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2-Methoxy-3-methylpyrazine CAS: 2847-30-5
2-Methoxy-3-methylpyrazine yog ib qho organic compound nrog cov mis molecular C7H9N3O, uas yog ib feem ntawm tsev neeg pyrazine ntawm cov heterocyclic compounds. Tus yam ntxwv los ntawm ib pawg methoxy (-OCH₃) thiab ib pawg methyl (-CH₃) txuas rau lub nplhaib pyrazine ntawm 2 thiab 3 qhov chaw, feem, cov tshuaj no muaj ib qho aroma tshwj xeeb feem ntau piav qhia tias yog herbaceous thiab earthy. Vim nws cov ntxhiab tsw zoo, 2-methoxy-3-methylpyrazine pom cov ntawv thov hauv kev lag luam khoom noj khoom haus thiab tshuaj tsw qab. Ntxiv mus, nws cov qauv tshuaj tshwj xeeb muab txoj hauv kev rau kev tshawb fawb txog cov haujlwm biological thiab cov ntawv thov synthetic hauv organic chemistry.
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2,3-Dimethylpyrazine CAS: 5910-89-4
2,3-Dimethylpyrazine yog ib qho organic compound nrog cov mis molecular C7H10N2, uas yog ib tug tswv cuab ntawm tsev neeg pyrazine. Cov tshuaj heterocyclic aromatic no muaj ob pawg methyl txuas rau lub nplhaib pyrazine ntawm 2 thiab 3 qhov chaw, uas ua rau nws muaj ntxhiab tsw qab, av. Vim nws muaj ntxhiab tsw qab, 2,3-dimethylpyrazine pom tias siv dav hauv kev lag luam zaub mov ua tus neeg sawv cev tsw qab, txhim kho ntau yam tais diav, khoom noj txom ncauj, thiab dej haus. Tsis tas li ntawd, nws muaj daim ntawv thov hauv kev lag luam tshuaj tsw qab thiab kev tsim cov organic, ua rau nws yog ib qho tshuaj muaj txiaj ntsig rau kev lag luam thiab kev tshawb fawb.
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2-Methylpyrazine CAS: 109-08-0
2-Methylpyrazine yog ib qho organic compound nrog cov tshuaj mis C6H8N2, uas yog ib feem ntawm tsev neeg pyrazine ntawm aromatic heterocycles. Nws muaj nws cov ntxhiab tsw qab thiab roasted aroma, cov tshuaj no feem ntau pom muaj nyob rau hauv ntau yam khoom noj thiab pab txhawb rau lawv cov saj. Nws feem ntau yog siv hauv kev lag luam khoom noj ua tus neeg sawv cev tsw qab, txhim kho qhov saj ntawm cov tais diav savory, khoom noj txom ncauj, thiab dej haus. Tsis tas li ntawd, 2-methylpyrazine muaj daim ntawv thov hauv kev lag luam tshuaj tsw qab vim nws cov ntxhiab tsw qab. Kev nkag siab txog nws cov khoom siv tshuaj lom neeg thiab cov txheej txheem synthesis tuaj yeem pab tshawb nrhiav nws cov kev siv tau thoob plaws ntau qhov chaw.
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2-Ethyl-3-methylpyrazine CAS: 15707-23-0
2-Ethyl-3-methylpyrazine yog ib qho organic compound uas yog los ntawm tsev neeg pyrazine, uas muaj cov qauv tshwj xeeb uas muaj ethyl thiab methyl pawg txuas rau lub nplhaib pyrazine ntawm 2 thiab 3 qhov chaw. Nrog rau cov mis molecular C8H11N2, cov tshuaj no muaj ib qho aroma tshwj xeeb uas piav qhia tias yog nutty, roasted, thiab me ntsis qab zib. Vim nws cov ntxhiab tsw zoo, 2-ethyl-3-methylpyrazine siv dav hauv kev lag luam zaub mov ua ib qho aroma, txhim kho qhov saj ntawm ntau yam khoom xws li khoom noj txom ncauj mus rau cov kua ntses. Tsis tas li ntawd, nws muaj daim ntawv thov hauv kev lag luam tshuaj tsw qab thiab muaj peev xwm tshawb nrhiav hauv kev tsim cov organic thiab tshuaj.
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Tetrapropylammonium hydroxide CAS: 4499-86-9
Tetrapropylammonium hydroxide (TPAOH) yog ib qho quaternary ammonium compound uas muaj cov qauv ntawm ib qho nitrogen atom uas txuas nrog plaub pawg propyl thiab ib qho hydroxide ion. Cov tshuaj no paub txog nws qhov muaj zog thiab solubility hauv cov organic solvents, uas ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv tshuaj lom neeg. TPAOH ua haujlwm ua ib qho catalyst hloov pauv theem zoo thiab feem ntau siv rau hauv kev tsim cov organic, muab kev ua haujlwm zoo dua hauv cov tshuaj tiv thaiv uas muaj cov ionic lossis polar compounds.
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TETRAPHENYLPHOSPHONIUM IODIDE CAS: 2065-67-0
Tetraphenylphosphonium iodide yog ntsev quaternary ammonium nrog cov mis tshuaj (C6H5)4P+I-. Nws muaj ib lub phosphorus atom uas sib txuas rau plaub pawg phenyl thiab ib lub iodide anion, ua rau nws muaj cov yam ntxwv tshwj xeeb. Cov tshuaj no paub txog nws qhov solubility hauv cov organic solvents thiab ua lub luag haujlwm tseem ceeb hauv cov organic synthesis thiab catalyst systems. Nws cov qauv thiab cov yam ntxwv sib txawv ua rau nws yog ib qho reagent muaj txiaj ntsig hauv ntau yam txheej txheem tshuaj, tshwj xeeb tshaj yog cov uas cuam tshuam nrog kev hloov pauv theem thiab kev tsim cov organic frameworks nyuaj.
