Cupferron CAS 135-20-6

Cupferronyog ib qho organic compound, tseem hu ua N-phenyl-N-hydrogen peroxide (Phenylhydroxylamine peroxide). Cov mis mos molecular yog C6H5N(O)H, qhov hnyav molecular yog 135.12 g / mol, thiab CAS 135-20-6. Nws yog xim av khoom, teej tug mus rau ib hom organic peroxide. Nws cov qauv molecular muaj N-hydromethylamide pawg thiab benzene nplhaib pawg, nrog cov pa atoms ntawm ob sab. Soluble nyob rau hauv dej kub, ethanol, benzene thiab lwm yam organic solvents, thiab ib nrab soluble nyob rau hauv dej txias ntawm chav tsev kub. Lub solubility hauv dej yog me me, 0.04 grams yuav yaj ib 100 milliliters dej. Tsis tas li ntawd, nws tuaj yeem tsim cov complexes nrog hlau ions, xws li Fe (III) thiab Cu (II). Nws yog cov organic peroxide uas muaj zog oxidation-txo cov khoom. Nyob rau hauv ib puag ncig acidic, nws tawg yooj yim, tso oxygen. Tsis tas li ntawd, nws tseem yog nplaim taws thiab tawg, thiab yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav, thiab qhov cua. Nws yog dav siv nyob rau hauv analytical chemistry thiab feem ntau yog siv nyob rau hauv lub colorimetric kev txiav txim ntawm tooj liab ions, npib tsib xee ions, cobalt ions thiab hlau ions. Tsis tas li ntawd, qee qhov ntawm nws cov derivatives kuj tuaj yeem siv rau hauv kev npaj cov khoom siv semiconductor.

Cupferron, tseem hu ua N-phenyl-N'-cyclohexylurea, yog ib qho organic peroxide. Nws cov qauv molecular muaj lub nplhaib benzene, urea ua haujlwm pab pawg thiab pawg cyclohexyl.
1. Molecular qauv:
Cov mis mos molecular ntawm nws yog C13H13N3O, thiab cov txheeb ze molecular loj yog 239.27 g / mol. Muaj ib lub hauv paus symmetrical urea functional pawg nyob rau hauv nruab nrab ntawm lub molecule, thiab ob sab yog txuas nrog ib tug benzene nplhaib thiab ib pawg cyclohexyl, raws li qhia nyob rau hauv daim duab hauv qab no.

2. Crystal qauv:
Cov khoom siv lead ua yog nyob rau hauv monoclinic crystal system, thiab pawg taw tes yog P2_1/n. Nws cov cell parameters yog a=12.875 Å, b=17.211 Å, c=7.616 Å, =90.63 degree . Nyob rau hauv cov muaju, nws cov molecules yog teem nyob rau hauv ib txheej txheej ntawm ob molecules los ntawm hydrogen bonding. Ntawm lawv, muaj zog π-π stacking kev sib cuam tshuam thiab van der Waals rog ntawm cov molecules.

3. Ionic xeev:
Nws tuaj yeem tsim cov complexes thiab tsim cov complexes nrog kev hloov hlau ions. Nyob rau hauv txoj kev, cov qauv molecular ntawm ligand hloov, thiab cov proton ntawm urea functional pawg yog pauv mus rau hauv lub xeev anion. Hauv cov complexes nrog hlau ions, Nws ligand poob ib H + proton thiab hloov mus rau nws cov anion NH2 (C=NO-), yog li tsim tridentate thiab tetradentate complexes nrog Fe3+.

Nws tseem hu ua N-phenyl-N'-cyclohexyl urea, yog cov organic peroxide nrog ntau yam kev thov.

1. Hlau ion tsom xam:

Cupferrontuaj yeem siv rau hauv kev tshuaj xyuas thiab kev txiav txim siab ntawm cov hlau ions vim tias nws tsim cov chromogenic complexes nrog qee cov hlau ions. Ntawm lawv, hlau ion yog lub hom phiaj ion tshaj plaws hauv Nws kev tshuaj xyuas. Nws tsim lub ci liab complex nrog hlau ions, uas tuaj yeem siv rau kev txheeb xyuas ntau ntawm cov hlau, xws li kev txiav txim siab ntawm cov hlau hauv steel, ore, thiab lwm yam. Tib lub sijhawm, Nws kuj tuaj yeem siv rau kev tsom xam ntawm lwm cov hlau ions. , xws li manganese, cobalt, tooj liab, npib tsib xee, nyiaj, thiab lwm yam.

