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D-(+)-Glucono-1,5-lactone CAS: 90-80-2
D-(+)-Glucono-1,5-lactone yog ib qho ester cyclic uas tshwm sim los ntawm D-gluconic acid. Nws yog ib qho tseem ceeb biochemical compound nrog kev siv hauv cov khoom noj, tshuaj, thiab tshuaj pleev ib ce. Cov lactone no paub txog nws cov khoom acidic me me thiab ua haujlwm ua tus precursor rau ntau yam derivatives uas siv rau hauv cov txheej txheem fermentation thiab ua cov khoom noj khoom haus ntxiv. D-(+)-Glucono-1,5-lactone kuj muaj cov khoom antioxidant, ua rau nws muaj txiaj ntsig zoo rau kev siv kev noj qab haus huv. Nws qhov kev hloov pauv hauv kev lag luam thiab kev tshawb fawb qhia txog nws qhov tseem ceeb hauv cov teb ntawm organic chemistry thiab biochemistry.
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Aniracetam CAS: 72432-10-1
Aniracetam yog ib qho tshuaj nootropic uas yog ib feem ntawm tsev neeg racetam, uas paub txog nws cov khoom ua rau lub hlwb ua haujlwm zoo dua. Nws tau muab faib ua 1-(4-methoxybenzoyl)-2-pyrrolidinone, thiab tau tsim tawm xyoo 1970 thiab tau lees paub tias muaj peev xwm txhim kho kev nco, kev kawm, thiab kev ua haujlwm ntawm lub hlwb tag nrho. Aniracetam hloov kho cov haujlwm neurotransmitter, tshwj xeeb tshaj yog los ntawm kev cuam tshuam rau acetylcholine thiab glutamate receptors, uas yog qhov tseem ceeb rau kev hloov pauv synaptic. Thaum xub thawj tau kawm txog kev poob qis ntawm lub hlwb thiab cov mob uas cuam tshuam nrog hnub nyoog, kev txaus siab rau aniracetam nthuav dav mus rau nws cov kev siv tau hauv kev txhim kho kev tsom mus rau, kev muaj tswv yim, thiab kev xav. Kev tshawb fawb txuas ntxiv mus tsom mus rau kev piav qhia txog nws cov txheej txheem ntawm kev ua haujlwm thiab cov txiaj ntsig kho mob dav dua.
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2,6-Dichloronitrobenzene CAS: 601-88-7
2,6-Dichloronitrobenzene yog ib qho tshuaj aromatic uas muaj ob lub chlorine atoms thiab ib pawg nitro txuas rau lub nplhaib benzene. Nws cov mis tshuaj yog C6H3Cl2N O2, thiab nws yog tsev neeg ntawm chlorinated nitrobenzenes. Cov tshuaj no feem ntau yog siv rau hauv kev tsim cov organic ua ib qho nruab nrab rau kev tsim ntau yam tshuaj, agrochemicals, thiab dyes. Qhov muaj ob qho tib si chlorine thiab nitro pawg ua rau nws cov electrophilic reactivity txhim kho, ua rau 2,6-dichloronitrobenzene yog ib qho khoom siv tseem ceeb hauv kev tsim cov molecules nyuaj dua. Kev tshawb fawb txuas ntxiv tshawb nrhiav nws cov ntawv thov thiab cov teeb meem ib puag ncig ntawm nws siv.
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Iodotrimethylsilane CAS: 16029-98-4
Iodotrimethylsilane (TMSI) yog ib qho tshuaj organosilicon uas muaj ntau yam nrog cov mis molecular C3H9SI, uas muaj peb pawg methyl txuas rau ib lub silicon atom, nrog rau ib qho iodine substituent. Cov tshuaj no ua haujlwm ua ib qho reagent muaj txiaj ntsig zoo hauv kev tsim cov organic, tshwj xeeb tshaj yog rau kev qhia txog kev ua haujlwm ntawm iodine rau hauv ntau yam organic substrates. Nws lub peev xwm los pab txhawb kev hloov pauv nucleophilic thiab kev hloov pauv ntawm cov cawv thiab amines ua rau nws yog ib qho cuab yeej tseem ceeb hauv kev tshawb fawb txog kev kawm thiab kev siv hauv kev lag luam. Iodotrimethylsilane cov qauv tshuaj tiv thaiv tshwj xeeb tseem raug tshawb nrhiav rau cov txheej txheem tshiab hauv kev tsim tshuaj lom neeg thiab kev tshawb fawb txog cov ntaub ntawv.
