S-Allyl-L-cysteine (link:https://www.bloomtechz.com/synthetic-chemical/additive/s-allyl-l-cysteine-cas-49621-03-6.html) yog ib qho organic compound ib txwm muaj nyob hauv qej. Nws muaj ntau yam kev ua ub no lom neeg thiab cov khoom siv tshuaj, yog li nws tau nyiam ntau yam hauv cov tshuaj thiab zaub mov. S-allyl-L-cysteine yog npaj los ntawm reacting L-cysteine nrog ib tug allylation reagent. Cov tshuaj no tau hloov dua siab tshiab hauv lub cev mus rau neuroprotective lipoic acid (S-allylcysteine sulfoxide, tseem hu ua SAC) los ntawm kev zom zaub mov thiab metabolism. Lipoic acid yog ib qho chaw ruaj khov uas pom muaj ntau dua hauv qej. S-allyl-L-cysteine muaj ntau yam kev ua haujlwm lom neeg, suav nrog tshuaj tua kab mob, tiv thaiv kab mob, tshuaj tua kab mob, tshuaj tiv thaiv kab mob thiab cov teebmeem hypolipidemic. Nws kuj tseem ntseeg tau tias muaj txiaj ntsig los tiv thaiv kab mob plawv, tswj kev tiv thaiv kab mob, thiab txhim kho lub paj hlwb kev ua haujlwm, thiab lwm yam txiaj ntsig.
Vim nws txoj haujlwm lom neeg thiab cov txiaj ntsig kev noj qab haus huv, S-allyl-L-cysteine tau siv dav hauv cov haujlwm xws li kev tshawb fawb kho mob, kev tsim tshuaj thiab kev tsim cov khoom noj qab haus huv. Nws kuj yog ib qho tseem ceeb ntawm qej, yog li nws yog dav siv nyob rau hauv cov zaub mov seasoning thiab kev kho mob cov khoom lag luam. Tib neeg kuj tau tshawb nrhiav thiab kawm txog nws txoj kev sib txuas, thiab muaj ntau txoj hauv kev, qee qhov tau teev tseg hauv qab no.
1. Allylation tshuaj tiv thaiv txoj kev:
Allylation cov tshuaj tiv thaiv yog ib txoj hauv kev siv los ua ke S-allyl-L-cysteine, uas feem ntau suav nrog cov kauj ruam hauv qab no:
Cov kauj ruam tshuaj tiv thaiv:
Kauj Ruam 1: Dissolve L-cysteine hauv cov kuab tshuaj uas tsim nyog (xws li dej lossis cov kuab tshuaj organic) los tsim cov tshuaj tiv thaiv sib xyaw. Nyob ntawm qhov xwm txheej, qee cov tshuaj alkaline tuaj yeem raug ntxiv los kho cov pH ntawm cov tshuaj tiv thaiv.
Kauj ruam 2: Ntxiv allylating reagent (allyl bromide los yog allyl cawv) rau cov tshuaj tiv thaiv sib tov, thiab do cov tshuaj tiv thaiv kom huv si.
Kauj Ruam 3: Tswj cov tshuaj tiv thaiv kub thiab lub sijhawm raws li qhov kev sim. Cov tshuaj tiv thaiv ib txwm kub ntawm chav tsev kub mus rau lub boiling point ntawm cov tshuaj tiv thaiv.
Kauj Ruam 4: Saib xyuas qhov kev nce qib ntawm cov tshuaj tiv thaiv. Siv cov kev ntsuas tsim nyog (piv txwv li, chromatography, huab hwm coj spectrometry, thiab lwm yam) kom ua raws li cov khoom tsim thiab txiav txim siab kev ncaj ncees thiab tawm los.
Kauj Ruam 5: Tom qab cov tshuaj tiv thaiv tiav lawm, feem ntau nws yog qhov tsim nyog los ua kom tsis txhob muaj cov tshuaj tiv thaiv. Qhov no tuaj yeem ua tau los ntawm kev ntxiv cov kua qaub kom qis pH ntawm cov tshuaj tiv thaiv kab mob thiab tso cai rau nag lossis daus ntawm S-allyl-L-cysteine.
Kauj Ruam 6: Purify thiab crystallize cov tau txais precipitate kom tau cov ntshiab S-allyl-L-cysteine.
Nws yuav tsum raug sau tseg tias cov xwm txheej tshwj xeeb ntawm cov tshuaj tiv thaiv kev sib raug zoo yuav sib txawv vim muaj kev sim sib txawv thiab kev kuaj mob. Koj yuav tsum xa mus rau cov ntaub ntawv cuam tshuam lossis patents hauv kev ua haujlwm tiag tiag, thiab tso siab rau kev sim thiab cov lus qhia kev tshaj lij txhawm rau txhim kho cov txheej txheem synthesis.