2. Organic synthesis:

Nws tuaj yeem siv los ua tus neeg sawv cev txo qis thiab oxidizing tus neeg sawv cev hauv cov organic synthesis. Nyob rau hauv cov organic synthesis cov tshuaj tiv thaiv, cov pa atoms ntawm cov khoom tuaj yeem hnov ​​​​mob nrog qee cov tebchaw los tsim cov carbonyl sib txuas. Piv txwv li, Nws muaj peev xwm oxidize benzaldehyde rau benzoic acid, thiab nyob rau hauv lub xub ntiag ntawm cov thawj amines yuav hloov halides mus rau coj tus thawj amines. Tsis tas li ntawd, Nws kuj tuaj yeem siv los ua cov tshuaj tiv thaiv antioxidant thiab electron txais rau kev npaj cov khoom siv semiconductor.

3. Kev tshawb fawb tshuaj:

Nws tuaj yeem siv rau kev tshuaj xyuas hlau complex hauv kev tshawb fawb tshuaj. Txij li thaum Nws tuaj yeem tsim lub teeb liab ci, nws tuaj yeem siv los txheeb xyuas seb cov khoom puas muaj hlau ions. Tshwj xeeb tshaj yog rau qee cov tshuaj molecules uas muaj kev hloov pauv hlau ions, xws li hlau, tooj liab, thiab lwm yam., Nws tuaj yeem pab tau zoo hauv kev kawm txog kev sib koom tes hlau hauv lawv cov kev tshawb fawb pharmacological thiab pharmacokinetics.

4. Kev saib xyuas ib puag ncig:

Nws tuaj yeem siv rau kev txheeb xyuas cov kuab paug organic hauv kev saib xyuas ib puag ncig. Nws muaj peev xwm tsim complexes nrog tej yam organic pollutants, xws li benzene, zaub mov additives, tshuaj, thiab lwm yam. Cov organic pollutants nyob rau hauv cov qauv no yuav muab rho tawm los ntawm pre-kev kho mob technology, thiab ces react nrog nws los tsim ib tug complex xim, yog li yooj yim rau quantify txheej txheem tsom xam. Yog li ntawd, nws tuaj yeem siv rau kev tshawb nrhiav cov organic paug hauv dej, av thiab huab cua.

5. Bioanalysis:

Nws tuaj yeem siv rau kev tshawb pom ntawm qee yam biomacromolecules hauv bioanalysis. Piv txwv li, los ntawm kev sib cuam tshuam cov khoom nrog cov proteins, cov protein molecules tuaj yeem hloov pauv, yog li paub txog kev sib cais ntawm cov proteins thiab nrhiav kom pom cov khoom ntawm tes. Tsis tas li ntawd, Nws kuj tuaj yeem siv rau hauv kev tshuaj xyuas DNA, tshuaj tiv thaiv enzyme, kev saib xyuas ib puag ncig thiab lwm yam kev tshawb fawb.

Nyob rau hauv xaus, Nws yog ib qho tseem ceeb heev organic peroxide, uas muaj zoo heev daim ntawv thov kev cia siab nyob rau hauv cov hlau ion tsom xam, organic synthesis, kev tshawb fawb tshuaj, ib puag ncig saib xyuas thiab lom tshuaj ntsuam xyuas.

Cupferronyog ib qho organic peroxide, thiab nws cov txheej txheem synthesis feem ntau muaj peb hom: Cannizzaro cov tshuaj tiv thaiv txoj kev, nitrosophenol txoj kev thiab -naphthol txoj kev. Peb txoj kev no yuav raug qhia nyias.

