons raws li koj xav tau.

 

 

2, 5-Thiophenedicarboxylic acid yog dab tsi?

 

 

2, 5-Thiophenedicarboxylic acid yog ib qho kev ua haujlwm heterocyclic uas muaj txiaj ntsig zoo hauv cov organic synthesis, cov ntaub ntawv tshawb fawb, thiab kev tshawb fawb tshuaj. Nws qhov tshwj xeeb thiophene core, ua haujlwm nrog ob pawg carboxylic acid, muaj kev ua haujlwm zoo thiab muaj peev xwm ua tau zoo hauv cov tshuaj hloov pauv.

 

Daim ntawv thov ntawm 2, 5-Thiophenedicarboxylic acid

 

 

Polymer Synthesis:

Lub precursor rau kev ua tau zoo polymers, tshwj xeeb tshaj yog cov uas muaj zog thermal thiab hluav taws xob zog, xws li polythiophenes thiab conjugated polymers.

Siv nyob rau hauv zus tau tej cov biodegradable cov ntaub ntawv vim nws renewable thiab eco-phooj ywg profile.

Pharmaceutical Development:

Ua haujlwm li nruab nrab hauv kev tsim cov molecules bioactive, suav nrog cov tshuaj tua kab mob, tshuaj tiv thaiv kab mob, thiab tshuaj tiv thaiv kab mob.

Siv tau rau hauv cov tshuaj formulation rau lub hom phiaj functionalization thiab solubility li.

Material Science:

Ib qho tseem ceeb hauv kev tsim cov organic semiconductors thiab cov khoom siv photoactive siv nyob rau hauv photovoltaic hlwb thiab sensors.

Nws cov tub ntxhais thiophene pab txhawb kom muaj peev xwm txav tau siab thiab ruaj khov hauv kev siv hluav taws xob.

Tshwj xeeb tshuaj:

Siv nyob rau hauv cov synthesis ntawm dyes, agrochemicals, thiab corrosion inhibitors.

Muab qhov tshwj xeeb reactivity rau tsim cov khoom sib xyaw ua ke hauv kev tsim tshuaj lom neeg zoo.

 

2,5-Thiophenedicarboxylic acid Structure thiab Responsiveness

Dual Carboxylic Pawg: Ob lub carboxylic acid moieties muab ntau txoj kev tshuaj tiv thaiv, nrog rau esterification, amidation, thiab ntsev tsim.

Thiophene tub ntxhais: Lub nplhaib electron nplua nuj thiophene muaj qhov tshwj xeeb reactivity rau electrophilic aromatic hloov thiab coupling tshua.

Thermal thiab Chemical Stability: Lub compound qhia zoo stability, ua rau nws haum rau ntau yam high-temperature thiab industrial txheej txheem.

 

 

2,5-Thiophenedicarboxylic acid Qhov zoo

 

 

Ntau yam: Adaptable rau cov ntawv thov thoob plaws ntau qhov kev lag luam.

Txhim kho Reactivity: Balanced functionality enables npaum synthesis ntawm derivatives.

Sustainability: Pab txhawb rau eco-friendly khoom tsim nyob rau hauv cov ntaub ntawv thiab tshuaj.

 

Peb lub Hoobkas

 

Shandong Sparrow Chemical Co., Ltd. yog tsim nyob rau hauv 2017, yog ib tug sau ntawm organophosphine tebchaw, organophosphine precious hlau catalysts thiab tshuaj intermediates kev tshawb fawb thiab kev loj hlob, ntau lawm thiab customization.

 

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FAQ

Q: Dab tsi yog triphenylphosphine siv rau?

A: Triphenylphosphine yog siv nyob rau hauv ntau yam kev siv, xws li sensitizers, tshav kub stabilizers, lub teeb stabilizers, antioxidants, nplaim retardants, antistatic agents, roj hmab antiozonants, thiab analytical reagents. Triphenylphosphine yog siv nyob rau hauv synthesis ntawm vitamin D2, vitamin A, clindamycin, thiab lwm yam tshuaj.

Q: Yuav ua li cas kom tshem tau triphenylphosphine?

A: Yog tias koj cov khoom lag luam ruaj khov thiab tsis tshua muaj polar, txoj hauv kev zoo ntawm kev tshem tawm triphenylphosphine oxide yog kom mloog zoo rau cov tshuaj tiv thaiv sib xyaw kom qis dua, tshem tawm cov seem hauv pentane (los yog hexane) / ether thiab lim hla lub silica plug.

Q: Koj ua li cas kom tua triphenylphosphine?

A: Tsuas yog tshaj tawm qee qhov methyl iodide. Qhov tshaj yog volatile thiab koj triphenylphosphine yuav instantaneously hloov mus rau hauv phosphonium ntsev, insoluble nyob rau hauv ntau cov kuab tshuaj. Nws kuj tseem yuav khaws cia yog tias koj lim los ntawm lub ntsaws luv luv ntawm nruab nrab alumina.

Q: Dab tsi yog qhov byproduct ntawm triphenylphosphine?

A: Ph3PO yog cov khoom lag luam los ntawm ntau cov txiaj ntsig zoo hauv cov organic synthesis suav nrog cov tshuaj tiv thaiv Wittig, Staudinger, thiab Mitsunobu. Nws kuj tseem tsim tau thaum PPh3Cl2 ua haujlwm los hloov cov cawv rau hauv alkyl chlorides: Ph3PCl2 + ROH → Ph3PO + HCl + RCl.

