Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm 9-phenanthrenylboronic acid cas 68572-87-2 nyob Suav teb. Txais tos rau cov lag luam wholesale bulk zoo 9-phenanthrenylboronic acid cas 68572-87-2 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
9-phenanthrenylboronic acidyog ib yam tshuaj uas feem ntau tshwm ua hmoov los yog dawb crystal. Nws cov khoom lag luam qib purity tuaj yeem ncav cuag 98% lossis 99%, thiab nws yog soluble hauv DMSO (dimethyl sulfoxide). Nws yog tsuas yog siv los ua ib qho nruab nrab hauv cov khoom siv hluavtaws thiab muaj ntau yam kev siv hauv thaj tsam ntawm cov organic synthesis. Nws tuaj yeem koom nrog ntau yam tshuaj lom neeg, xws li Suzuki coupling cov tshuaj tiv thaiv, thiab siv los ua ke cov organic tebchaw nrog cov qauv tshwj xeeb thiab kev ua haujlwm.
Cov ntaub ntawv ntxiv ntawm chemical compound:
|
Tshuaj Formula |
C14H11BO2 |
|
Exact Mass |
222.09 |
|
Molecular Luj |
222.05 |
|
m/z |
222.09(100.0%),221.09(24.8%), 223.09 (9.7%),223.09 (5.4%), 222.09 (3.8%), 224.09 (1.1%) |
|
Elemental Analysis |
C, 75.73; H, 4.99; B, 4.87; O, 14.41 |
|
Melting point |
165-170 degree |
|
Boiling point |
479.5 ± 28.0℃(Tshaj tawm) |
|
Qhov ntom |
1.26 ± 0.1 g / cm3 (Kev kwv yees) |
|
|
|
Kev Tshawb Fawb Kev Txhim Kho thiab Kev Siv Hauv Ultrafast Spectroscopy
Ultrafast spectroscopy yog ib qho kev sim siv los kawm cov lus teb ntawm cov tshuaj rau lub teeb excitation nyob rau hauv lub sij hawm luv luv. Los ntawm kev ua tiav femtosecond (10⁻¹⁵ vib nas this) lossis txawm attosecond (10⁻¹⁸ vib nas this) lub sijhawm daws teeb meem, nws nthuav tawm cov txheej txheem nrawm nrawm xws li kev hloov pauv hluav taws xob thiab lattice vibrations hauv molecules thiab atoms.9-Phenanthrenylboronic Acid, vim nws qhov tshwj xeeb boronic acid pawg thiab conjugated qauv nrog lub nplhaib phenanthrene, tau dhau los ua ib qho qauv tseem ceeb molecule hauv ultrafast spectroscopy rau kev kawm photophysical thiab photochemical txheej txheem.
Cov ntsiab lus ntawm Ultrafast Spectroscopy thiab Compatibility ntawm 9-phenanthrenylboronic Acid
Lub hauv paus ntawm ultrafast spectroscopy yog nyob rau hauv kev siv lub twj tso kua mis - sojntsuam mechanism. Los ntawm ob lub sijhawm- ncua sijhawm femtosecond laser pulses (lub teeb lub teeb pom kev zoo siab rau cov qauv, thiab lub teeb sojntsuam saib xyuas cov kev hloov hauv lub xeev zoo siab), cov lus teb zoo ntawm cov tshuaj hauv lub sijhawm luv luv tuaj yeem ntes tau. Lub nplhaib phenyl ntawm 9-phenylboronic acid muaj lub dav hlau nruj, uas tuaj yeem tsim qhov ruaj khov π-conjugated system, thaum pawg boronic acid (-B(OH)₂) endows nws muaj peev xwm paub txog (xws li khi rau cis diols).
Cov yam ntxwv ntawm cov qauv no muab nws ob qhov zoo hauv kev tshawb fawb ultrafast spectroscopy:
Optical Physical Properties:Lub kaw lus sib txuas ntawm lub nplhaib phthalocyanine tuaj yeem txhawb kev hloov pauv ntawm cov hluav taws xob los ntawm lub xeev hauv av (S₀) mus rau lub xeev zoo siab (S₁/T₁), tsim cov fluorescence lossis phosphorescence signals. Ultrafast spectroscopy tuaj yeem taug qab lub neej ntev, txoj hauv kev hloov pauv hluav taws xob, thiab tsis yog - cov txheej txheem radiative so ntawm cov xeev zoo siab.