1. Cannizzaro tshuaj tiv thaiv txoj kev:

Cov tshuaj tiv thaiv Cannizzaro yog cov tshuaj tiv thaiv uas phenylhydrazine oxidized nyob rau hauv aqueous tov los tsim cov khoom. Cov tshuaj tiv thaiv thawj zaug reacts phenylhydrazine nrog dawb hydroxide ions nyob rau hauv cov xwm txheej yooj yim tsim oxime alkoxide anion, uas yog tom qab ntawd oxidized los ntawm huab cua los tsim cov khoom. Cov tshuaj tiv thaiv Cannizzaro tuaj yeem ua tau los ntawm cov kauj ruam hauv qab no:

(1) Kev npaj ntawm phenylhydrazine. React aniline thiab chloric acid los tsim phenylhydrazine ntsev, tom qab ntawd ntxiv dej ammonia anhydrous, thiab tau txais phenylhydrazine tom qab hydrolysis.

(2) Cov tshuaj tiv thaiv tsim oxime alkoxide anion. Dissolving phenylhydrazine nyob rau hauv tsis muaj zog alkaline tej yam kev mob, xws li sodium hydroxide los yog sodium carbonate, generates oxime alkoxide anion.

(3) Cov tshuaj tiv thaiv oxidation. Nyob rau hauv ib puag ncig alkaline nrog pH ntawm txog 8, dhau huab cua mus rau hauv oxime cawv anion tov thiab cua sov rau 80-90 degree, nws yuav maj mam tsim thiab nws thiaj li los nag.

Cov tshuaj tiv thaiv tshwj xeeb rau kev sib txuas ntawm Nws los ntawm Cannizzaro cov tshuaj tiv thaiv yog:

C₆H₅NHNH₂+ OH^- → C₆H₅N (OH) NH^- + H₂O

C₆H₅N (OH) NH^- + O₂ → C₆H₅N(O)OH + H₂O₂+ OH^-

C₆H₅N(O)OH + OH^- → C₆H₅N(O)OH₂^- + H₂O

C₆H₅N(O)OH₂^- + H⁺ → C₆H₅N(O)H + H₂O

2. Nitrosophenol txoj kev:

Txoj kev nitrosophenol yog ib txoj hauv kev tsim cov khoom los ntawm kev ua haujlwm nitrosophenol nrog benzaldehyde. Cov tshuaj tiv thaiv tuaj yeem muab faib ua ob theem:

(1) Kev npaj ntawm nitrosophenol. React aniline nrog nitric acid los tsim nitrosoaniline, uas yog hydrolyzed nyob rau hauv alkaline tej yam kev mob kom tau nitrosophenol.

(2) Cov tshuaj tiv thaiv ua rau nws. Cov tshuaj tiv thaiv ntawm nitrosophenol thiab benzaldehyde hauv ethanol hnyav tsim.

Cov tshuaj tiv thaiv tshwj xeeb ntawm kev sib txuas ntawm nws los ntawm txoj kev nitrosophenol yog:

C₆H₅TSIS MUAJ₂+ 2 NaOH → C₆H₄(OH)(NO)(Na) + NaNO₂ + H₂O

C₆H₄(OH)(NO)(Na) + C₆H₅NCO → C₆H₅N(O)C₆H₄OH + NaOH

3. - naphthol txoj kev:

Txoj kev -naphthol yog ib txoj hauv kev tsim nws los ntawm kev ua haujlwm -naphthol nrog phenylhydrazine nyob rau hauv alkaline tej yam kev mob. Cov tshuaj tiv thaiv tuaj yeem muab faib ua ob theem:

(1) Kev npaj ntawm -naphthol. Oxidation ntawm -naphthylamine nyob rau hauv catalysis ntawm tooj liab hydroxide tsim -naphthol.

(2) Cov tshuaj tiv thaiv ua rau nws. Cov tshuaj tiv thaiv ntawm -naphthol thiab phenylhydrazine nyob rau hauv alkaline tej yam kev mob tsim.

Cov tshuaj tiv thaiv tshwj xeeb ntawm kev sib txuas ntawm nws los ntawm -naphthol txoj kev yog:

C₁₀H₇NH₂+ CuO → C₁₀H₇OH + Cu(NH₂)₂

C₁₀H₇OH + C₆H₅NHNH₂ → C₆H₅N(O)C₁₀H₇OH + NH₃

Hauv cov ntsiab lus, cov txheej txheem synthesis ntawm nws feem ntau suav nrog Cannizzaro cov tshuaj tiv thaiv, txoj kev nitrosophenol thiab -naphthol txoj kev. Siab purityCupferrontuaj yeem tau txais los ntawm cov txheej txheem no rau kev siv ntau yam tshuaj siv tshuaj thiab cov txheej txheem ntau lawm.