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2. Allylation thiab oxidation tshuaj tiv thaiv txoj kev:
S-Allyl-L-cysteine (S-Allyl-L-cysteine) yog lub ntuj organosulfur compound nrog ntau yam kev ua ub no thiab kev noj qab haus huv. Nyob rau hauv tus txheej txheem ntawm synthesizing S-allyl-L-cysteine, allylation cov tshuaj tiv thaiv thiab oxidation cov tshuaj tiv thaiv yog ob kauj ruam tseem ceeb. Cov hauv qab no yog cov lus piav qhia ntxaws ntawm ob txoj kev tshuaj tiv thaiv no:
2.1 Allylation Reaction Method:
Cov tshuaj tiv thaiv kev sib raug zoo ntawm S-allyl-L-cysteine feem ntau tau los ntawm kev ua haujlwm L-cysteine nrog kev sib koom ua ke reagent. Ntawm no peb coj allyl bromide ua piv txwv los piav qhia:
Cov kauj ruam tshuaj tiv thaiv:
Kauj Ruam 1: Dissolving L-cysteine hauv cov kuab tshuaj uas tsim nyog (xws li dej lossis cov kuab tshuaj organic) los tsim cov tshuaj tiv thaiv sib tov.
Kauj Ruam 2: Allyl bromide ntxiv rau cov tshuaj tiv thaiv sib xyaw kom hnov mob nrog L-cysteine. Qhov no tuaj yeem ua tiav ntawm chav tsev kub.
Kauj Ruam 3: Do cov tshuaj tiv thaiv kab mob, thiab tswj cov tshuaj tiv thaiv lub sij hawm thiab kub.
Kauj Ruam 4: Saib xyuas qhov kev nce qib ntawm cov tshuaj tiv thaiv. Tshawb xyuas cov khoom tsim siv cov txheej txheem chromatographic tsim nyog xws li nyias txheej chromatography lossis ua haujlwm siab ua kua chromatography.
Kauj Ruam 5: Tom qab cov tshuaj tiv thaiv tiav lawm, cov tshuaj tiv thaiv sib tov yog neutralized, piv txwv li, acid ntxiv kom txo qis pH tus nqi ntawm cov tshuaj tiv thaiv.
Kauj Ruam 6: Cov txiaj ntsig sib xyaw yog raug rau cov txheej txheem tshem tawm thiab ua kom huv, xws li cov kuab tshuaj rho tawm, crystallization lossis kem chromatography, kom tau txais cov ntshiab S-allyl-L-cysteine.
2.2 Oxidation tshuaj tiv thaiv txoj kev:
Cov tshuaj tiv thaiv oxidation ntawm S-allyl-L-cysteine feem ntau yog tau los ntawm reacting S-allyl-L-cysteine nrog oxidizing tus neeg sawv cev. Ib qho uas nquag siv oxidizing tus neeg sawv cev hauv cov txheej txheem no yog hydrogen peroxide.
Cov kauj ruam tshuaj tiv thaiv:
Kauj Ruam 1: S-allyl-L-cysteine yog yaj hauv cov kuab tshuaj tsim nyog los tsim cov tshuaj tiv thaiv sib xyaw.
Kauj Ruam 2: Ntxiv qhov tsim nyog ntawm hydrogen peroxide ua tus neeg sawv cev oxidizing rau cov tshuaj tiv thaiv sib tov. Feem ntau, cov tshuaj tiv thaiv tuaj yeem nqa tawm ntawm chav tsev kub.
Kauj Ruam 3: Do cov tshuaj tiv thaiv kab mob, thiab tswj cov tshuaj tiv thaiv lub sij hawm thiab kub.
Kauj Ruam 4: Saib xyuas qhov kev nce qib ntawm cov tshuaj tiv thaiv kom ua raws li kev tsim cov khoom siv uas tsim nyog analytical txoj kev xws li chromatography lossis loj spectrometry.
Kauj Ruam 5: Tom qab cov tshuaj tiv thaiv tiav lawm, cov tshuaj tiv thaiv tau kho, xws li neutralizing lossis diluting kom tshem tawm cov tshuaj tiv thaiv.
Kauj Ruam 6: Kev ua kom huv ntawm cov khoom, xws li hnyav rho tawm, crystallization lossis kem chromatography, kom tau txais cov khoom oxidized ntshiab.
3. Series tshuaj tiv thaiv txoj kev:
Cov tshuaj tiv thaiv kab mob ntawm S-allyl-L-cysteine (S-Allyl-L-cysteine) feem ntau suav nrog peb cov kauj ruam tseem ceeb: cov tshuaj tiv thaiv kev sib raug zoo, cov tshuaj tiv thaiv oxidation thiab cov tshuaj tiv thaiv transnitration. Nov yog ib qho piv txwv ntawm cov kauj ruam:
3.1. Allylation Reaction:
Cov kauj ruam no reacts L-cysteine (L-cysteine) nrog ib tug allylation reagent los ua S-allyl-L-cysteine.
3.2. Cov tshuaj tiv thaiv oxidation:
Hauv cov kauj ruam no, S-allyl-L-cysteine reacted nrog oxidizing tus neeg sawv cev, oxidizing nws rau S-allyl-2-aminopropanesulfonic acid.
3.3. Transnitration tshuaj tiv thaiv:
Cov kauj ruam kawg yog ua rau S-allyl-2-aminopropanesulfonic acid nrog nitrite kom tau txais cov khoom kawg.
Nov yog cov lus piav qhia ntxaws ntxiv ntawm txhua kauj ruam:
3.1. Allylation Reaction:
a. Npaj L-cysteine thiab ib qho kev sib koom tes reagent xws li allyl bromide.
b. Dissolve L-cysteine hauv cov kuab tshuaj tsim nyog los tsim cov tshuaj tiv thaiv sib xyaw.
c. Ntxiv cov allylation reagent rau cov tshuaj tiv thaiv sib tov kom pib cov tshuaj tiv thaiv.
d. Tom qab cov tshuaj tiv thaiv, txheej txheem cov tshuaj tiv thaiv, xws li neutralizing tus nqi pH ntawm cov tshuaj tiv thaiv.
e. Ua cov kauj ruam ua kom huv xws li kev tshem tawm cov kuab tshuaj los yog kab chromatography kom tau cov ntshiab S-allyl-L-cysteine.
3.2. Cov tshuaj tiv thaiv oxidation:
a. Npaj S-allyl-L-cysteine ua cov tshuaj reactant.
b. Dissolve S-allyl-L-cysteine hauv cov kuab tshuaj tsim nyog los tsim cov tshuaj tiv thaiv sib xyaw.
c. Ntxiv tus nqi tsim nyog ntawm oxidizing tus neeg sawv cev, xws li hydrogen peroxide, rau cov tshuaj tiv thaiv sib tov.
d. Tswj cov tshuaj tiv thaiv kub thiab lub sij hawm, thiab do cov tshuaj tiv thaiv sib tov.
e. Saib xyuas qhov kev nce qib ntawm cov tshuaj tiv thaiv los txiav txim qhov tsim cov khoom siv cov txheej txheem analytical tsim nyog.
f. Tom qab cov tshuaj tiv thaiv tiav, kho cov tshuaj tiv thaiv sib tov, xws li neutralizing lossis diluting kom tshem tawm cov tshuaj tiv thaiv.
g. Purification ntawm cov khoom, xws li hnyav extraction, crystallization, los yog kem chromatography, kom tau cov khoom oxidation ntshiab.
3.3. Transnitration tshuaj tiv thaiv:
a. Npaj S-allyl-2-aminopropanesulfonic acid ua cov tshuaj reactant.
b. Dissolve S-allyl-2-aminopropanesulfonic acid hauv cov kuab tshuaj tsim nyog los tsim cov tshuaj tiv thaiv sib tov.
c. Ntxiv cov nitrite xws li sodium nitrite rau cov tshuaj tiv thaiv sib tov.
d. Tswj cov tshuaj tiv thaiv kab mob, xws li kub thiab pH tus nqi, thiab do cov tshuaj tiv thaiv kab mob.
e. Saib xyuas qhov kev nce qib ntawm cov tshuaj tiv thaiv los txiav txim qhov tsim cov khoom siv cov txheej txheem analytical tsim nyog.
f. Tom qab cov tshuaj tiv thaiv tiav, ua cov kauj ruam tom ntej xws li neutralization lossis dilution.
g. Ua cov kauj ruam ua kom huv xws li kev tshem tawm cov kuab tshuaj, crystallization lossis kem chromatography raws li xav tau kom tau txais cov khoom ntshiab kawg.
Nws yuav tsum raug sau tseg tias cov txheej txheem synthesis saum toj no tsuas yog ob peb txoj hauv kev xwb, thiab muaj ntau lwm txoj hauv kev los ua ke S-allyl-L-cysteine . Tsis tas li ntawd, cov txheej txheem hluavtaws tshwj xeeb thiab cov xwm txheej yuav txawv nyob ntawm seb cov ntaub ntawv tshawb fawb thiab cov ntsuas ntsuas. Yog li ntawd, hauv kev ua haujlwm tiag tiag, nws yog qhov yuav tsum tau xa mus rau cov ntaub ntawv tseem ceeb thiab cov kev xav txog kev ua haujlwm kom ntseeg tau qhov tseeb thiab ua tau ntawm txoj kev sib txuas.