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(Carbomethoxymethyl) triphenylphosphonium bromide CAS: 1779-58-4
(Carbomethoxymethyl) triphenylphosphonium bromide yog ib qho tshuaj organophosphorus nrog cov mis molecular C24H26BrO2P. Nws muaj ib pawg triphenylphosphonium txuas nrog ib pawg carbomethoxymethyl, muab cov khoom tshwj xeeb uas muaj txiaj ntsig zoo rau kev tsim cov organic. Cov tshuaj no ua haujlwm ua cov tshuaj reagent ntau yam, tshwj xeeb tshaj yog hauv kev tsim cov ylides, uas ua lub luag haujlwm tseem ceeb hauv ntau yam kev cuam tshuam organic, suav nrog kev tsim cov pa roj carbon-carbon. Nws cov qauv sib txawv ua rau nws cov tshuaj tiv thaiv thiab kev ruaj khov, ua rau nws yog ib qho tshuaj tseem ceeb hauv kev tshawb fawb tshuaj niaj hnub no.
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Tetrabutylphosphonium acetate CAS: 30345-49-4
Tetrabutylphosphonium acetate (TBPA) yog ntsev phosphonium nrog cov mis C12H29NO. Nws muaj tetrabutylphosphonium cation ua ke nrog acetate anion. Cov tshuaj no tau lees paub rau nws cov yam ntxwv tshwj xeeb, suav nrog kev yaj zoo heev hauv cov kuab tshuaj organic thiab nws lub peev xwm los ua tus catalyst hloov theem. TBPA tau kawm dav dav rau nws cov kev siv tau hauv kev tsim cov organic thiab cov khoom siv tshawb fawb, vim nws muaj peev xwm ua haujlwm zoo hauv kev sib txuas ion thiab kev ruaj khov nyob rau hauv ntau yam kev mob tshwm sim.
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1-Butylpyridinium bromide CAS: 874-80-6
1-Butylpyridinium bromide yog ntsev ammonium quaternary nrog cov mis molecular C12H16BrN. Nws muaj ib pawg butyl txuas rau lub nplhaib pyridine, nrog rau ib qho bromide ion. Cov tshuaj no tau lees paub rau nws cov khoom tshwj xeeb, tshwj xeeb tshaj yog nws lub peev xwm los ua haujlwm ua ib qho catalyst hloov pauv theem zoo hauv kev tsim cov organic. Nws qhov kev ruaj khov thiab solubility hauv ntau yam kuab tshuaj ua rau nws yog ib qho tshuaj reagent muaj txiaj ntsig hauv cov txheej txheem tshuaj niaj hnub no, tshwj xeeb tshaj yog hauv kev pab txhawb cov tshuaj tiv thaiv uas cuam tshuam nrog cov hom ionic.
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3-Methoxybenzyltriphenylphosphonium chloride CAS: 18880-05-2
3-Methoxybenzyltriphenylphosphonium chloride yog ib qho tshuaj organophosphorus nrog cov mis molecular C24H24ClO-P. Nws muaj ib pawg triphenylphosphonium txuas nrog 3-methoxybenzyl moiety, muab nws cov khoom tshwj xeeb uas muaj txiaj ntsig zoo rau ntau yam kev siv organic synthesis. Cov tshuaj no ua haujlwm ua ib qho reagent ntau yam, tshwj xeeb tshaj yog hauv kev tsim cov phosphonium ylides, uas yog cov khoom siv tseem ceeb hauv ntau qhov kev hloov pauv tshuaj. Nws cov qauv pab txhawb rau nws qhov kev ruaj khov thiab kev ua haujlwm, ua rau nws yog ib qho cuab yeej muaj txiaj ntsig hauv cov tshuaj lom neeg niaj hnub no.
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Methyl(triphenyl)phosphonium chloride CAS: 896-33-3
Methyl(triphenyl)phosphonium chloride yog ib qho tshuaj organophosphorus nrog cov mis molecular C19H20ClP. Nws muaj ib pawg methyl txuas nrog rau ib qho triphenylphosphonium moiety, ua rau nws yog ib qho tseem ceeb hauv kev tsim cov organic. Cov tshuaj no ua haujlwm ua tus precursor rau kev tsim cov phosphonium ylides, uas yog cov khoom siv tseem ceeb hauv ntau yam kev tshuaj lom neeg. Nws cov qauv tshwj xeeb ua rau muaj kev ruaj khov thiab kev ua haujlwm, ua rau nws yog ib qho cuab yeej muaj txiaj ntsig hauv kev tshuaj lom neeg niaj hnub no.
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Ethyltriphenylphosphonium acetate CAS: 35835-94-0
Ethyltriphenylphosphonium acetate yog ib qho tshuaj organophosphorus nrog cov mis molecular C22H25O2P. Nws muaj ib pawg ethyl txuas nrog ib pawg triphenylphosphonium, ua ke nrog ib pawg acetate, uas muab cov khoom tshwj xeeb zoo rau kev tsim cov organic. Cov tshuaj no ua haujlwm ua ib qho reagent ntau yam, tshwj xeeb tshaj yog hauv kev tsim cov phosphonium ylides, thiab paub txog nws qhov kev ruaj khov thiab kev ua haujlwm, ua rau nws yog ib qho cuab yeej muaj txiaj ntsig hauv kev tshuaj lom neeg niaj hnub no.