Spectral zog:

Ultraviolet absorption ncov ntawm Nws yog nyob nruab nrab ntawm 250-300 nm, thiab cov infrared spectrum qhia cov yam ntxwv ncov xws li TSIS stretching vibration, CH stretching vibration, CO stretching vibration thiab benzene nplhaib stretching kev co.

1. Absorption spectrum yam ntxwv ntawm cov khoom:

Nws muaj ntau yam khoom siv hluav taws xob (xws li benzene rings, urea functional pawg, thiab lwm yam), yog li nws cov yam ntxwv ntawm kev nqus spectrum yog qhov nyuaj. Raws li cov ntaub ntawv qhia, Nws muaj lub zog nqus band nyob rau hauv thaj tsam 250-300 nm, uas feem ntau tshwm sim los ntawm π-π * kev hloov pauv; kuj tseem muaj qhov tsis muaj zog nqus hauv thaj tsam 300-400 nm, nyob ntawm thaj tsam li 324 nm, uas tuaj yeem tshwm sim los ntawm n-π * kev hloov pauv. Tsis tas li ntawd, nyob rau hauv txawv polar solvents, lub ncov txoj hauj lwm thiab kev siv ntawm lub nqus spectrum ntawm Nws kuj hloov. Thaum ethanol siv los ua cov kuab tshuaj, qhov siab tshaj plaws nqus ntawm nws yog nyob ze 315 nm, hauv chloroform nws nyob ze 350 nm, hauv acetone nws yog li 310 nm.

2. Spectral zog ntawm Nws thiab kev hloov hlau ions tom qab tsim complexes:

Raws li ib tug multidentate ligand, Nws tuaj yeem tsim cov complexes sib txawv nrog kev hloov pauv hlau ions, thiab nws qhov nqus spectrum hloov raws li. Piv txwv li, nyob rau hauv lub xub ntiag ntawm hlau ions, Nws muaj peev xwm tsim ib tug chromogenic Fe (Cup) 3 complex nrog ib tug siab tshaj plaws nqus wavelength ntawm ib ncig ntawm 530 nm. Tsis tas li ntawd, thaum nws yog siv los ua ib lub ligand los ua ib qho nyuaj nrog kev hloov pauv hlau ion, lub ncov txoj hauj lwm thiab kev siv ntawm qhov nqus spectrum ntawm cov chromogenic complex kuj yuav hloov vim cov hlau ion muaj kev cuam tshuam rau cov qauv hluav taws xob ntawm nws.

3. Kev siv nws hauv spectrophotometric:

Txij li thaum nws muaj zog nqus spectrum tom qab tsim ib qho nyuaj nrog qee qhov kev hloov pauv hlau ions, cov ntsiab lus ntawm kev hloov pauv hlau ions tuaj yeem txiav txim siab los ntawm spectrophotometric. Kev siv cov hlau ion ua piv txwv, los ntawm kev ua raws li cov qauv uas yuav tsum tau kuaj nrog ntau dhau Nws, xim Fe (Cup) 3 complex tuaj yeem tsim, thiab tom qab ntawd tus nqi nqus tau ntsuas nrog lub spectrophotometer, thiab nws cov concentration yog xam raws li Beer txoj cai. . Ntxiv nrog rau cov hlau ions, Nws kuj tseem siv tau los ua ib lub ligand hauv kev tshawb nrhiav spectrophotometric ntawm cov hlau ions xws li manganese, cobalt, npib tsib xee, tooj liab, thiab indium.

Hauv kev xaus, cov khoom spectral ntawm Nws yog ze ze rau cov khoom spectral ntawm nws cov complexes nrog kev hloov pauv hlau ions, thiab tau siv dav hauv chemistry, kev tshawb fawb tshuaj, kev saib xyuas ib puag ncig thiab lwm yam haujlwm.

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