Chemical dynamic txheej txheem:Kev khi ntawm pawg boronic acid rau lub hom phiaj molecule (xws li qabzib) cuam tshuam nrog kev tsim cov hydrogen dynamic thiab tawg. Ultrafast spectroscopy tuaj yeem saib xyuas tus nqi tsis tu ncua thiab lub xeev nruab nrab ntawm cov txheej txheem no hauv lub sijhawm.
Cov ntawv thov ntawm 9-phenanthrenylboronic Acid hauv Ultrafast Spectroscopy Research
Excited lub xeev dynamics tshawb fawb
Los ntawm femtosecond transient absorption spectroscopy (fs{0}}TAS), cov kws tshawb fawb tuaj yeem soj ntsuam lub xeev zoo siab nqus (ESA), hauv av xeev bleaching (GSB), thiab txhawb nqa tawm (SE) cov cim ntawm 9-phenylboronic acid tom qab kho qhov muag.
Piv txwv li, thaum lub teeb lub twj tso kua mis sib tw nrog nws lub siab nqus, π electrons ntawm lub nplhaib phthalocyanine zoo siab rau S₁ lub xeev, thiab tom qab ntawd so rau hauv av hauv lub xeev los ntawm kev hloov pauv sab hauv (IC) lossis intersystem hla (ISC). fs-TAS tuaj yeem ntsuas lub sijhawm so kom raug (xws li S₁ lub xeev lub neej nyob hauv picosecond mus rau nanosecond range), qhia txog cov txheej txheem ntawm kev hloov pauv ntawm cov nqi intramolecular thiab lub zog dissipation.
Taug qab ntawm cov tshuaj tiv thaiv photochemical intermediates
Hauv cov tshuaj tiv thaiv uas cuam tshuam nrog pawg boronic acid (xws li tsim cov cyclic esters nrog cov piam thaj), ultrafast spectroscopy tuaj yeem ntes cov intermediates tseem ceeb hauv cov tshuaj tiv thaiv kab mob. Piv txwv li, tom qab excitation los ntawm lub twj tso kua mis lub teeb, qhov khoob p orbital ntawm pawg boronic acid tsim kev sib koom tes nrog hydroxyl oxygen ntawm qabzib, thiab fs -TAS txiav txim siab tus nqi tshuaj tiv thaiv thiab kev ua kom lub zog los ntawm kev saib xyuas cov kev hloov pauv ntawm cov yam ntxwv nqus siab siab, muab lub hauv paus rau kev ua kom zoo dua cov tshuaj tiv thaiv.
Kev tshuaj xyuas ntawm cov lus teb uas tsis yog-linear optical
9-Phenylboronic acid tuaj yeem pom cov teebmeem uas tsis yog-linear optical (xws li ob-photon absorption, thib peb- xaj nonlinear polarization) nyob rau hauv muaj zog femtosecond laser irradiation. Los ntawm Z-scan cov tswv yim los yog plaub-yoj sib xyaw thwmsim, nws cov nonlinear optical coefficients tuaj yeem txheeb xyuas, ntsuas nws cov peev xwm hauv cov ntawv thov xws li kev txwv qhov muag thiab txhua qhov kev hloov kho qhov muag.
Kev sib tw thiab kev daws teeb meem
Teeb liab superposition teeb meem
Hauv fs-TAS, kev txaus siab ntawm lub xeev nqus thiab hauv av lub xeev cov tshuaj dawb tuaj yeem sib tshooj, ua rau kev txhais cov ntaub ntawv nyuaj. Cov kws tshawb fawb siv lub ntiaj teb haum algorithms (xws li exponential decay qauv) los yog kev kawm tshuab - pab tsom xam cais cov kev koom tes ntawm cov teeb liab sib txawv, txhim kho qhov tseeb ntawm kinetic parameters.
