2-Bromo-3-nitropyridine CAS 19755-53-4

2-Bromo-3-nitropyridineyog ib qho organic compound teej tug mus rau chav kawm ntawm nitroaromatic heterocycles. Nws yog xim tsis muaj xim rau daj ntseg daj nrog ib qho txawv aroma, feem ntau yog siv los ua ib qho nruab nrab hauv kev sib txuas ntawm ntau cov molecules vim nws cov pab pawg ua haujlwm tshwj xeeb: bromine atom txuas ntawm 2-txoj hauj lwm thiab ib pawg nitro ntawm 3-txoj hauj lwm ntawm lub nplhaib pyridine.

Cov molecule no nthuav tawm ntau yam tshuaj lom neeg tseem ceeb uas tshwm sim los ntawm nws cov yam ntxwv. Cov pab pawg nitro imparts polarity thiab txhim kho cov reactivity ntawm cov compound, tshwj xeeb tshaj yog rau nucleophilic hloov cov tshuaj tiv thaiv ntawm bromine site. Lub nplhaib pyridine, ntawm qhov tod tes, muab kev ruaj ntseg thiab ua rau lub koom haum koom nrog ntau yam kev hloov pauv hauv cov organic, suav nrog kev hloov hluav taws xob hluav taws xob, hlau -catalyzed cross-couplings, thiab heterocyclic nplhaib hloov kho.

Nyob rau hauv hluavtaws chemistry, nws ua hauj lwm raws li ib tug ntau yam tsev thaiv rau kev npaj ntawm bioactive molecules, kws, agrochemicals, thiab cov ntaub ntawv siv sciences. Piv txwv li, nws tuaj yeem hloov mus rau hauv amines, alcohols, esters, lossis lwm yam heterocyclic derivatives los ntawm kev hloov pauv, txhua tus haum rau cov khoom kawg uas xav tau.

Intermediate hauv Tshuaj Synthesis

 

• Ua hauj lwm raws li ib tug tseem ceeb intermediate nyob rau hauv lub synthesis ntawm ntau yam tshuaj tebchaw. Lub nplhaib pyridine thiab cov pab pawg nitro tuaj yeem dhau los ua ntau yam tshuaj hloov pauv, tso cai rau kev qhia txog kev ua haujlwm sib txawv uas yog qhov tseem ceeb rau kev ua haujlwm lom neeg.
• Piv txwv li, cov pab pawg nitro tuaj yeem raug txo mus rau ib pawg amino, uas yog ib pab pawg ua haujlwm uas pom muaj nyob hauv ntau cov tshuaj lom neeg lom neeg, nrog rau cov tshuaj tsom rau cov receptors tshwj xeeb lossis cov enzymes.
• Lub atom bromine kuj tuaj yeem hloov pauv tau yooj yim nrog lwm cov nucleophiles, xws li alkylamines lossis oxygen anions, kom tau txais cov khoom lag luam derivatized ntxiv nrog cov nqi kho mob.

Diversity of Drug Candidates

 

• Lub versatility ntawm2-Bromo-3-nitropyridinetso cai rau cov synthesis ntawm ntau yam tshuaj sib tw nrog ntau yam pharmacological profiles. Cov tebchaw no tuaj yeem pom muaj cov kab mob tua kab mob, tshuaj tua kab mob, tshuaj tua kab mob, lossis txawm tias muaj kev ua haujlwm tiv thaiv kab mob, nyob ntawm cov pab pawg ua haujlwm tshwj xeeb tau qhia thaum lub sijhawm sib xyaw.

Precursor rau cov khoom xyaw nquag

 

• Txawm hais tias nws tus kheej tsis yog siv ncaj qha los ua tshuaj tua kab mob, nws tuaj yeem ua tus thawj coj rau kev sib txuas ntawm cov khoom xyaw nquag hauv cov tshuaj tua kab mob.
• Los ntawm kev hloov tshuaj lom neeg, cov pab pawg nitro thiab bromine tuaj yeem hloov kho kom muaj txiaj ntsig zoo nrog cov khoom siv biocidal, ua rau lawv tsim nyog rau kev siv tshuaj tua kab mob thiab tshuaj tua kab mob.

Customized Disinfectants

 

• Muaj peev xwm txiav cov qauv tshuaj ntawm2-Bromo-3-nitropyridine- cov khoom sib txuas tau tso cai rau kev txhim kho cov tshuaj tua kab mob raws li kev xav tau tshwj xeeb thiab kev siv. Piv txwv li, cov tebchaw uas muaj kev ruaj ntseg, solubility, los yog txo cov toxicity tuaj yeem tsim los siv rau hauv cov chaw kho mob, chaw ua zaub mov, lossis cov khoom siv tu tsev.