Q: Txoj kev ntawm triphenylphosphine yog dab tsi?

A: Txoj kev npaj muaj xws li cov kauj ruam nram qab no: reacting los ntawm kev ntxiv poov tshuaj hydroxide los yog sodium hydroxide uas yog siv raws li ib tug solute rau dimethyl sulfoxide uas yog siv raws li ib tug hnyav, thiab reacting los ntawm inletting ib tug phosphine roj rau ib lub thawv tshuaj tiv thaiv; Ntxiv cov tshuaj chlorobenzene rau lub thawv tshuaj tiv thaiv, thiab ...

Q: Vim li cas thiaj siv triphenylphosphine?

A: Triphenylphosphine yog siv nyob rau hauv kws tshuaj, organic synthesis, tsom xam thiab lwm yam lag luam. Kuj tseem siv los ua tus neeg sawv cev dawb rau cov thev naus laus zis dyeing, antioxidant rau cov tshuaj tiv thaiv polymerization thiab cov xim zaj duab xis kev loj hlob, stabilizer hauv cov tshuaj tiv thaiv ntawm kev tsim cov polyepoxide, thiab analytical reagent.

Q: Puas yog triphenylphosphine flammable?

A: Triphenylphosphine yog cov khoom tawg yooj yim uas maj mam oxidizes hauv huab cua los ua triphenylphosphine oxide. Nws yog insoluble hauv dej. TRIPHENYL PHOSPHIN reacts nrog oxidizing cov ntaub ntawv.

Q: Dab tsi yog triphenylphosphine oxide siv rau?

A: TPPO tau raug siv los ua ib qho ntxiv rau kev pab cuam co-crystallization ntawm cov organic tebchaw. Qhov no yog qhov tshwj xeeb tshaj yog tias koj muaj cov khoom siv crystalline tsis zoo, lossis tsis muaj ntau qhov sib xyaw ua haujlwm nrog.

Q: Yuav ua li cas tshem tawm triphenylphosphine?

A: Yog tias koj cov khoom lag luam ruaj khov thiab tsis tshua muaj polar, txoj hauv kev zoo ntawm kev tshem tawm triphenylphosphine oxide (tsim nyob rau hauv Wittig, Mitsunobu, bromination, thiab lwm yam kev cuam tshuam) yog kom mloog zoo rau cov tshuaj tiv thaiv sib xyaw kom qis dua, tshem tawm cov seem hauv pentane ( los yog hexane) / ether thiab lim hla lub silica plug.

Q: Dab tsi yog qhov kev phom sij rau Triphenylphosphine?

A: H372 Ua rau lub cev puas tsuaj (lub paj hlwb) los ntawm kev raug ncua ntev lossis rov ua dua. P260 Tsis txhob ua pa plua plav lossis pos huab. P270 Tsis txhob noj, haus lossis haus luam yeeb thaum siv cov khoom no. P280 Hnav cov hnab looj tes tiv thaiv / qhov muag tiv thaiv.

Q: Yuav ua li cas tshem tawm trimethylphosphine oxide?

A: Kuv tau ua ntau yam tshuaj tiv thaiv qhov twg cov byproduct yog triphenylphosphine oxide. Txoj kev yooj yim tshaj plaws uas kuv tau pom kom tshem tawm PPh3O yog kom yaj cov tshuaj tiv thaiv sib xyaw hauv ethanol, ntxiv 2 qhov sib npaug ntawm zinc chloride (2 qhov sib npaug piv rau PPh3) thiab do rau ob peb teev ntawm chav tsev kub.

Q: Lub luag haujlwm ntawm triphenylphosphine yog dab tsi?

A: Triphenylphosphine oxide yog siv los ua ib qho catalyst, Lewis puag, ligand rau hlau thiab pib cov khoom siv rau kev npaj ntawm lwm cov phosphorus compounds. Nws kuj yog siv rau hauv epoxidation, Michael cov tshuaj tiv thaiv thiab kev sib txuas lus. Nws reacts nrog tooj liab (II) halides thiab tsim kev sib koom ua ke ntawm tooj liab (II).

Q: Dab tsi yog qhov hnyav rau triphenylphosphine?

A: Hauv kev lag luam, triphenylphosphine feem ntau yog purified los ntawm recrystallization los ntawm cov kuab tshuaj organic, xws li ethanol, benzene, thiab acetone. Yog li, qhov solubility ntawm triphenylphosphine hauv cov kuab tshuaj organic no yog qhov tseem ceeb rau kev sib cais thiab kev ua kom huv.

Q: Koj ua li cas oxidize triphenylphosphine?

A: Nyob rau hauv lub xub ntiag ntawm Pd (II) catalyst, triphenylphosphine tuaj yeem oxidized nrog molecular oxygen ntawm chav tsev kub hauv qab atmospheric siab los tsim triphenylphosphine oxide. Tus nqi ntawm oxidation nyob ntawm seb hom anionic ligand ntawm palladium ntsev.

Q: Puas yog triphenylphosphine txaus ntshai?

A: Irritating rau qhov muag, ua pa thiab tawv nqaij. Tej zaum yuav ua rau muaj kev cuam tshuam ntev ntev hauv cov dej hauv dej. Kev noj cov khoom tsis zoo tuaj yeem tsim kev puas tsuaj; Kev sim tsiaj txhu qhia tias noj tsawg dua 150 gram tuaj yeem ua rau tuag taus lossis ua rau muaj kev puas tsuaj loj rau kev noj qab haus huv ntawm tus neeg.

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