Sample kev tswj qhov sib npaug
Kev sib sau ua ke ntawm 9-phenylboronic acid nyob rau hauv cov kua los yog zaj duab xis yuav cuam tshuam rau lub teeb nqus tus cwj pwm. Hauv kev sim, quartz cuvettes lossis tshuab nqus tsev vacuum yuav tsum tau siv los xyuas kom meej tias tsis muaj npuas thiab tswj lub twj tso kua mis lub teeb wavelength kom haum rau qhov nqus siab kawg ntawm cov qauv, zam kev tsis zoo.
Lub sij hawm xoom-point calibration
Lub sij hawm ncua ntawm lub teeb lub twj tso kua mis thiab lub teeb pom kev yuav tsum yog qhov tseeb rau qib femtosecond. Los ntawm kev ntsuas cov txheej txheem ultrafast paub (xws li Rayleigh tawg) lossis siv cov kab kho qhov muag ncua sijhawm (nrog qhov tseeb txog li pua pua nanometers), "lub sijhawm xoom-taw tes" tuaj yeem ntsuas kom ntseeg tau cov ntaub ntawv.
Fluorescent Analytical Reagent
9-Phenanthrenylboronic Acid yog dav siv los ua cov tshuaj fluorescent analytical reagent nyob rau hauv kev tshawb nrhiav biochemical, vam khom feem ntau ntawm cov fluorescence muaj zog ntawm nws cov phenanthrene nplhaib qauv thiab qhov tshwj xeeb khi muaj peev xwm ntawm boronic acid pawg. Cov pab pawg boronic acid tshwj xeeb tuaj yeem khi rau cov qauv cis-diol hauv cov piam thaj molecule los ua ib lub voj voog boronate ester, uas ua rau muaj kev hloov pauv ntawm nws tus kheej fluorescence teeb liab.
Los ntawm kev soj ntsuam kev hloov pauv hauv kev siv fluorescence, cov piam thaj hauv cov ntshav tuaj yeem raug ntsuas kom raug, nrog rau kev tshawb pom rhiab heev txog qib nanomolar, muab txoj hauv kev zoo thiab yooj yim rau kev tshawb nrhiav biochemical xws li kev soj ntsuam ntshav qabzib. Nrog nws zoo heev fluorescence quantum tawm los thiab photostability, nws tau raug ncua mus rau kev tshawb pom ntawm tej biomolecules thiab ib puag ncig muaj kuab paug. Lub caij no, nws cov dej solubility thiab kev paub txog kev ua tau zoo tuaj yeem ua kom zoo dua los ntawm kev hloov kho cov qauv kom hloov mus rau qhov sib txawv ntawm qhov kev tshawb pom, uas qhia tau hais tias muaj peev xwm siv tau thiab kev loj hlob zeem muag hauv kev tshawb nrhiav biosensing thiab precision.
Cov Lus Qhia Txog Kev Tshawb Fawb Yav Tom Ntej
Multidimensional ultrafast spectroscopy ua ke
Kev sib xyaw femtosecond transient absorption spectroscopy nrog lub sij hawm- daws teeb meem fluorescence spectroscopy (TRFLS) ib txhij tau txais cov ntaub ntawv zoo siab ntawm lub xeev nqus thiab emission, ua tiav kev tshuaj xyuas qhov kho qhov muag ntawm 9-phenylboronic acid.
Hauv qhov chaw ib puag ncig simulation
Kawm txog lub teeb teb ntawm 9-phenylboronic acid nyob rau hauv physiological pH los yog complex biological media los simulate nws tiag tiag daim ntawv thov scenarios hauv qabzib sensing los yog cell imaging.