Derivatization yog cov txheej txheem tshuaj lom neeg uas cuam tshuam txog kev hloov pauv ntawm qhov sib xyaw ua ke los tsim cov khoom siv, ib yam khoom uas nthuav tawm hloov pauv lossis txhim kho lub cev, tshuaj, lossis cov khoom siv roj ntsha piv rau cov khoom qub. Cov txheej txheem no tau dhau los ua ib qho cuab yeej tseem ceeb hauv ntau yam kev qhuab qhia, tshwj xeeb hauv kev tshuaj ntsuam chemistry, biochemistry, thiab kev tshawb fawb tshuaj.

 

Nyob rau hauv analytical chemistry, derivatization yog nquag ua hauj lwm los txhim kho lub detectability thiab quantification ntawm analytes. Los ntawm kev hloov kho cov tshuaj analyte cov qauv, nws lub cev muaj zog xws li volatility, polarity, lossis absorbance tuaj yeem hloov pauv, yog li txhim kho nws cov kev sib raug zoo nrog cov cuab yeej tshuaj ntsuam xyuas thiab cov tswv yim. Piv txwv li, nyob rau hauv cov pa roj chromatography, qhov volatility ntawm non-volatile lossis semi-volatile compounds tuaj yeem nce ntxiv los ntawm derivatization, ua rau lawv muaj txiaj ntsig zoo sib cais thiab tshawb pom. Ib yam li ntawd, hauv spectroscopy, kev taw qhia ntawm chromophores tuaj yeem txhim kho qhov sib xyaw ua ke, ua kom yooj yim rau nws qhov kev soj ntsuam ntau.

 

Hauv kev tshawb fawb txog biochemistry thiab kws tshuaj, derivatization yog ib txoj hauv kev zoo los txhim kho cov neeg sib tw tshuaj thiab bioactive molecules. Los ntawm kev hloov cov qauv ntawm cov molecule, cov kws tshawb fawb tuaj yeem txhim kho nws cov tshuaj pharmacokinetic, xws li solubility, stability, thiab bioavailability, uas yog ib qho tseem ceeb cuam tshuam rau kev siv tshuaj thiab kev nyab xeeb. Tsis tas li ntawd, derivatization tuaj yeem siv los txo cov tshuaj toxicity, nce kev xaiv rau cov hom phiaj lom neeg tshwj xeeb, lossis txawm hais txog cov dej num tshiab lom neeg. Cov txheej txheem no yog rov ua dua thiab feem ntau xav tau kev tshuaj ntsuam xyuas thiab kev ua kom zoo kom ua tiav cov txiaj ntsig xav tau.

 

Environmental science yog lwm qhov chaw uas derivatization plays lub luag haujlwm tseem ceeb. Hauv kev saib xyuas ib puag ncig, cov kab mob ntawm cov pa phem thiab cov pa phem yuav tsum raug kuaj xyuas thiab ntsuas kom raug. Derivatization tuaj yeem txhim kho qhov kev tshawb pom ntawm cov tebchaw no los ntawm kev hloov kho lawv cov spectroscopic lossis chromatographic zog, ua rau lawv muaj peev xwm ua tau zoo rau txoj kev tshuaj xyuas. Qhov no yog qhov tseem ceeb rau kev ntsuas qhov muaj nyob, kev faib tawm, thiab muaj peev xwm cuam tshuam ntawm cov khoom tsis zoo hauv ib puag ncig.

Hauv cov ntsiab lus, derivatization yog ntau yam thiab cov txheej txheem tseem ceeb uas ua rau cov kws tshawb fawb los tswj cov khoom sib txuas rau ntau yam kev tshuaj xyuas, biochemical, thiab tshuaj lub hom phiaj. Los ntawm kev hloov kho cov qauv molecular, cov kws tshawb fawb tuaj yeem kov yeej cov teeb meem kev soj ntsuam, txhim kho cov neeg sib tw tshuaj, thiab nkag siab zoo dua cov kev sib cuam tshuam ntawm cov molecules thiab lawv ib puag ncig.