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Pyridine hydrobromide CAS: 18820-82-1
Pyridine hydrobromide yog ib qho derivative ntawm pyridine, ib tug rau-membered aromatic heterocycle uas muaj ib tug nitrogen atom. Nws yog feem ntau pom nyob rau hauv daim ntawv ntawm nws cov hydrobromide ntsev, qhov twg pyridine yog protonated los ntawm hydrobromic acid. Cov compound no, feem ntau sawv cev raws li C5H6BrN, yog siv ua reagent thiab catalyst nyob rau hauv ntau yam tshuaj tshuag, tshwj xeeb tshaj yog nyob rau hauv organic synthesis thiab tshuaj chemistry. Pyridine hydrobromide ua lub luag haujlwm tseem ceeb nyob rau hauv kev npaj ntawm pyridine derivatives thiab lwm yam nitrogen-muaj compounds, ua rau nws muaj nqis nyob rau hauv ob qho tib si industrial daim ntawv thov thiab kev tshawb fawb kev kawm.
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6-Chloro-5-(2-chloroethyl) oxindole CAS: 118289-55-7
6-Chloro-5-(2-chloroethyl)oxindole yog ib qho tshuaj sib xyaw ua ke uas yog ib feem ntawm cov tshuaj oxindole, uas paub txog lawv cov dej num ntau yam hauv lub cev. Qhov muaj cov tshuaj chlorine nyob rau ntawm qhov chaw tshwj xeeb ua rau nws cov tshuaj ua haujlwm zoo dua thiab cuam tshuam rau nws cov khoom siv tshuaj. Cov tshuaj no tau txais kev saib xyuas hauv kev siv tshuaj rau nws cov kev siv hauv kev tsim tshuaj, tshwj xeeb tshaj yog ua lub hauv paus rau kev tsim cov tshuaj kho mob uas tsom mus rau ntau yam kab mob. Nws cov yam ntxwv ntawm cov qauv tso cai rau kev hloov kho uas yuav ua rau muaj txiaj ntsig zoo lossis kev xaiv, ua rau nws yog tus neeg sib tw zoo rau kev tshawb nrhiav ntxiv hauv kev tshawb fawb txog tshuaj.
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2-Amino-5-bromopyrimidine CAS: 7752-82-1
2-Amino-5-bromopyrimidine yog ib qho halogenated pyrimidine derivative uas muaj ib pawg amino ntawm 2-txoj hauj lwm thiab ib qho bromine atom ntawm 5-txoj hauj lwm ntawm lub nplhaib pyrimidine. Cov tshuaj no, nrog rau cov mis molecular C4H4BrN3, tau txais kev saib xyuas hauv kev kho mob vim nws muaj peev xwm ua lub hauv paus rau kev tsim cov bioactive molecules. Qhov muaj ob qho tib si amino thiab bromine functional pawg ua rau nws cov reactivity zoo dua, ua rau nws tsim nyog rau ntau yam kev hloov pauv tshuaj. Kev tshawb fawb txog 2-amino-5-bromopyrimidine tsom mus rau nws cov ntawv thov hauv kev tsim tshuaj, tshwj xeeb tshaj yog hauv kev tsim cov tshuaj uas muaj cov tshuaj tua kab mob thiab tiv thaiv kab mob qog noj ntshav.
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1,3,5-Trifluorobenzene CAS: 372-38-3
1,3,5-Trifluorobenzene yog ib qho tshuaj fluorinated aromatic uas muaj peb hom fluorine substituents nyob rau ntawm 1, 3, thiab 5 qhov chaw ntawm lub nplhaib benzene. Cov tshuaj no tseem ceeb hauv cov organic chemistry vim yog cov khoom tshwj xeeb uas cov fluorine atoms muab, suav nrog kev ruaj khov ntawm cov tshuaj thiab kev hloov pauv polarity. Nws ua haujlwm ua lub hauv paus rau kev tsim cov tshuaj, agrochemicals, thiab cov ntaub ntawv siab heev. Qhov muaj fluorine kuj cuam tshuam rau kev sib cuam tshuam ntawm molecular, ua rau 1,3,5-trifluorobenzene muaj txiaj ntsig zoo hauv ntau yam kev tshawb fawb, tshwj xeeb tshaj yog hauv cov cheeb tsam uas tsom mus rau kev tshawb pom tshuaj thiab kev tshawb fawb txog cov ntaub ntawv.