Theoretical xam kev pab
Los ntawm kev suav tshuaj quantum (xws li TD-DFT), simulating lub xeev siab zog theem thiab hloov dipole lub sij hawm ntawm 9-phenylboronic acid, muab theoretical txhawb rau kev sim cov ntaub ntawv thiab qhia molecular qauv optimization.
|
|
|
|
|
9-Phenanthrenylboronic Acid yog boron - muaj cov organic compound. Nws cov khoom siv tshuaj lom neeg feem ntau yog tig mus ncig ntawm kev sib cuam tshuam ntawm pawg boronic acid (-B(OH)₂) thiab cov kab ke sib txuas ntawm lub nplhaib phenanthrene, nthuav tawm cov cim reactivity, lub cev muaj zog, thiab tshuaj lom neeg coj cwj pwm nyob rau hauv tej yam kev mob.
Cov pab pawg boronic ntawm 9-fluorenylboronic acid yog lub hauv paus ntawm nws cov khoom siv tshuaj. Cov pab pawg no muaj ob pawg hydroxyl (-OH), ua rau nws tsis muaj zog acidic hauv kev daws (pKa ≈ 8.5), thiab nws tuaj yeem ua rau cov hauv paus tsim borates. Qhov tseem ceeb tshaj, pawg boronic tuaj yeem khi rau cis diols (xws li qabzib, fructose), tsim cov esters rov qab. Cov tshuaj tiv thaiv no muaj txiaj ntsig zoo nyob rau hauv lub cev pH (xws li pH 7.4) thiab muaj kev xaiv siab rau cov qauv cis diol, muaj zog tiv thaiv - muaj peev xwm cuam tshuam. Piv txwv li, hauv kev kuaj ntshav qabzib, 9-fluorenylboronic acid tuaj yeem ua tiav micro-molar-theem kuaj pom los ntawm cov teeb liab fluorescence hloov, thiab tus nqi sib txawv nrog lwm cov suab thaj (xws li lactose, maltose) tsawg dua 5%.
Tsis tas li ntawd, pawg boronic yog ib qho tseem ceeb koom nrog hauv Suzuki -Miyaura cross- cov tshuaj tiv thaiv sib txuas. Nyob rau hauv qhov kev txiav txim ntawm palladium catalyst, 9-fluorophenylboronic acid tuaj yeem hnov mob nrog halogenated aromatics (xws li bromobenzene, iodoanisole) los tsim cov pa roj carbon-carbon bonds thiab tsim cov polynuclear aromatic compounds. Cov tshuaj tiv thaiv no yog me me (feem ntau ua tiav ntawm 80-100 degree), muaj cov txiaj ntsig siab (txog 90% lossis ntau dua), thiab muaj kev sib raug zoo nrog cov pab pawg ua haujlwm, ua rau nws yog ib qho tseem ceeb rau kev sib txuas ntawm polycyclic aromatic hydrocarbons (PAHs) thiab tshuaj intermediates.
phenyl nplhaib qauv ntawm 9-phenylboronic acid muaj peb fused benzene rings, tsim ib tug nruj planar conjugated system. Cov qauv no endows nws nrog cov khoom tshwj xeeb lub cev:
Optical zog: Lub conjugated system ntawm phthalocyanine txhawb π→π * kev hloov hluav taws xob, muab 9-phenoxyboronic acid muaj zog nqus nyob rau hauv ultraviolet{5}} pom thaj tsam (250-400 nm). Nws cov fluorescence emission ncov feem ntau yog nyob ntawm 450-550 nm (xiav-ntsuab lub teeb), nrog quantum tawm los ntawm 0.3-0.5, ua rau nws haum rau fluorescence sensing thiab imaging.
Thermal stability: Lub melting point ntawm 9-phenoxyboronic acid yog 165-170 degree, thiab qhov kwv yees qhov kub ntawm qhov kub yog 479.5 degree, qhia tias nws tuaj yeem tswj kev ruaj ntseg ntawm qhov kub thiab txias. Cov cuab yeej no ua rau nws muaj peev xwm siv tau rau hauv qhov kub thiab txias (xws li kev sib txuas sib txuas).
Solubility: 9-phenoxyboronic acid muaj zoo solubility nyob rau hauv polar non-aqueous solvents (xws li dimethyl sulfoxide, DMSO), tab sis muaj tsawg solubility nyob rau hauv dej (li 0.1 mg / mL). Los ntawm kev hloov kho cov qauv (xws li qhia cov pab pawg sulfonic acid), nws cov dej solubility tuaj yeem txhim kho tau zoo.