Kev txo qis ntawm nitro pawg (NO₂) yog ib qho tshuaj hloov pauv uas cov nitro functionality, feem ntau pom muaj nyob rau hauv cov organic tebchaw xws li nitroalkanes, nitroarenes, thiab nitro esters, hloov mus rau lwm pab pawg. Cov txheej txheem no yog qhov tseem ceeb hauv cov organic synthesis, tshuaj chemistry, thiab cov ntawv thov kev lag luam vim nws muaj peev xwm hloov pauv lub cev, tshuaj, thiab cov khoom siv roj ntsha ntawm niam txiv molecule.

Cov pab pawg nitro, ua tau zoo electronegative thiab polar, feem ntau raug txo mus rau amino (-NH₂), hydroxyl (-OH), los yog ntau lwm pab pawg nyob ntawm cov tshuaj tiv thaiv thiab reagents ua hauj lwm. Piv txwv li, txo cov nitroarenes nyob rau hauv catalytic hydrogenation tej yam kev mob feem ntau yields cov anilines coj, whereas nyob rau hauv lub xub ntiag ntawm tshwj xeeb txo cov neeg ua hauj xws li tin chloride thiab hydrochloric acid, txo yuav ua rau tsim phenols.

Kev xaiv ntawm txoj kev txo qis yog qhov tseem ceeb vim nws tuaj yeem cuam tshuam rau cov txiaj ntsig, purity, thiab stereoselectivity ntawm cov khoom. Cov txheej txheem sib txawv los ntawm kev txo cov tshuaj lom neeg yooj yim siv cov hlau xws li hlau thiab tin hauv cov kua qaub rau cov txheej txheem ntau dua uas cuam tshuam nrog catalytic hydrogenation, electrochemical txo, lossis cov txheej txheem photochemical.

Hauv cov tshuaj chemistry, kev txo qis ntawm nitro pawg feem ntau yog siv los qhia txog kev ua haujlwm ntawm amine, uas tuaj yeem ua tus ua ntej rau kev ua haujlwm ntxiv lossis hloov kho cov kev ua haujlwm lom neeg ntawm cov neeg siv tshuaj. Tsis tas li ntawd, kev txo qis ntawm nitro tebchaw kuj tseem cuam tshuam rau kev degradation ntawm ib puag ncig cov pa phem thiab kev sib txuas ntawm cov xim, xim, thiab lwm yam tshuaj.

Hauv cov ntsiab lus, kev txo qis ntawm nitro pawg yog ib qho kev hloov pauv hauv cov organic chemistry uas ua rau muaj kev sib txuas ntawm ntau cov tebchaw nrog ntau hom kev siv hauv kev lag luam tshuaj, agrochemical, thiab cov khoom siv science.

2-Bromo-3-nitropyridine(CAS 19755-53-4, abbreviated li 2B3N) yog ib qho tseem ceeb organic hluavtaws intermediate dav siv nyob rau hauv cov tshuaj, tshuaj tua kab, dyes, pigments, thiab cov khoom siv. Nws cov qauv tshuaj tshwj xeeb (bromine atoms thiab nitro functional pawg) endows nws nrog siab reactivity, ua rau nws yog ib qho tseem ceeb lub tsev thaiv rau synthesizing complex organic molecules. Nrog rau kev sib sib zog nqus ntawm cov thoob ntiaj teb kev lag luam chemical saw thiab kev xav tau ntau ntxiv rau kev ua kom zoo dua qub, kev lag luam xav tau rau 2B3N txuas ntxiv nthuav dav, thiab nws cov kev muag khoom kuj tseem qhia txog kev sib txawv thiab kev tshwj xeeb. Cov hauv qab no yog cov peev txheej ntawm nws cov kev muag khoom:

2-Bromo-3-nitropyridine yog ib qho kev sib xyaw ua ke thiab muaj zog nrog kev siv tseem ceeb hauv cov organic synthesis thiab kev tsim tshuaj. Nws cov synthesis ntawm Sandmeyer cov tshuaj tiv thaiv los yog ncaj qha bromination muab nkag mus rau ntau yam derivatives, thaum nws reactivity enables kev tsim kho ntawm complex heterocycles thiab functional molecules. Kev txiav txim siab txog kev nyab xeeb, suav nrog kev khaws cia thiab tuav kom zoo, yog qhov tseem ceeb vim nws qhov xwm txheej txaus ntshai. Kev tshawb fawb yav tom ntej yuav tsom mus rau kev nthuav dav nws cov ntawv thov hauv ntsuab chemistry, cov txheej txheem catalytic, thiab kev tshawb nrhiav tshuaj, ua kom nws lub luag haujlwm ua haujlwm tseem ceeb hauv cov organic chemistry niaj hnub no.

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