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2,4-Difluorobenzylamine CAS: 72235-52-0
2,4-Difluorobenzylamine yog ib qho aromatic amine uas muaj ob lub fluorine atoms nyob rau ntawm lub nplhaib benzene ntawm 2 thiab 4 qhov chaw. Cov tshuaj no yog qhov tseem ceeb rau nws cov khoom siv tshuaj lom neeg tshwj xeeb uas tau muab los ntawm cov fluorine substituents, uas txhim kho ob qho tib si lipophilicity thiab reactivity. Raws li lub tsev thaiv ntau yam hauv kev tsim cov organic synthesis, 2,4-difluorobenzylamine ua lub luag haujlwm tseem ceeb hauv kev tsim cov tshuaj, agrochemicals, thiab cov ntaub ntawv siab heev. Nws lub peev xwm los koom nrog ntau yam tshuaj lom neeg ua rau nws muaj txiaj ntsig zoo hauv kev kho mob chemistry, qhov twg nws raug tshawb nrhiav rau cov ntawv thov kho mob.
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(S)-(+)-3-Chloro-1,2-propanediol CAS:60827-45-4
(S)-(+)-3-Chloro-1,2-propanediol yog ib qho chiral organic compound uas sib txawv los ntawm nws ob pawg hydroxyl (-OH) thiab ib qho chlorine atom. Cov tshuaj no ua haujlwm ua ib qho tseem ceeb hauv kev tsim cov organic, tshwj xeeb tshaj yog hauv kev lag luam tshuaj thiab agrochemical. Lub stereochemistry tshwj xeeb ntawm (S)-(+)-enantiomer txhim kho nws cov reactivity thiab cov khoom siv biological, ua rau nws muaj txiaj ntsig zoo rau kev tsim cov enantiomerically pure derivatives. Kev tshawb fawb txuas ntxiv tshawb nrhiav nws cov ntawv thov sib txawv, xws li kev tsim tshuaj mus rau cov ntaub ntawv ua haujlwm, qhia txog nws qhov tseem ceeb hauv kev kawm thiab kev lag luam.
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(R)-(-)-3-Chloro-1,2-propanediol CAS: 57090-45-6
(R)-(-)-3-Chloro-1,2-propanediol yog ib qho chiral organic compound uas ua haujlwm ua ib qho tseem ceeb hauv kev tsim cov tshuaj thiab agrochemicals. Nws cov qauv tshwj xeeb muaj ob pawg hydroxyl thiab ib qho chlorine atom, ua rau nws yog ib qho khoom siv rau ntau yam kev hloov pauv tshuaj. Lub stereochemistry tshwj xeeb ntawm (R)-(-)-enantiomer pab txhawb rau nws cov tshuaj tiv thaiv thiab kev ua haujlwm ntawm lub cev, uas tso cai rau kev tsim cov khoom ntshiab enantiomerically. Kev tshawb fawb txuas ntxiv tsom mus rau nws cov ntawv thov hauv kev tsim tshuaj thiab ua lub hauv paus rau lwm cov tshuaj ua haujlwm, qhia txog nws qhov tseem ceeb hauv ob qho tib si tshuaj lom neeg thiab kev tshawb fawb khoom siv.
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(S)- (+)-Oxiran-2-ylmethyl- 3-nitrobenzenesulfonate CAS: 115314-14-2
(S)-(+)-Oxiran-2-ylmethyl-3-nitrobenzenesulfonate yog ib qho chiral epoxide compound uas muaj lub nplhaib oxirane thiab ib pawg nitrobenzenesulfonate. Cov tshuaj no tau txais kev txaus siab rau kev tsim cov organic vim nws cov tshuaj tiv thaiv tshwj xeeb, feem ntau yog vim lub nplhaib epoxide peb-membered, uas yooj yim rau kev tawm tsam nucleophilic. Lub stereochemistry tshwj xeeb ntawm (S)-(+) enantiomer muab cov txiaj ntsig sib txawv hauv kev tsim cov tshuaj asymmetric, ua rau muaj kev tsim cov tshuaj enantiomerically ntshiab. Kev tshawb fawb txuas ntxiv tshawb nrhiav nws cov ntawv thov hauv kev kho mob tshuaj thiab cov ntaub ntawv tshawb fawb, qhia txog nws lub peev xwm ua ib qho nruab nrab rau kev tsim cov tshuaj thiab cov tshuaj zoo.