9-phenoxyboronic acid tuaj yeem ruaj khov rau lub sijhawm ntev nyob rau hauv qhuav thiab lub teeb- tiv thaiv tej yam kev mob. Nws pawg boronic acid ruaj khov nyob rau hauv acidic los yog nruab nrab ib puag ncig, tab sis nws yog nquag hydrolyze nyob rau hauv muaj zog alkaline tej yam kev mob (pH> 10), generating borate thiab phenoxyphenol. Tsis tas li ntawd, ntev - lub sij hawm raug rau huab cua yuav ua rau ib nrab oxidation, tsim phaeonol-hom impurities. Yog li ntawd, qhov kev pom zoo khaws cia yog: ntim rau hauv lub tshuab desiccator, tiv thaiv los ntawm lub teeb, thiab khaws cia ntawm qhov kub ntawm chav tsev kub (25 degree).
Chemical Dynamics hauv Ultrafast Spectroscopy
Hauv kev kawm ntawm ultrafast spectroscopy, chemical dynamic txheej txheem ntawm 9-phenoxyboronic acid tuaj yeem taug qab siv femtosecond laser pulses. Tom qab zoo siab los ntawm lub teeb, π electrons ntawm lub nplhaib phenyl hloov los ntawm lub xeev hauv av (S₀) mus rau lub xeev zoo siab (S₁), thiab tom qab ntawd so rov qab mus rau hauv av hauv xeev los ntawm kev hloov pauv sab hauv (IC) lossis intersystem hla (ISC). Cov txheej txheem khi ntawm pawg boronic acid nrog lub hom phiaj molecule (xws li qabzib) kuj tuaj yeem saib xyuas los ntawm ultrafast spectroscopy, nthuav tawm txoj hauv kev zoo ntawm hydrogen daim ntawv cog lus tsim thiab tawg. Piv txwv li, lub twj tso kua mis- kev sojntsuam sojntsuam qhia tau hais tias tus nqi tsis tu ncua ntawm boronic acid-qab zib khi tuaj yeem ncav cuag 10⁸ - 10⁹ M⁻¹s⁻¹, qhia tau tias muaj kev cuam tshuam sai heev.
Cov khoom siv tshuaj lom neeg ntawm 9-phenoxyboronic acid ua rau nws muaj txiaj ntsig rau kev siv hauv ntau qhov chaw:
Organic Synthesis: Raws li ib qho reagent rau Suzuki coupling cov tshuaj tiv thaiv, nws yog siv los ua ke polycyclic aromatic hydrocarbons thiab tshuaj intermediates (xws li FLAP protein inhibitors, PARP-2 selective inhibitors).
Bio-Sensing: Los ntawm kev siv cov kev khi tshwj xeeb ntawm borate thiab qab zib, ib qho kev sojntsuam qabzib fluorescence yog tsim los kom ua tiav cov ntshav qabzib txuas ntxiv rau cov neeg mob ntshav qab zib.
Cov Khoom Siv Kev Tshawb Fawb: Kev koom tes hauv kev sib txuas ntawm cov polymers conjugated, uas yog siv rau hauv cov teeb pom kev organic-emitting diodes (OLEDs) thiab cov khoom siv hluav taws xob photovoltaic los txhim kho cov nqi thauj mus los.
FAQ
Puas yog phenanthrene yog ib qho khoom lossis kua?
+
-
Phenanthrene yog xim tsis muaj xim rau dawb, crystalline (xuab zeb -zoo li)khov khonrog tus ntxhiab tsw qab. Nws yog siv nyob rau hauv dyestuffs, explosives, tshawb fawb, thiab ua tshuaj.
Naphthalene 2 boronic acid yog dab tsi?
+
-
Naphthalene-2-boronic acid, yogib tug hluavtaws zoo tshuaj pab tau nyob rau hauv lub synthesis ntawm pharmaceuticals thiab nplua organic tshuaj.
Cim npe nrov: 9-phenanthrenylboronic acid CAS 68572-87-2, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom