(Z) -3- methylents -2-}}}}}} {4}}

(Z) -3- methylents -2-}} yn {}}} ol, tseem hu ua - Hydroxyl IsovaleralerEhyde yog ib cov organic sib xyaw muaj cov pa hydroxyl thiab cov pa roj carbon. Cov qauv molecular muaj cov pa roj carbon carbon puppoon carbon purn, cov pab pawg hydroxyl, thiab pawg methyl. Ib qho ntawm cov yam ntxwv ntawm no compound yog nws cov pa roj carbon carbon pupbon ob daim ntawv cog lus, uas koom rau hauv ntau cov tshuaj tiv thaiv. Feem ntau yog ib qho tsis muaj kob rau lub teeb daj nrog cov ntxhiab tsw tshwj xeeb. Nyob rau hauv qhov kub thiab txias thiab cov xwm txheej siab, nws yuav nthuav tawm ntawm lub xeev sib txawv. Nyob rau hauv qee qhov xwm txheej, nws yuav tsis ruaj khov thiab xav tau tshuaj lom neeg xws li oxidation lossis polymerization. Nws cov hluav taws xob tiv thaiv nyob hauv lub xeev ncaj qha tias nws yog cov khoom siv rwb rwb rwb. Tsis tas li ntawd, cov compound kuj tseem muaj cov khoom siv hluav taws xob hauv tshuab hluav taws xob, uas cuam tshuam nrog nws cov qauv molecular thiab cov hluav taws xob. Thermal ruaj khov yog cuam tshuam nrog kev sib cuam tshuam ntawm cov lwg me me thiab kev ruaj ntseg ntawm cov neeg siv tshuaj. Thaum lub sijhawm ua cua sov, cov compound yuav yauv ua tau zoo li kev txiav txim siab lossis oxidation, yog li nws yog qhov tsim nyog los tswj cov cua kub thiab kub kom tsis txhob poob.

Ib kauj ruam tshwj xeeb rau cov txheej txheem synthesis ntawm(Z) -3- methylents -2-}} yn {}}} ol.

Formaldehyde thiab acetone hws: hcho + ch₃Cooj₃Ch₃Cooj₂Xaiv

Lub cev qhuav dej los tsim butanone cawv: ch₃Cooj₂Cho → ch₃Cooj₂Ch=ch₂

Cov tshuaj tiv thaiv ntawm cov kua ammonia thiab nws yog xim hlau calcium: ca + 2 nh₃Ca (NH₂) ₂

Amino calcium acetylation: Ca (NH₂)₂ + Ch₃Cocl → CA (CH₃Tus hlau₂ +2 nh₃

(1) Formaldehyde acetone hws: sib xyaw accitreshyde thiab acetone, thiab yauv yauv hws ntawm qhov kub thiab siab kom tsim cov nruab nrab.

(2) Lub cev qhuav dej los tsim cov cawv txiv neej (hauv qhov kev txiav txim siab, cov khoom lag luam ntawm cov tshuaj tiv thaiv saum toj no yog lub cev qhuav dej kom tau txais butanone cawv.

(3) ntsev los: sib cais ntawm butanone cawv los ntawm cov tshuaj tiv thaiv los ntawm kev ntxiv cov tshuaj yeeb.

(4) Cutene Qhuav Ketone: Qhuav Butene Ketone kom tshem tawm cov dej noo thiab lwm cov tshuaj uas tsis muaj zog.

(5) Cov tshuaj tiv thaiv kua dej ammonia thiab nws yog xim hlau roj: Kua ammonia ntxiv rau cov tshuaj tiv thaiv hlau uas muaj ntxiv los tsim cov amino calcium los ntawm cov tshuaj tiv thaiv.

(6) Acetylation ntawm Amino Calcium: Cov khoom siv Amino calceino yog ntxiv acetylated kom tau txais caletylene ntxiv.

(7) Cov tshuaj tiv thaiv nrog cov roj methyl vinyl ketone: sib tov caletylene nrog methyl vinyl ketone thiab kev hnov ​​noj calcium acetylene dej ntsev.

(8) Cov ntsev uas tsim muaj caletylene cawv kom tau txais cov tshuaj tiv thaiv mob acetylene.

(9) Volatile Ammania: Volatile Ammonia hauv cov dej cawv acetylene yog kho kom ua kom nws muaj ntau yam dawb huv.

(10) Cov pa dej ntws tawm: sib cais thiab kev huv ntawm cov pa roj acetylene nrog dej cawv los ntawm cov dej ntws tawm.

(11) nruab nrab: nruab nrab acetylene cawv nrog sulfuric acid thiab hloov nws mus rau hauv cov ntsev sib haum.

(12) Hloov chaw: Ua cov tshuaj uas hloov pauv ntawm cov tshuaj ntsev saum toj no kom tau txais cov dej cawv hexacarbon.

(13) extraction: rho tawm hexacarbon cawv nrog chloroform rau kev ua kom huv ntxiv.

(14) Ntxuav nrog sodium rodium bicarbonate daws rau nruab nrab: Ntxuav cov kev rho tawm sib xyaw nrog cov sodium bicarbonate daws kom txog thaum nws dhau los ua nruab nrab.

(15) Kev ua dua cov chloroform: Cov chloroform siv hauv cov txheej txheem rho tawm.

(16) Coarse distillation: crude distillation yog nqa tawm ntawm cov txheej txheem txheej txheem rau preliminarily cais hexanol thiab lwm yam impurities.

(17) Distillation: Kev kho mob distillation yog nqa tawm ntawm cov foob pob rau cov cawv roj carbon los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhaws.

(18) Cov kuab rov qab: cov kuab tshuaj rov qab siv hauv cov txheej txheem distillation.

(19) crude roj distillation: distilling crude roj los cais cov khoom siv nrog cov nplaim taws sib txawv.

(20) Distillation los tsim Hexamethanol: distill qhov sib cais los tsim cov hexamethanol.

Los ntawm cov kauj ruam saum toj no, kev ua purity hexacarbinol thiab hexamethanol khoom tuaj yeem tau txais. Nws yuav tsum raug sau tseg tias kev ua haujlwm tshwj xeeb (xws li qhov kev ua haujlwm tshwj xeeb (siab, cov tshuaj tiv thaiv lub sijhawm, thiab lwm yam) thiab pub sib piv tau cuam tshuam cov txiaj ntsig kev sim. Nws raug nquahu kom nqa tawm cov kev sim ua haujlwm raws li kev taw qhia ntawm cov neeg ua haujlwm tshaj lij.

(Z) -3- methylents -2-}} yn {}}} ol, tseem hu ua - Hydroxy IsovaleralerEhyde yog cov organic sib xyaw nrog cov qauv molecular thiab reactivity. Vim nws cov qauv tshuaj tshwj xeeb thiab cov kev sib xyaw ua ke no tau ua lub luag haujlwm tseem ceeb yog cov cuab yeej tshawb fawb hauv kev tshawb fawb kev tshawb fawb.

1. Kev Tshawb Fawb Txog Kev Siv Tshuaj Txhuam Txhuam Txheej Txheem:
(1) Kev ntsuas nruab nrab hauv nruab nrab: - Hydroxy yog qhov tseem ceeb ntawm kev siv tshuaj, pab cov kws tshawb fawb tau nkag siab zoo dua cov khoom thiab kev coj cwj pwm ntawm cov txheej txheem ntawm cov tshuaj tiv thaiv. Los ntawm kev saib xyuas tus cwj pwm ntawm qhov sib xyaw ua ke hauv cov tshuaj tiv thaiv, hauv qhov tob inspress rau hauv cov kev tiv thaiv hluav taws xob tau muab.
(2) Respority kev tshawb fawb: Cov tshuaj no tuaj yeem tshawb xyuas cov haujlwm ntawm cov tshuaj tiv thaiv uas muaj cov tshuaj tiv thaiv uas muaj cov tshuaj tiv thaiv kab mob. Qhov no muaj cov lus qhia tseem ceeb rau kev nkag siab tias kev ua ub ua cas thiab tsim qauv zoo li cas thiab ua kom zoo dua cov tshuaj tiv thaiv.

2. Kev tshawb fawb ntawm cov qauv hluavtaws:

Tshiab kev txhim kho hluavtaws hluavtaws tshiab: tuaj yeem siv los tsim cov qauv keeb kwm tshiab hluav taws xob thiab cov tswv yim. Los ntawm kev kawm txog cov kev tawm tsam tau ua, cov kauj ruam tshiab lossis cov hom phiaj tuaj yeem nrhiav tau los npaj cov qauv hauv cov qauv thiab cov khoom ntiag tug.

3. Kev tshawb fawb ntawm catalysts thiab catalytic cov txheej txheem:
Catalyst kuaj xyuas: hauv kev tshawb fawb catalyst, nws tuaj yeem siv los ua tus qauv substrate mus tshuaj ntsuam thiab ntsuas cov kev ua si ntawm cov kev sib txawv. Los ntawm kev sib piv ntawm cov catalysts sib txawv - cov kev tshwm sim cuam tshuam ntawm hydroxyisovalalerhayde tuaj yeem tshuaj xyuas catalysts nrog cov kev ua ub no.

4. Khoom siv hluavtaws thiab kev tshawb fawb ua tau:
(1) Cov Khoom Siv Hluav Taws Xob Polymer Cov Khoom Siv: Nws tuaj yeem siv ua cov khoom siv raw lossis monomer los ua ke cov khoom siv polymer. Los ntawm reacting nrog lwm cov polymers, polymer uas muaj cov qauv tshwj xeeb thiab cov khoom tuaj yeem npaj, xws li cov hmoov polymrans, polymer mis, thiab lwm yam.
(2) Cov Khoom Siv Khoom Siv Khoom Siv thiab Kev Ua Yeeb Yam: Cov khoom no tuaj yeem siv los kawm thiab yam ntxwv thiab cov yam ntxwv ntawm cov khoom siv hluavtaws. Los ntawm kev sim nws cov kev cuam tshuam nrog lwm cov tebchaw, cov tshuaj lom neeg, cuam tshuam cov txiaj ntsig, thiab muaj peev xwm thov cov khoom siv tuaj yeem nkag siab.
5. Kev tshawb fawb ntawm kev sib txuas lus biomolecular:
Tshuaj Tsim thiab Simulation: tuaj yeem ua tus qauv sib txuas rau cov tshuaj tsim lag luam, siv los simulation thiab kawm cov kev sib cuam tshuam ntawm cov tshuaj thiab biomolecules. Los ntawm kev soj ntsuam qhov kev sib cuam tshuam ntawm cov ntsiab lus sib xyaw thiab cov hom phiaj roj ntsha, cov ntaub ntawv muaj txiaj ntsig tuaj yeem muab rau kev tsim tshuaj thiab kev ua kom zoo.

   

In the food industry, (Z) -3-methylpent-2-en-4-yn-1-ol is widely used in various fruity and spicy food spices. Nrog rau kev txhim kho txuas ntxiv ntawm cov neeg siv khoom rau cov khoom noj aroma thiab tsw, cov zaub mov tsw qab kuj tseem niaj hnub tsim kho thiab txhim kho. (Z) Cov cim tsw tshwj xeeb ntawm {{}} methylpent {}}}}}}}} {ol ua kom nws dav siv nyob rau hauv cov zaub mov tsw. Piv txwv li, ntxiv qhov tsim nyog ntawm (z) -3-}}}}} Nyob rau hauv seasonings xws li chili sauce thiab sichuan kua txob roj, nws tuaj yeem txhim kho cov khoom tsw qab ntawm cov khoom.
Hauv cov tshuaj pleev ib ce thiab cov kev lag luam txhua hnub, (z) {{}}}}} me}}}}}}}}}}}}}}}}}}}}}}}}}} me}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} me}}}}}}}}}}}}}}}} Cov khoom no muaj cov kev xav tau siab rau aroma thiab tsw, xav tau kev tshwj xeeb, ntev-ntev, thiab ruaj khov aroma yam ntxwv. (Z) qhov sib ntxiv ntawm -3- methylents {}}}}}}}}}}}}}}}}}}}} {}}}}}}}}}}}}}} For example, adding an appropriate amount of (Z) -3-Methylpent-2-en-4-yn-1-ol in perfume can make perfume have more unique fragrance characteristics; Ntxiv nws los da dej gel thiab tshuaj zawv plaub hau tuaj yeem nqa cov neeg siv khoom noj haus huv ntau dua. Ntxiv rau kev lag luam khoom noj, tshuaj pleev ib ce thiab kev lag luam txhua hnub, nws kuj tseem siv tau rau lwm cov kev lag luam uas xav tau cov txuj lom thiab essence. Piv txwv li, hauv kev ua yeeb yam kev lag luam ua yeeb yam, nws tuaj yeem siv los tsim cov luam yeeb cov ntsiab lus tshwj xeeb nrog cov yam ntxwv tshwj xeeb; Hauv cov khoom tu lub qhov ncauj, nws tuaj yeem ntxiv cov ntxhiab tsw thiab Fruity tshiab thiab cov tshuaj yaug qhov ncauj, thiab lwm yam khoom.

 

(Z) 3- methylents -2-}} yn {}}} olPuas yog ib qho tseem ceeb organic sib xyaw nrog cov ntawv thov dav hauv cov khoom siv hluav taws xob thiab cov chaw muag tshuaj. Cov hauv qab no yog cov ncauj lus kom ntxaws tshuaj xyuas ntawm nws cov kev muag khoom channel tau txais:

MUAG KHOOM Channel

Cim npe nrov: (Z) -3- methylents {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}